13 best gas furnaces

Product description

If you are looking to turn your garage or barn into a work space you can use all year-round, you will have to find a safe quiet and reliable heat source. This 50,000 BTU Natural Gas Unit heater is the way to go. It uses a built-in electric high velocity fan to pull cool air into the rear of the heater, across a heat exchanger, then forcing warm air into the surrounding areas. These heaters only require 115v AC power and can be vented vertically or horizontally - please check local codes and restrictions. With a mounting clearance of only 1 inch, the supplied brackets, external access to power, and thermostat connections - installation is a cinch. With the Durable Spark ignition and robust factory standard self-diagnostic control module, we can offer a 3 year factory warranty on all parts and burners and a 10 year warranty on any defects in the heat exchanger. This heater offers the operating versatility and safety that you have come to expect from Mr. Heater.

• 50,000 BTU per hour heats up to 1250 sq. ft.
• Powered exhaust allows for vertical or horizontal venting
• Easy outside access to thermostat and A/C terminals and gas connection
• Natural Gas to Liquid Propane conversion kit and 2 angle brackets for ceiling mount included
• Minimum 8 ft clearance from floor to base of heater required; Limited 3 year warranty on parts and burners and 10 year warranty on any defects in the heat exchanger

User questions & answers

Question:	Can this unit be installed through a cut out in the celing so it points down towards the floor while having the majority of the unit in the attic
Answer:	Highly unlikely. The louvers on the front that direct air flow have maybe 45 degrees of downward angle. This just seems like a bad idea
Question:	does it smell when running
Answer:	not after initial burn period .Very quiet compared to my last heater ,does not smell .
Question:	Can it run on a propane tank for a gas grill
Answer:	This heater can run on a gas grill propane tank. Make sure the propane conversation kit has been installed and then you'll need to use a grill hose that has the regulator on it. Then you'll have to change the fitting after the regulator.
Question:	One description says heats 700 sq ft another says 1250. Which is it
Answer:	It heats my 900 sq. ft garage nicely.

Product description

Empire Comfort Systems Part #DV215SGXLP



Furnace D-Vent Lp 15K No-Thermostat



Clean and cost-efficient comfort makes these the perfect heaters to add soothing atmospheric warmth to your smaller-size rooms. The slim, compact design of each unit allows it to tuck out of the way on any outside wall. They use no electricity and are ideal for bedrooms or studies since each unit vents directly to the outside. Housed in durable, textured cabinetry with a beige color, these wall furnaces will add endless comfort to any application.



Features:

• Dimensions: 20-1/4" x 9-3/8" x 24-7/8"



• Min Clearance: Top 12", Side 1"



• Venting: Wall Depth Min 4-1/2", Wall Depth Max 13", Vent Opening in Wall 6-1/4" Dia.



• LP Gas Inlet 1/2" NPT



• Pilot & Main Burners w/Automatic Shut-Off



• 10 year Limited Warranty



• Millivolt Wall Thermostat with Positive Off (DV2155SG model)

Package Quantity = 1

• New

User questions & answers

Question:	How many BTU is this unit
Answer:	Yes, package of this car wash foam gun comes with everything shown the picture.
Question:	It’s says no thermostat, but then it say it comes with a thermostat in the features... so does it come with one
Answer:	I put in half a bottle and one quarter water and it worked great.
Question:	How to light the pilot
Answer:	Garden hose only. This car foam gun is designed to be applied at a low pressure for soaking and loosening dirt rather than a high pressure spray system.
Question:	Does this include the venting components
Answer:	This foam blaster can work with any car wash soap.

Product description

Replacement gas valve with BtuH Capacity: 230,000; Inlet Conn.: 1/2"; Opening Style: Fast; Outlet Conn.: 3/4"; Side Tap: No; Volts: 24;

• Standing Pilot
• Natural Or Lp Gas, 24Vac
• Lp Conversion Kit Included
• Brand Name: White Rodgers

User questions & answers

Question:	Will this work for the 36C03 333 I only need the nob but want to keep it for later repair
Answer:	It wasn’t designed for it. But I’ll be honest I haven’t tried. It works so easily and well with normal hose, that I never bothered to try.
Question:	Thermocoupler - does the 36C03-300 require the use of a Thermocoupler for maintaining the Pilot
Answer:	Used on my TT works great! Only foam up a section at a time and form your sponge too. Forget the bucket.
Question:	Is white rodgers 25m01a-128 convertible ( nat gas to lp) for gas dryer
Answer:	In the US
Question:	What thermocouple should be used for standing pilot? i tried honeywell cq100a39. pilot will not stay lit even when thermocouple is red hot
Answer:	Thank you for reaching out to us regarding your car wash foam sprayer. Yes, you can set the foam dial to off which only allows water to flow.

Product description

The Monterey 35,000 BTU Natural Gas Top-Vent Wall Furnace installs conveniently between studs in the wall to provide a room with heat without the need for electricity. This wall furnace comes with a thermostat for temperature regulation. It can be converted to run on liquid propane with an optional conversion kit (not included).

• Matchless pilot igniter for safe use
• Thermostat may be mounted on the wall or on the furnace cabinet
• Rated for elevations up to 2,000 ft.
• Durable ceramic-coated combustion chamber for increased efficiency
• Requires no electricity for operation

User questions & answers

Question:	Can this be installed in a double-sided fashion? That is, output heat both sides of the wall
Answer:	When you remove the black LOW pressure tip the soap stops picking up. So all the other tips are rinse tips. I am looking for an add on soap dispenser now so that I can use a longer range (higher pressure) tip to apply the soap too. For say the peak of a house.

• 🔨Ask for more FUN? It is time for HOME SMELTING! The GONGYI Propane melting furnace kit is very EASY to use with USA local gas tank.
• 🔨Heating fast, melt aluminum in about 10 mins.
• 🔨This Propane Smelting Furnace works efficiently with melting Glass, Copper, Aluminum, Gold, Silver and other Scrap Metal Recycle. Suitable for DIY, jewelry processing factories, industrial and workshop applications.
• 🔨Professional design for USA standard Propane Tank, includes gas hose and regulator which can hook up to American standard Propane Tank directly.
• 🔨WHAT YOU GET: Furnace, burner, gas hose with regulator, 6KG crucible, fire pad, tongs, PTFE tape, manual, worry-free 12-month warranty, technical support 24 hrs.

User questions & answers

Question:	Can you melt glass for glass blowing
Answer:	It sprays out a form. If you adjust it to a pin point it can reach probably 20 feet. So yes it is under pressure but not as much as using a 45 degree tip. This is on a 2200 PSI pressure washer.
Question:	Is it normal for the outside case to heat up until it glows
Answer:	Yes, that is the tip that I use for my driveway and sidewalk on a bi-annual basis.
Question:	How big of a propane tank do i need
Answer:	It’s difficult to drain any excess soap. That’s probably why they made the reservoir so small. You blow through soap VERY quickly. They also recommend cycling water through the reservoir once the soap empties as you’re not supposed to store the washer with soap in the tank.
Question:	Is this suitable for melting mild steel
Answer:	No. Per the manual you must have a wafer supply that delivers 3.8 gpm @ 30 psi. It specifically states not to siphon standing (non pressurized) water.

Product features

Designed by Professional Metal Smelter

One For All

Whether you are an at-home hobbyist, a basic or experienced jeweler, you will LOVE it.

NEW FUN FOR THE WEEKEND

DIY some jewelry special for the person you love with Scrap Metal, you will have Fun, and Love.

Durable + Powerful + Large Compacity

Heavy duty stainless steel 304 constructions

Built-in high quality ceramic wool heat insulation Thickness up to 2"

Product description

This furnace is covered by what we believe to be one of the best warranties in the indoor home comfort industry. In addition to covering the heat exchanger with a Lifetime Limited Warranty to the original, registered homeowner, if the heat exchanger fails during the first 10 years of ownership, we will replace the entire unit for as long as you own your home. This furnace also has a 10-Year Limited Parts Warranty on all functional parts. This gas furnace has an AFUE rating of up to 96%, which means that up to 96 cents of every $1.00 of heating energy expense warms your home.^^Standard Features Heavy-duty aluminized-steel tubular heat exchanger Stainless-steel secondary heat exchanger Single-stage gas valve Durable Silicon Nitride igniter Quiet single-speed induced draft blower Self-diagnostic control board with constant memory fault code history output to a LED Color-coded low-voltage terminals with provisions for electronic air cleaner and humidifier All models comply with California Low NOx emissions standards^^Cabinet Features Designed for multi-position installation Certified for direct vent (2-pipe) or non-direct vent (1-pipe)Easy-to-install top venting with optional side venting Convenient left or right connection for gas and electrical service Heavy-gauge steel cabinet with durable finish Fully insulated heat exchanger and blower section Airtight solid bottom or side return with easy-cut tabs for effortless removal in bottom air-inlet applications.

• Goodman Single Speed 1-Stage Upflow/Horizontal Gas Furnace, Low Nox, 96% Afue, 60,000 Btu/H, 1,200 Cfm, 175 In Width
• This furnace is covered by what we believe to be one of the best warranties in the indoor home comfort industry
• This is manufactured in United States

User questions & answers

Question:	What size of pvc pipe is required for the vent and air intake? (for model #gmss960603bn
Answer:	yes
Question:	What is the maximum ESP for this unit
Answer:	I’m see no reason that it wouldn’t fit your power washer, it’s a standard size and style attachment. And in the “very slim” chance it didn’t, Amazon is the best at helping its customers with any issues they may encounter.
Question:	Can you adjust fan speed
Answer:	If you need water only, you can remove the foam cannon and replace it with water nozzle. Thank you very much.
Question:	If i import this to canada and have it installed by a licensed hvac professional will the warranty be covered
Answer:	It's adjustable but depends on the psi of your pressure washer. I have mine hooked up to 1600 psi and it still gets 20-30 feet of distance when shot vertically. I have enough reach to hit second story no problem.

Product description

Gas Valve has got suburban replacement parts.

• Rig Rite 12/24 Volt Marine Circuit Breaker w/ Auto Reset - 40 Amp

User questions & answers

Question:	Will it fit suburban sf-42 furnace
Answer:	That thermocouple should be fine as most any thermocouple will work . Make sure it is snug in the gas valve and not over tight. Is the jumper wire hooked up on the two ECO termnals on the gas valve. If not the pilot will not stay lit. If the jumper wire is hooked up and the thermocouple is cherry red I would say you have a bad gas valve.Thanks Brad
Question:	Does this fit 1972 suburban Nt22 furnace
Answer:	15000
Question:	Will this work with a sf-30fq furnace
Answer:	It does not come with a therm. You need to buy a low voltage therm. as in directions. I bought a Honeywell with a range from 35 up up around 80. Works great and is accurate. Mounted fan above heater on a shelf with a in-line thermostate. I paired them so fan comeson after heater warms up.
Question:	will this fit an SF-35F furnace
Answer:	Be sure gas in on. Turn the gas control knob to pilot, push know in and hold, push the igniter until pilot lites and hold knob down for about 1 min., when you release the knob, the pilot lite should stay on. Now turn the knob to the on position and the burner will lite.

Product description

If you are looking to turn your garage or barn into a work space you can use all year-round, you will have to find a safe quiet and reliable heat source. This 80,000 BTU Natural Gas Unit heater is the way to go. It uses a built-in electric high velocity fan to pull cool air into the rear of the heater, across a heat exchanger, then forcing warm air into the surrounding areas. These heaters only require 115v AC power and can be vented vertically or horizontally - please check local codes and restrictions. With a mounting clearance of only 1 inch, the supplied brackets, external access to power, and thermostat connections - installation is a cinch. With the Durable Spark ignition and robust factory standard self diagnostic control module, we can offer a 3 year factory warranty on all parts and burners and a 10 year warranty on any defects in the heat exchanger. This heater offers the operating versatility and safety that you have come to expect from Mr. Heater.

• Your purchase includes One Mr. Heater Big Maxx Natural Gas Heater with 2 angle brackets & Liquid Propane conversion kit | Thermostat, hose & regulator not included
• Heater dimensions – 29.33” L x 15.50” W x 26.37” H | Coverage area – 2000 Sq. Ft. | Performance – 80,000 BTU | Amps – 2.3 | Voltage – 120 V | Min 8 ft. clearance from floor to base of unit
• For use with natural gas | Category 1 vertical, category 3 horizontal venting
• Powered exhaust allows for vertical or horizontal venting | Spark ignition features self-diagnostic control module
• This heater offers the operating versatility and safety that you have come to expect from Mr. Heater | Limited 3 year warranty on parts and burners

User questions & answers

Question:	the Mr heater come with the vent kit
Answer:	Nope cheaper at lowes. Comes with thermostat for $480
Question:	Does it require a high or low voltage thermostat
Answer:	This uses a low voltage thermostat.
Question:	Only $489.00 at Lowes, why more expensive here
Answer:	$469 at Lowes :)
Question:	Will this be enough for an insulated 30x30 shop with a 14 ft Ceiling
Answer:	We just had our heater installed in our 12 x 20 garage and the ceiling height is probably 7 ft. We have it set at 55. I am sure this would more than heat your area. My installer told me that I could of used a smaller unit. Hope this helps you. We love ours.

Product features

Mr. Heater F260560 Big Maxx MHU80NG Natural Gas Unit Heater

Description:

If you are looking to turn your garage or barn into a work space you can use all year-round, you will have to find a safe quiet and reliable heat source.This 80,000 BTU Natural Gas Unit heater is the way to go. It uses a built-in electric high velocity fan to pull cool air into the rear of the heater, across a heat exchanger, then forcing warm air into the surrounding areas.These heaters only require 115v AC power and can be vented vertically or horizontally - please check local codes and restrictions. With a mounting clearance of only 1 inch, the supplied brackets, external access to power, and thermostat connections - installation is a cinch.

• Category 1 vertical, category 3 horizontal venting
• Natural Gas to Liquid Propane conversion kit included
• Thermostat sold separately

Product description

These valves offers wide-capacity control for almost any IP, HSI or DSI gas-fired appliances. This is for single stage applications.

• Includes two 3/4 x 1/2 inch reducer bushings; Natural to LP Conversion Kit
• Pressure regulator setpoint is 3.5 inch water column
• Direct ignition or intermittent pilot

User questions & answers

Question:	Is this a direct replacement for - vr8304m
Answer:	No vent one side
Question:	Will this work for vr844m
Answer:	HI, I would stick with the White Rogers 36C.3-333. It too is available for sale on Amazon. Check out the link; https://www.amazon.com/dp/B000PY7O5K?ref=myi_title_dp If you are using the unit later for repair, you will want the side taps which the 36C03-300 does not have. Thanks!
Question:	Will this replace honeywell vr8305m4165 in my pentair minimax pool heater? is the spacing from inlet to outlet the same so no new fittings
Answer:	Yes. The gas valve is a standing pilot model..using a thermocouple
Question:	Is this a drop in replacement for VR8440M
Answer:	Unless you have some strange control valves on your dryer this valve will not work on a dryer.

Product description

Specifications:

Furnace Outer Diameter: 9.43”

Furnace Outer Height: 12.18”

Furnace Inner Diameter: 5.91”

Furnace Inner Height: 7.67”

Crucible Size: 5.59 * 4.81”

Crucible Capacity: 650ML

Furnace Material:Fireproof cotton,fireproof mud

-Our Melting Furnace Can Be Melted: 6KG copper,12KG gold,1.6KG aluminum,7KG silver. Before using，pre-heat the crucible at 300 ℃（572℉） -500 ℃（932℉） for 5 min.

-Upgrade Material: Extra layer fireproof mud, longer lifespan.

-Metal Recycle: Precious metals recycle, DIY Jewelry

Usable Fuel:Liquefied petroleum gas(LPG),liquefied natural gas(LNG),propane.

-NOTE: there might be some cracks inside the fireproof mud,no influence to its use though.If you are worried, you can use the outer soil or red mud to directly smear the inner wall, which will have a better insulation effect.If you care about this, pls think twice before ordering.

-If you need aThe inner diameter of the hose is 8mm,Hope it helps.

Perfect Melting Kit:

Melting furnace *1

Crucible*1

Graphite Ingot mold*1

Burner*1

Trachea*1 tongs*1

Instruction manual*1

• Heated Up to 1300 °C: Our melting furnace can be melted:gold, sliver,copper,aluminum.The furnace can melt metals with a melting point below 1300°C.If the working temperature is higher than 1300 degrees(eg.iron), the service life will be shortened.
• Before using，please pre-heat the crucible at 300 ℃（572℉） -500 ℃（932℉） for 5 min.
• Upgrade Material: Furnace body is made of steel，furnace Interior fully lined with fireproof cotton and extra layer of fireproof mud,which can increases the furnace’s fuel efficiency and safety. Furnace floor are made from refractory fire brick, providing superior strength and durability.
• Easy to Assemble: Please check the air circulation when you install it.
• Perfect Melting Kit: furnace *1, crucible*1 ,graphite Ingot mold*1 ,burner*1 , trachea*1, tongs*1 , Instruction manual*1（NOTE：there might be some cracks inside the fireproof mud, it's no influence to its use . ）

Product description

This flame sensor is for Goodman Janitrol Amana York furnace.

Fit Models numbers: GMS80603AX, GMS80604BX, GMS80603AN, GMS80604BN, GMS80804BN, GDS80403AN, GDS80603AN, GDS80804BN, GDS81005CN, GMSS960402BN, GMSS960603BN, GMSS960803BN, GCSS960402BN, GCSS960603BN, GCSS960804CN, GCSS961005CN, GCSS961205DN.

Easy to install and works well

Made from durable and resists wear material, and well-tested by the manufacturer before shipment

Exact replacement for the part # 0130F00010 B1172606 B11726-06 20488501

• 👍This flame sensor is for Goodman Janitrol Amana York furnace
• 👍Easy to install and works well
• 👍Exact replacement for the part # 0130F00010 B1172606 B11726-06 20488501
• 👍Made from durable and resists wear material, and well-tested by the manufacturer before shipment
• 👍We provide excellent service and pls contact us if you have any questions

User questions & answers

Question:	Will this work a s a replacement for B
Answer:	Thank you for your question. Normally the glass is coming to be soft from 1110F, plus using melting fux, YES it can melt glass. Also we'd like to remind you that the soft glass will make a sticky mess, so best to have one more Crucibles if want to melt metal. Have FUN :)
Question:	Does this flame sensor fit a york model tg9s080c16mp11a
Answer:	Thank you for your kindly question. The whole furnace body is made by heavy duty 1.5mm thick 304 stainless steel material, laser welding bottom. Considering the 80000 BTU output, it may have some glows at the area of the cylinder welding on the furnace body(sometimes you can see the few glows just in a dim environment), but Built-in high quality ceramic wool heat insulation, so Definitely no problem, the furnace body is sturdy enough, keep going dude.
Question:	Is this the same as 0130f
Answer:	I have a standard Homedepot BBQ tank. Volume will depend on how you use it. Aluminum seems to melt quick and uses little gas. Copper takes a long time to hit the melting temp. I would go to a Walmart or HD and get the standard size and go from there.
Question:	How long is the probe on this
Answer:	Thank you very much for your question. The melting point of mild steel is up to 2732F, this furnace will not sustain for a long period of time, also it's going to cost you a decent amount of gas to do it. So mild steel NOT recommended. Thank you.

Product features

Easy to Install

Just several steps to install the sensor. You can follow our install process on detail pages and replace the broken sensor easily.

High Quality

Durability: Our flame sensor is made of high-quality and wear-resists metal and ceramics, and it had been well-tested by the manufacturer, can last for long.

Great Service

We have a professional service team for you to solve product problems and return goods at any time for any reason you're not completely satisfied.

Product description

0-28LBS(12.8KGS) Gas Propane Melting Furnace Kit including Furnace, Crucible, Ceramic Fiber Pad , Air Intake , Regulator, Fire Brick, Ptfe Tape, Tong and USER MANUAL; DELUXE 2600F/1425℃,Stainless Steel body; Melting Gold Silver Copper Brass etc.,Melting Capacity: Max. Capacity Gold 13KGS/28.7LBS Silver 7KGS/15.4LBS Copper 6KGS/13.2LBS Iron 5KGS/11LBS Aluminum 1.8KGS/4LBS, Light Duty Forge, Metal recycle;Glove links:https://www.amazon.com/dp/B08P1RMQJT; Crucible links:https://www.amazon.com/dp/B08HS93HHQ; Furnace kit links:http://www.amazon.com/dp/B08HSN1LRH; Furnace kit including gloves:https://www.amazon.com/dp/B08MKSYLJP

• Gas Propane Melting Furnace Kit including Furnace, Crucible, Ceramic Fiber Pad , Air Intake , Regulator, Fire Brick, Ptfe Tape, Tong and USER MANUAL
• Easy to assemble, portable, best choice for beginners，Light Duty Forge, Metal recycle, full of fun, One Year Warranty and technical support any time
• Heat up to 2600F/1425℃, Stainless Steel body
• Melting Capacity: Gold 13KGS/28.7LBS Silver 7KGS/15.4LBS Copper 6KGS/13.2LBS Iron 5KGS/11LBS Aluminum 1.8KGS/4LBS
• #6 Graphite Crucible links:https://www.amazon.com/dp/B08HS93HHQ ; Glove links:https://www.amazon.com/dp/B08P1RMQJT ; Furnace kit links:http://www.amazon.com/dp/B08HSN1LRH ; Furnace kit including gloves:https://www.amazon.com/dp/B08MKSYLJP

User questions & answers

Question:	What are the dimensions inside and outside of this furnace. What are dimensions of the crucible
Answer:	I really do not know that you can increase the fan speed, could you give me more information about it?
Question:	can this be converted to run on natural gas
Answer:	Yes, it will have a ten year warranty on all of the parts and a lifetime warranty on the heat exchanger.

Product description

This Blue Flame 30,000 BTU Natural Gas Vent Free heater is the perfect supplemental heating solution even on the coldest days. This heater is conveniently equipped with a thermostat for superior control of the temperature in your space. Also, with a battery powered electronic ignition, starting it is a breeze - battery included. This unit can be permanently mounted to the wall or securely fastened to the floor with included mounting brackets and fasteners. A clean burning blue flame tube burner uses the natural convection of the burn to circulate warm comfortable air. With a factory standard Oxygen Depletion Sensor (ODS), rest assured this heater will provide you with years of comfortable and safe heat.*WE ARE NOT ABLE TO SELL THIS PRODUCT TO CANADA AND CALIFORNIA* ** Please note when operating this heater at altitudes over 4,500 FT above sea level could cause pilot/ODS to shutdown the heater.**

• 30,000 BTU Natural Gas heater to heat spaces up to 1000 square feet
• Blue flame burner for even convection heat. Maximum Elevation (Ft)-4500. Fuel Consumption/Burn Rate (Gal/Hr)- .030 MCF
• Automatic low oxygen shut-off system (ODS). CSA Certified
• Operating this heater at altitudes over 4,500 FT above sea level could cause pilot/ODS to shutdown the heater.included.Theromostat, legs and wall mounting hardware
• Fuel Type:Natural Gas.Not for use in bathrooms, bedrooms, or recreational vehicles

User questions & answers

Question:	if it has a thermostat, what temperature is it shutting off? I have a different fire place with a 73 degree shut off manufacturing setting,not enought
Answer:	I asked the manufacturer for the thermostate info. It has a knob on top from 1-5. 1-60.8°f 2-75.2°f 3-89.6°f 4-104°f 5-118.4°f He also said that they could vary slightly from heater to heater.
Question:	I don't see a pic or anything that shows where/how the fan mounts. Does anyone know
Answer:	The fan will mount on the back of the heater. There is a punch out that will be removed and the fan will go in it's place.
Question:	Would this heater work in a 2 car garage
Answer:	In short yes. we have this on the first floor of our house. it is not yet winter, but this is a 30,000 BTU heater; it heats the entire house fast - like 20 mins upstairs and down. I would say the same for a two car garage. I plan on moving this unit to the basement shop which is exposed to ground level in the back and unheated; basically a 1 car garage back there and I expect this to out perform. I will add one thing: this is the blue flame unit. I have had shop heaters before and prefer the radiant heaters (of which Mr Heater makes one just like this) - they have the clay looking elements in them that glow red/orange; those heaters will heat things in the space and then those items give off the heat. I used to aim one at my roll away tool box. in an area where you might have a lot of space up above, such as a loft the radiant version of this heater may be better as it will heat the items it is near with less heated air floating up. either way, this is a safe bet.
Question:	Does the mhvfb30ngt unit have an automatic igniter to maintain temperature or do you to to push an igniter switch to start it each time
Answer:	It has a pilot lit that will stay lit at all times, unless you turn the dial to the Off position. The heater will start up when the thermostat dial settings determines that it's time to turn the heater on.
Question:	I stripped the threads on the heater, how can i fix this
Answer:	You can tap it out if you have a tap and die set, otherwise you will have to order new parts
Question:	Want 30000 Btu radiant heater with blower
Answer:	The 30000 BTU heater will be the model number MHVFRD30LPT. Click on link provided to view the heater. https://www.amazon.com/Mr-Heater-Corporation-Radiant-MHVFRD30LPT/dp/B01DPZ56KU/ref=sr_1_1?ie=UTF8&qid=1514918538&sr=8-1&keywords=MHVFRD30LPT
Question:	Will this work with a 20 pound tank
Answer:	Yes, but you will need to add a regulator between the heater and the 20 pound tank for safety
Question:	So, it has no thermostat but output is variable? How does this work
Answer:	It does NOT have a thermostat, settings are either high or low. It will NOT turn on and off on it's own when reaching certain temperatures, it even says its NOT thermostat controlled in the manual.

Product features

Radiant Vent Free Heaters

Our Vent Free heaters need no external power, great for power outages and applications with no electricity. They can be mounted to the wall with the supplied bracket or on the floor with the supplied feet.

Most common uses are rooms that don’t warm well so you can adjust the temperature level in them without having to affect the rest of the home.

There are two types of vent free heaters, blue flame (or convection heat) and Infrared (or radiant heat). The difference in these types of heat are how the warm.

The Infrared heater warms objects. It doesn’t warm the air like a Blue Flame. It can be put in an area with objects which the heater will heat and then the object will heat the air. Blue Flame warms the air, infrared warms objects, which heat the air.

Note: Units cannot be converted from Propane to Natural Gas and vice versa. They are not designed to be a primary source of heat, as they are designed to work with a furnace.

Blue Flame Vent Free Heaters

Our Vent Free heaters need no external power, great for power outages and applications with no electricity. They can be mounted to the wall with the supplied bracket or on the floor with the supplied feet.

Most common uses are rooms that don’t warm well so you can adjust the temperature level in them without having to affect the rest of the home.

There are two types of vent free heaters, blue flame (or convection heat) and infrared (or radiant heat). The difference in these types of heat are how the warm.

The Blue Flame heater warms the air. It doesn’t radiate the heat like an infrared unit. It can be put in a narrow area because the heat rises and warms the area from the ceiling down. Blue Flame warms the air, infrared warms objects, which heat the air.

Note: Units cannot be converted from Propane to Natural Gas and vice versa. They are not designed to be a primary source of heat, as they are designed to work with a furnace.