emodal contact phone number

lennox furnace propane conversion kit

Besides, youll get a seemingly unlimited fuel supply that will enable you to heat your home in cold weather conditions. New propane and gas furnaces tend to be more compact and take up less space in your home than older oil furnaces. Not a member? Additional site navigation. Resources. Doing so would enable you to determine if getting a new unit would be a more affordable solution than converting the unit to run on propane. 0000012190 00000 n This section contains Lennox Natural Gas and LP Gas Conversion Kits. /parts-and-supplies/heating/heating-accessories/lp-kits-&-high-altitude-kits/c/p413. Despite all these obstacles, you should still do as much background research as you can to determine if a propane conversion kit is durable and reliable. hb```c`` @(1vNm>PC@$g_&].\b7D'n}v KQd9ix;P4 FFt'(6 . Works efficiently, so you can, too With up to 81% thermal efficiency, the LF24 garage heater provides energy-smart warmth that makes your work area more conducive to getting work done. 0000012326 00000 n 0000014954 00000 n V:rPiw-9r!/9@_!2BJnCun;mUOpW,Ud\Il[,2'JP#OX#qu'67cqS5M4G. Og{RhorP([S}T >yv?NR.F$?$b8g7viN:O$Qy"^7"|2IdJ]"[{?mh-d7(m9GOmFpYp:pF[d;F4eeT2%Y(Cal9 DR@|B Pk?H CHA)f*HjikNH0P* p 5c!u)(Wg!DV $>E%(5xQ8/E/QE. 0000172145 00000 n Product Specifications. Gas valve conversion kit MUST be installed BEFORE the unit is fired using LP/propane gas. The new LennoxPROs e-Business System makes your job easier, faster and more profitable. For the best experience on our site, be sure to turn on Javascript in your browser. The selection of convertible furnaces is shrinking as new models are usually designed to work with just one type of fuel, so your best option is to decide which type of fuel you want to use before purchasing a heating or cooling system. <<62D428AAED35CD4BBE0E67C7C6A69FDA>]/Prev 956302>> NOTE In Direct Vent installations, combustion air is taken LPG/Propane Conversion Kit (Optional) . Installation (Figure 1) WARNING Danger of explosion. . Lennox 614839-07, Natural to LP Gas Conversion Kit, Two-Stage Standard Cat #: 21Z24 Model/Part #: 614839-07 Sign in for pricing and availability Add To Cart Lennox 614839-06, Natural to LP Gas Conversion Kit, Two-Stage Med & High Cat #: 21Z23 Model/Part #: 614839-06 Sign in for pricing and availability Add To Cart Lennox Corporation 45L85 LP Conversion Kit Brand: CAI - LENNOX $22077 LP Conversion Kit, Fits Brand Lennox, For Use With Mfr Buy it with Total price: Add all three to Cart Some of these items ship sooner than the others. See product availability listed below, visit Commercial Quick Quote, or call the Rapid Replacement Hotline at 1-800-4LENNOX. Convert ML180, EL180, 80AF1, ML193, ML195, ML196, EL195, EL196, 92AF1 and 95AF1 units from natural gas to LP/Propane. Make a Purchase From Our Online Store Your Order Is Shipped Quickly and Cost Effectively Hire A Local Installer Of Your Choice Air Conditioners SHOP NOW Furnaces SHOP NOW Thermostats SHOP NOW Air Quality SHOP NOW Enter in your new list name below, and we will save your item to it! $0.00. Not a member? startxref David wanted a career that would let him be out on the move, meet new people, and work with his hands. All Rights Reserved. 106 0 obj <>stream Propane doesnt have a limited shelf life as it keeps its properties for three decades, but storing propane is a challenge youll have to face. 83 0 obj <>/Filter/FlateDecode/ID[<32D08F023D97494791A81BBB351170F4>]/Index[55 52]/Info 54 0 R/Length 126/Prev 320396/Root 56 0 R/Size 107/Type/XRef/W[1 3 1]>>stream Also, the unit should have a label that informs you if you can change its fuel type or not. However, heating a 2000sq/ft house with propane costs between $150 and $250 in cold weather, while heating a house of the same size with natural gas costs around $100 to $200. Even though theyre fossil fuels, they behave differently during combustion, especially the gasoline option. 0000005285 00000 n 80MGF series units are midefficiency gas furnaces . Get the latest updates on new products and upcoming sales. $72.45 + $9.90 Shipping. Natural gas has lower pressure than propane which means that the units gas orifices have to be larger if converted to work with propane. Please select the application form language. LF24-30 and LF24-60 units may be fired at full input up 0000006670 00000 n The manufacturers of these kits rarely include this list of compatible devices in the product description. Find a nearby store using a city or zip/postal code above. Not a member? Thats why you shouldnt try to change them by yourself unless youre an experienced HVAC technician. IT HAS BEEN REPLACED BY PART # 18L11. JavaScript seems to be disabled in your browser. 0000012758 00000 n 0000013533 00000 n More Information. Direct Replacement: LP Kit Brand: Lennox SKU: 18L11 ( 1) In Stock Get 1 Mon, Apr 17 VIEW REPLACEMENT Description - Find a nearby store using a city or zip/postal code above. Once you manage to dig up some information about the kit youre interested in, youll have no way of verifying the validity of the source. 0000004270 00000 n So, if your unit just has a NAT label, then changing the type of fuel it uses is impossible. 1 - 104325-01 Brass Adapter for Press. On average this is between $500-$1800. A kit is available for conversion to LPG operation. The best option is to search for a kit manufactured by the same brand as the furnace youd like to upgrade, but even in this case, you should try to find out if your kit choice is compatible with the unit on which you want to install it. And weather. Please check other cities zip/postal codes for same-day availability. Register in 3 easy steps, today. 0000017380 00000 n Find a nearby store using a city or zip/postal code above. USE THE FOLLOWING INFORMATION IN CONJUNCTION WITH THE INCLUDED CONVERSION KIT INSTRUCTIONS (#20069801/CAT. . (Call 734-326-3900 with your model and serial number for more information.). The furnace conversion kits we keep in stock are for Goodman's line of furnace systems. The store will not work correctly in the case when cookies are disabled. The new LennoxPROs e-Business System makes your job easier, faster and more profitable. The process of installing a low gas pressure switch or regulator spring kit isnt a task for a DIY enthusiast. Goodman LPM-06 Lp Conversion Kit for 2-Stage Gas Furnaces Brand: Goodman 8 ratings $12883 About this item Goodman Lp Conversion Kit For 2-Stage Gas Furnaces (Lpm-06) Propane (LP) conversion kit for Goodman two-stage gas furnace This is manufactured in United States Total price: $164.00 Heat-n-glo Pilot Assembly 446-510a Natural Gas 7 Units are factory equipped for use with natural gas. On the other hand, natural gas is considerably cheaper than propane, so unless you can get propane in the same price range as natural gas, you wont be able to lower your expenses. A basic ac motor (alternating current) will be on the lower side of the spectrum costing closer to $500. Lennox 11K50 Conversion Kit used to convert Natural Gas to Liquid Propane for Gas Furnace Model 80G1UH070AP12-3. Ask Technical Hot & Cold anything. Answer: No, you must purchase the fuel separately from the propane conversion kit. You will get a 36G54 pressure check kit valve, spud orifice assembly, conversion label, Honeywell conversion kit, and White-Rogers conversion kit; you opt for the LPM-06. The kits themselves arent expensive, as they can cost up to $300, while the average installation cost is around $200. Propane generates twice as much energy as natural gas. A single unit of natural gas contains around 50% less energy than a unit of propane. 0 So, by switching to propane, youll be using 50% less fuel than you were using with natural gas to heat the area of the same size. Not a member? You should consider the following factors if you decide to install a propane conversion kit on a furnace. Connecting a propane tank to a furnace optimized for natural gas is dangerous as two gases burn differently. A furnace or any other gas-powered appliance will be labeled NAT or LP if it is compatible with just one type of fuel. LPG/Propane Conversion Kit Conversion kit is required for field change over from natural gas. And since it offers output levels from 30,000 to 75,000 Btuh, it can ward off even the chilliest outdoor conditions. Besides, the costs and the complexity of installing a propane conversion kit outweigh the benefits, and in most cases, its easier to get a new furnace that runs on propane. 0 The White Rogers/Emerson F920659 propane conversion kit doesnt include all the components youre going to need to change the type of fuel your furnace is using. Use natural to LP gas conversion kit 11K51 to convert EL280, SL280, ML296, EL296 and 95AF2 gas furnaces from natural gas to regulated LP/Propane. 0000011317 00000 n Propane and gas are also much cheaper than electric and oil heating. ] ^h (Call 734-326-3900 with your model and serial number for more information.). $94.89. Whether you're upgrading an older propane furnace or switching fuel sources Converting from Oil or Electric Can Increase Costs The total cost of installing a propane furnace may approach $7,000 to $8,000 or more if you are also converting from another heating source like oil or electric. Lennox add-on evaporator coils, electronic air cleaners and power humidifiers can be eas- . Brand Capacity Type Natural Gas High Altitude Conversion Kit (2) Natural To LP Conversion Kit (3) Natural to LP Gas Conversion Kit (1) Sort By Relevance Dunkirk 43300701 LP to Nautral Gas Conversion Kit Cat #: 93P47 Model/Part #: 43300701 Space savings - The most immediate benefit of a gas or propane furnace conversion is the space you will save. The Honeywell 393691/U has an 8-inch to 12-inch adjustment range that lets you control the flow of the fuel through the furnace. ICP 80% Gas Furnace Conversion Kit Condensing Natural Gas to Propane. Lennox Blower Motor Replacement Cost. High Altitude Information All units may be fired at full input up to 2000 ft. above sea level. 0000169968 00000 n 0000004383 00000 n It also makes gas pumps more efficient by reducing their fuel consumption. Asked by: David Runs on propane or natural gas Ships as natural gas with propane conversion kit Recommended thermostat: 24V Available vent kits: F102848, F102860 For inquiries regarding, Mr. Heater, Sunrite, and BaseCamp products, please call: Phone 1-800-251-0001 (USA & Canada) The components of these kits are durable, and you can use them for years without having to worry about replacing them. Enter in your new list name below, and we will save your item to it! Instead, it is much safer to let a licensed technician do the conversion for you than to risk making a mistake that could cause the engine failure and destroy the appliance. Need your unit today? The kit also includes a detailed manual which somewhat simplifies the installation process, but the manufacturer suggests that a professional installer should install the kit. You can use the Honeywell 393691/U propane conversion kit to switch from natural gas to propane fuel on single-stage furnaces. Provides warmth for pets and plants kept in the garage Reliable Performance Uniform heat distribution with a tubular heat exchanger and other advanced components *Sizing application is provided as an example only. 0000004000 00000 n Lennox Parts Lennox Conversion Kits LP Conversion Kit Brand: Lennox SKU: 11K49 ( 1) Q&A: ( 0) - + $250.47 each ADD TO CART In Stock Get 1 Fri, Apr 28 More Available Inventory Details Order by 5PM, receive Friday Free Shipping This item ships free Easy Returns No restocking fee for 90 days Specs - Product Type: Kit Question? *Please read our shipping and returns page for warranty and return details. See product availability listed below, visit Commercial Quick Quote, or call the Rapid Replacement Hotline at 1-800-4LENNOX. %%EOF Sw. 1 - 100098-01 Wiring Harness (12" L OR/White w/ 1/4" QC), 1 - 29M8501 Honeywell # 396221-1 Nat to LP Gas Valve Conversion Kit. 0000093911 00000 n 68W75 Be the first to write a review If at all possible, the process of changing the fuel a furnace is using is highly complicated as it involves changing some of the units key components. Register in 3 easy steps, today! NOTE: THIS PART IS NO LONGER AVAILABLE. Answer: You can use any propane conversion kit compatible with the furnace model you have, regardless of how many BTUs it has. Huge Savings on orders over $4,000. - Furnace and Air Handler Gas Valves - Fuses and Breakers - Gas Conversion Kits - Humidifiers Parts and Filters - Ignition Controls - Ignitors . The same can be said for burners and burner air shutters, as even the slightest mistake can compromise the units integrity. Once theyre installed, propane conversion kits can last for years. 0000056471 00000 n Lennox. 0000004408 00000 n Nonetheless, the costs of replacing the components of a furnace designed to work with natural gas with those optimized for propane can be higher or lower depending on the complexity of the system. In some cases, a propane conversion kit can be utilized to add an alternative fuel option, but more commonly, these kits enable you to switch from natural gas to propane. Fits Models: (Press ctrl + F to find model number below if you have any questions call 734-326-3900 for further information) LF24 Garage Heaters. If you have any questions or would like to confirm part fitment, please call us at (734) 326-3900 and speak with one of our technicians. Not a member? Lennox 604888-12, Natural to Propane Conversion Kit, 12 - 102906-02 (71W48)LP main burner orifices(0.034") (Stamped ".034"), 1 - Nameplate Conversion Sticker 580051-69, 1 - Converter(installer) Sticker 580069-58, 1 - 100096-01 Low Inlet Pressure GV Press. The most affordable and common option is to have a propane conversion kit add-on installed when you purchase a furnace. No store found for that zipcode and search radius. 0000149989 00000 n However, the fact that a kit is compatible with Lennox furnaces doesnt necessarily mean that it is compatible with all furnace models the brand produces. The new LennoxPROs e-Business System makes your job easier, faster and more profitable. Furthermore, finding online reviews of specific kits requires you to browse through hundreds of comments on different forums. The right heater for your area. [pool9] 36 items. Visit ourHVAC service website. Also, many furnaces have gasoline carburetors and other components required to burn gasoline; if thats like yours, then you may be able to create a dual fuel furnace that runs on both gasoline and propane. xref LP Kits & High Altitude Kits Shop LP kit parts and accessories on LennoxPros.com. 0000005038 00000 n 80MGF11 model units are equipped with the Lennox . LPG/propane kit LB-69845L (38K84) LB-69845K . This kit contains LPG Main Burner orifices for installing a furnace at an elevation from sea level to an altitude of 10,000 feet above sea level. See Specifications tables. Fits Allied, Armstrong, Concord, Ducane, Magic Chef, and Magic-Pak Models: (Press ctrl + F to find model . Propane conversion kits are designed for specific furnace models, so the right kit for your furnace is the one that is compatible with it. Answer: After a successful installation, you wont have to replace its components more frequently than once every few years. 54 48 The vast majority of contemporary air heating furnaces have appliance regulators, burners, and burner air shutters that are designed to work with a specific type of fuel. List Price: $89.66 Your Price . /hvac/packaged-units/packaged-unit-accessories/lp-kits/c/c122. 0000001653 00000 n 0000001764 00000 n Product Details. "O5[?o'.Uo18MwJ|ZEn^*{v{2V. Buy Propane Conversion Kit For Furnace - Are you a home owner looking to convert your propane furnace to natural gas or vice versa? Changing these components will help you avoid engine failure and prolong the engine life. Weight (in lbs) 1.000000. 1 product rating About this product. Ensure your Winchester residential gas furnace operates safely and efficiently by using the model LP 347 natural gas to propane conversion kit. LPM-10 Goodman Propane Conversion Kit $ 106.95 $ 96.26 Shopping From The Furnace Store Couldn't Be Simpler! These prices include installation costs because you have to budget for this. Not a member? Use LP/Propane to natural gas conversion kit (70W87) to convert SLP98/99 units from regulated LP/propane gas to natural gas. Lennox 73W81 Conversion Kit Propane to Natural Gas: View Lennox Part # 73W81: 74E01: Lennox 74E01 Gas Conversion Kit: View Lennox Part # 74E01: 75E01: All 80MGF units built proir to September 98 use electronic (direct spark) igni-tion. 55 0 obj <> endobj 54 0 obj <> endobj Are you looking to convert your gas furnaces to a propane furnace or vice versa? This kit can convert all BTU sizes of Winchester brand gas furnaces to liquid propane. Lennox Propane Orifice. 0000003515 00000 n A conversion kit (ordered separately) is required for use in propane/LP gas applications. (Optional) Field installed kit (96J69) is available to operate two furnaces simultaneously. The F920659 comes with a 1-year warranty that covers all defects of craftsmanship and materials. No store found for that zipcode and search radius. Product Details. Lennox 73W81 Conversion Kit Propane to Natural Gas. &x? @fc;@/^",Lg"b13. Consequently, switching to propane will turn out to be a more expensive option despite the fuels high energy potential. Contains the necessary components for . Please select the application form language. . No store found for that zipcode and search radius. Buy Lennox 11K49 Gas Conversion Kit for your Lennox Furnace new from the technical experts. The kit includes burner orifices, a gas valve spring, a low gas pressure switch and conversion . Visit ourHVAC service website. Also, switching from gasoline to propane will enable you to use a furnace even if your home doesnt have a natural gas pipe. If you are already registered, please log in. Designed for two-stage furnaces, the Goodman LPM-06 LP Conversion Kit replaces the older LPM-03B and LMP-05 conversion kits. Was this guide to the best propane conversion kits useful? trailer Being able to choose the fuel for the furnace that is at the core of your homes heating system is a luxury that might lower your power consumption needs. LPG Conversion Kit/LF24/30-75kB, Gas Changeover Kit, NG to LP, Lennox, Robertshaw, 7222, #56. Top-tier models: $6,170 - $7,500+. No store found for that zipcode and search radius. Register in 3 easy steps, today! Lennox 20L05 Conversion Kit Natural Gas to Propane. This kit includes everything you need to convert a furnace because it comes with the wiring, main burner orifice, regulator kit, and other components optimized for systems that run on propane. Switching from gasoline or natural gas to propane isnt always possible since some gas-powered appliances are only compatible with one type of fuel. Replaces Old Allied, Armstrong, Concord, Ducane Part Numbers: LPG Conversion Kit/LF24/30-75kB, Gas Changeover Kit, NG to LP, Lennox, Robertshaw, 7222, #56, Fits Models:(Press ctrl + F to find model number below if you have any questions call 734-326-3900 for further information), Fits Allied, Armstrong, Concord, Ducane, Magic Chef, and Magic-Pak Models:(Press ctrl + F to find model number below if you have any questions call 734-326-3900 for further information), Various. The HVAC industry was the perfect fit, and a decade later, David hasn't looked back since. This will ensure that couplings, line size and capacity, and mounting hardware all work together as expected. X Aj`- `0F@qJ|V[\ ]Yrov@?@pCp4 L5zd9| \x08d(Bx Specifications Product Overview Lennox 11K49 LP/Propane gas conversion kit Convert ML180, EL180, 80AF1, ML193, ML195, ML196, EL195, EL196, 92AF1 and 95AF1 units from natural gas to LP/Propane. Even though this option isnt always available, it is worth checking if the manufacturer or the company that should install the heating system can include the propane conversion kit in the setup that will enable you to switch between different types of fuel. Besides, installing new vents might also be necessary to get rid of the fumes efficiently. 0000127597 00000 n Sw. (open 4.5"). Even though propane is more energy-efficient than natural gas, the price gap between these two fuel types is wide enough to cancel out the propanes energy-saving properties. . Replaces Old Allied, Armstrong, Concord, Ducane Part Numbers: 604319-03, LPG TO NAT CONV KIT - ML18, T000743207, 580069-24, 580051-29, 396222-2, 506606-01, Fits Models:(Press ctrl + F to find model number below if you have any questions call 734-326-3900 for further information), EL180E Series, EL195E Series, ML193 Series, ML195 Series, Fits Allied, Armstrong, Concord, Ducane, Magic Chef, and Magic-Pak Models:(Press ctrl + F to find model number below if you have any questions call 734-326-3900 for further information), Various. LENNOX 20L05 Unit Heater LPG Conversion Kit/lf24/30-75kb. One of the main reasons to try using propane as a fuel for your air heating furnace is its high energy level, enabling you to use less fuel. Replacing the burner is also mandatory, as a burner thats inadequate for the type of fuel youre using causes incomplete combustion and almost certain damage to the entire unit. endstream endobj 56 0 obj <>>> endobj 57 0 obj <>/ExtGState<>/Font<>/ProcSet[/PDF/Text/ImageB]/XObject<>>>/Rotate 0/Tabs/W/Thumb 18 0 R/TrimBox[0.0 0.0 612.0 792.0]/Type/Page>> endobj 58 0 obj <>stream Lennox Parts Lennox Conversion Kits LP Kit Brand: Lennox SKU: 20L05 ( 3) Q&A: ( 1) 20L05 has been discontinued Discontinued December 30, 2021 This product was discontinued by the manufacturer. hbbd```b`` d d.X"\'`r:X>""`v ["[I`{Adq;O'H@dFg` M| The kit doesnt come with a set of installation instructions, and the installation process is complicated. There are circumstances in which odorant used with LP/propane gas can lose its scent. Please select the application form language. Register in 3 easy steps, today! He knows his way around keeping your HVAC system in great working shape and loves passing on that knowledge here at HVAC Solvers. Not a member? %PDF-1.4 % Buy Lennox 25W20 Conversion Kit Natural To Propane for your Lennox Furnace new from the technical experts. We carry natural gas to propane conversion kits for the top furnace brands. Our guide to the best propane conversion kits will help you figure out how to change a furnaces primary fuel. UNIT HEATER LPG CONVERSION KIT/LF24/30-75KB. HVAC Gas Conversion Kits. Answer: Depending on the complexity of the system and the extent of adjustments you need to make, the installation process can take between a few hours and a few days. The manufacturers dont provide extensive information about furnace compatibility, as they usually include brands rather than particular models in the list of specifications. 0000127492 00000 n As a result, youll be spending a similar amount of money to fuel the heating system in your home regardless of the type of fuel youre using. Filter & Sort. Models with both NAT and LP labels usually ship with a compatible propane conversion kit, and you dont have to search for an aftermarket solution. Converting a gas-powered appliance, whether it is a stove or an air heating furnace, is usually more difficult than replacing that appliance. Create a rough estimate of the costs of the propane conversion, and then compare them to the costs of getting a new propane-powered furnace. Manufactured By Allied Air Enterprises LLCA Lennox International, Inc. Company 215 Metropolitan DriveWest Columbia, SC 29170 WARNING 0000002951 00000 n If youre using a Carrier, Bryant, or Payne furnace that features both LP and NAT labels, you should check if the model you have is compatible with the Carrier/Bryant KGANP40601 propane conversion kit. This kit replaces the older 11K4901 and 604888-12 kits produced by the same manufacturer, and it is compatible with most Lennox furnaces. 0000017487 00000 n Go through the list of components a propane conversion kit contains and try to ascertain how difficult it would be to install these components. The information about propane conversion kits is scarce and most technical, making it difficult to assess how durable the kit is. Best Propane Conversion Kits: How to Find the Right One? Owners of Lennox furnaces should check if the Lennox 11K49propane conversion kit is compatible with their unit. The kit contains the necessary components for converting the Williams Natural Gas Furnace (model #1403622) to propane gas. High Altitude Natural Gas Kit for Goodman Furnaces, Propane (LP) Conversion Kit for Single Stage Goodman Furnaces, High Altitude Natural Gas Kit for Goodman Gas Packaged Units, High Altitude LP Kit for Goodman Gas Furnaces, High Altitude Natural Gas Kit for Goodman Gas Furnaces, High Altitude Kit for Goodman Gas Furnaces, Modine 28051 Gas Conversion Kit - NG to LP - Conversion Kit for PDP/BDP 250, Modine 28048 Gas Conversion Kit - NG to LP - For PDP/BDP 150, Modine 28049 Gas Conversion Kit - NG to LP - For PDP/BDP 175, Modine 28050 Gas Conversion Kit - NG to LP - For PDP/BDP 200, Propane (LP) Conversion Kit for GCSS96, GMSS92, GMES92, and GMSS96 Single-Stage Goodman Furnaces, Propane (LP) Conversion Kit for Goodman GMVM97 and GCVM97 High Efficiency Furnaces, Propane (LP) Conversion Kit for 2-Stage Goodman Furnaces and Package Units, Propane (LP) Conversion Kit for Goodman GMVC96, GCVC96, and GMEC96 High Efficiency Furnaces, Modine 28052 Gas Conversion Kit - NG to LP - Conversion Kit for PDP/BDP 300, Thermo Pride High Altitude Orifice Kit - 6501-8500 ft, Thermo Pride High Altitude Orifice Kit - 4501-6500 ft, Thermo Pride High Altitude Orifice Kit - 2001-4500 ft, Modine 28053 Gas Conversion Kit - NG to LP - Conversion Kit for PDP/BDP 350, Propane (LP) Conversion Kit for Goodman for GMEC960302AN High Efficiency Furnaces, Modine 28054 Gas Conversion Kit - NG to LP - Conversion Kit for PDP/BDP 400, ADP Liquid Propane Conversion Kit - 176701643, ADP Liquid Propane Conversion Kit - 176701641.

Stevensville Police Department, United Methodist Church Pastor Assignments, Gary Works Blast Furnace, Imbolc Lamb Recipes, Articles L

lennox furnace propane conversion kit