The Mr. Heater 4 inch Stainless Steel Horizontal Vent Kit for Big Maxx MHU50 and MHU80 Unit Heaters is a complete venting kit that includes everything you need for horizontal venting. The kit includes an adapter, b-vent pipe, 2 vent pipes, 90 degree elbow, wall thimble, roof flashing, storm collar, and vent cap.Jun 12, 2023 · NOW. $307.93. Quantity Available: 2. Date Added: 6/12/2023. Location: RACINE. Stainless steel vent kit for Mr. Heater. To purchase this item contact the Plumbing department at the Menards ® RACINE store in person. Questions about this item can be answered by e-mail. Bargain items are NOT available for online purchase. Mr. Heater Big Maxx Natural Gas Garage/Workshop Unit Heater — 50,000 BTU, LP Conversion Kit, Model# F260550. Item # 27457. $499.99. Reg $549.99 Save $50.00. Shipping: Free shipping - Available now. See Shipping Options. Store Pickup: Not Available. Final Price $ 489 49. each. You Save $60.50 with Mail-In Rebate. Ceiling-mounted forced air unit heater turns garages, barns, and workshops into heated workspaces. 80,000 BTUs heat up to 2,667 sq ft, or approximately a 3 or 4-car garage. Ships as natural gas; includes natural gas to propane conversion kit. View More Information. Shop Mr. Heater Big Maxx 4-in Horizontal Residential Adapter, B-Vent Pipe, Vent Pipe, Elbow, Wall Thimble, Roof Flashing, Storm Collar, Vent Cap at Lowe's.com. New cat III SS sealed 4-in horizontal ducting for unit heaters. This heater offers the operating versatility and safety that you have come to expect from Mr. Heater®. 125,000 BTU per hour. For use with natural gas. Heats up to 4,167 sq. ft. Spark ignition features self-diagnostic control module. Includes 2 angle brackets for ceiling mount. Low Profile Design - Can be installed in low-ceiling buildings.11% Mail-In Rebate Good Through 9/4/23. $47.19. Final Price $ 381 81. each. You Save $47.19 with Mail-In Rebate. Ceiling-mounted forced air unit heater turns garages, barns, and workshops into heated workspaces. 50,000 BTUs heat up to 1,250 sq ft, or approximately a 3-car garage. Ships as natural gas; includes natural gas to propane conversion kit.Mr. Heater MHVFB20NGT Vent-Free 20,000 BTU Blue Flame Natural Gas Heater + Mr. Heater F299201 Vent-Free Blower Accessory Kit (2016 - present) $34999. Get it Wed, Oct 19 - Mon, Oct 24. FREE Shipping. This Item: Mr. Heater Big Maxx Natural Gas Garage/Workshop Unit Heater — 50,000 BTU, LP Conversion Kit, Model# F260550 $499.99 Thermostat For Mr. Heater Garage Heaters $21.99 DuraVent Vent Unit Heater Kit — 4in. Sep 4, 2023 · Model Number: RTG20096 Menards ® SKU: 6374134. Everyday Low Price. $269.99. 11% Mail-In Rebate Good Through 8/20/23. $29.70. Final Price $ 240 29. each. You Save $29.70 with Mail-In Rebate. Kit includes: 2-wall penetration plates, horizontal termination, 1-appliance adapters, 94 degree elbow, 12" section, di-electric grease tube for gaskets. Horizontal Unit Heater Vent Material List. Model Number: 6955535 Menards ® SKU: 6955535. Everyday Low Price. $275.94. 11% Mail-In Rebate Good Through 8/27/23. $30.35. Final Price $ 245 59. each.Minimum 8 Ft. clearance from floor to base of heater required with a mounting clearance of 1 In. Spark ignition features self-diagnostic control module. CSA certified. Power exhaust allows for Category 1 vertical or Category 3 horizontal venting (3" vertical and 4" horizontal vent kit sold separately). 1/2 In. gas connection. This simple kit includes a variety of venting options that will be enough for most users. This kit is intended for horizontal venting of a power vented unit heater that requires 4" venting. This can be used for Reznor UDX30-125 power vented unit heaters. This venting requires 3” clearance to combustibles. Always check your local codes before ...Shop Mr. Heater Big Maxx 4-in Horizontal Residential Adapter, B-Vent Pipe, Vent Pipe, Elbow, Wall Thimble, Roof Flashing, Storm Collar, Vent Cap at Lowe's.com. New cat III SS sealed 4-in horizontal ducting for unit heaters. 60607 Ship to Store Sep 1 - Sep 5 338 available FREE Delivery Friday, Sep 1 338 available FREE Add to Cart or Buy now with Product Details 4 in. Stainless Steel Horizontal Vent Kits are designed to fit the MHU75, HSU75, MHU80 and HSU80 model unit heaters. Designed for vertical installation only.Unvented LP-Gas Vent Free Room Heaters 4 Installation Instructions and Owner’s Manual Product Features Figure 1 SAFETY DEVICE This heater has a pilot with an Oxygen Depletion Sen-sor (ODS) safety shut off system. The ODS/pilot shuts off the heater if there is not enough fresh air. IGNITION SYSTEM – The heater is equipped with an electronic ... 8. Do not use heater if any part has been under water. Immediately call a qualified service technician to inspect the room heater and to replace any part of the control system and any gas control which has been under water. 9. Operating heater above elevations of 4,500 feet could cause pilot/ODS to shutdown heater. 10. This Mr. Heater Big Maxx™ Natural Gas Garage/Workshop Unit Heater is quiet and vented for easily heating a 2- to 3-car garage. The low-profile design requires only 1in. clearance from the ceiling (two angle brackets are included). Big Maxx features power exhaust for vertical or horizontal venting.Jun 12, 2023 · NOW. $307.93. Quantity Available: 2. Date Added: 6/12/2023. Location: RACINE. Stainless steel vent kit for Mr. Heater. To purchase this item contact the Plumbing department at the Menards ® RACINE store in person. Questions about this item can be answered by e-mail. Bargain items are NOT available for online purchase. Arrives by Tue, Dec 27 Buy Mr. Heater 4 Inch Horizontal Vent Kit for Big Maxx MHU45LP, MHU45NG, MHU75LP and MHU75NG Unit Heaters #F102845 at Walmart.com FREE shipping by Christmas. Order by 12/21 at 2pm & get gifts in time. $35 min. Restrictions apply. Mr. Heater Big Maxx Silver Wall-mounted Garage Heater Vent Kit. The category 1 vertical 4 in vent kit provides class 1 single wall B-vent ducting for Mr. Heater Big Maxx unit heaters, ranging from 50,000, 80,000, and 125,000 BTUs. Complies with US standard (UL441) and Canadian standard (S605). Designed for vertical installation only. Category 1 horizontal 4 in vent kit for use with Mr. Heater Big Maxx or Heatstar by Enerco brand unit heaters ranging from 50,000, 80,000, and 125,000 BTUs. Stainless steel 4 in sealed ducting meets new category 3 certifications, Includes: 4 in x 6-19 in adjustable pipe, 4 in x 12 in vent pipe, 4 in 45-degree elbow, 4 in wall thimble, 4 in ... Mr Heater horizontal 4 Inch stainless steel vent kit for Mr Heater unit heaters. Includes: 1, 3inch to 4inch adapter, 1- 4x36inch B-vent pipe, 2- 4x24inch vent pipe, 1- 4inch 90-degree elbow, wall thimble, roof flashing, storm collar, vent cap Arrives by Tue, Dec 27 Buy Mr. Heater 4 Inch Horizontal Vent Kit for Big Maxx MHU45LP, MHU45NG, MHU75LP and MHU75NG Unit Heaters #F102845 at Walmart.com FREE shipping by Christmas. Order by 12/21 at 2pm & get gifts in time. $35 min. Restrictions apply.Product Details. 4" Horizontal Stainless Steel Z-Vent Wall Hung Water Heater Vent Kit for horizontal installation of Eccotemp 45HI and EL22i Series indoor water heaters.Used to drain condensate from the vent system, high temperature drain tube kit sold separately.Low resistance rain cap is designed to terminate a vertical stack and prevent the ...Category III 6in Horizontal Vent Kit. $709.55. Add to Wish List. Out of stock. Add to Compare. ... COPYRIGHT MR. HEATER 2020. Enerco Group Inc / Mr. Heater 4560 West ...Sep 4, 2023 · Model Number: RTG20096 Menards ® SKU: 6374134. Everyday Low Price. $269.99. 11% Mail-In Rebate Good Through 8/20/23. $29.70. Final Price $ 240 29. each. You Save $29.70 with Mail-In Rebate. Kit includes: 2-wall penetration plates, horizontal termination, 1-appliance adapters, 94 degree elbow, 12" section, di-electric grease tube for gaskets. Saf-T Vent® Model EZ Seal/EZ 316 . Single Wall . Gas Vent Connector . Chimney Liner & Special Gas Vent (USA) / Type BH Vent Class I/II (Canada) For Venting Residential, Commercial & Industrial Appliances . Category I, II, III & IV Appliances . 3”-5” Diameter Vent for use on Positive, Neutral and Negative . Pressures up to 9” W.C. Category III 4in Stainless Steel Horizontal Vent Kit. $428.59. Add to Wish List. Add to Cart. ... COPYRIGHT MR. HEATER 2020. Enerco Group Inc / Mr. Heater 4560 West ... Mr Heater 4in Stainless Steel Horizontal Vent Kit. SKU# F102860. In Stock (Ships in 3-5 business days) Made In USA. Free Shipping (Ground shipping to lower 48) Low Price Guarantee. $324.99. List: $593.42. (Max. order of 1,000) Category III 6in Horizontal Vent Kit. $709.55. Add to Wish List. Out of stock. Add to Compare. ... COPYRIGHT MR. HEATER 2020. Enerco Group Inc / Mr. Heater 4560 West ...Find many great new & used options and get the best deals for Mr. Heater Mhu50 4" Stainless Steel Horizontal Vent Kit Unit Heaters Silver F102860 at the best online prices at eBay! Free shipping for many products! Mr. Heater MHVFB20NGT Vent-Free 20,000 BTU Blue Flame Natural Gas Heater + Mr. Heater F299201 Vent-Free Blower Accessory Kit (2016 - present) 1. $27999. FREE delivery Jul 20 - 24. Only 4 left in stock - order soon. More Buying Choices.mr. heater university faqs and product data ... vent free. cabinet. forced air propane ... portable oil-fired. portable radiant. dual lp tank hook-up kit. learn more ...This simple kit includes a variety of venting options that will be enough for most users. This kit is intended for horizontal venting of a power vented unit heater that requires 4" venting. This can be used for Reznor UDX30-125 power vented unit heaters. This venting requires 3” clearance to combustibles. Always check your local codes before ... Saf-T Vent® Model EZ Seal/EZ 316 . Single Wall . Gas Vent Connector . Chimney Liner & Special Gas Vent (USA) / Type BH Vent Class I/II (Canada) For Venting Residential, Commercial & Industrial Appliances . Category I, II, III & IV Appliances . 3”-5” Diameter Vent for use on Positive, Neutral and Negative . Pressures up to 9” W.C.Category 1 vertical 4 in vent kit for use with Mr. Heater Big Maxx or Heatstar by Enerco brand unit heaters ranging from 50,000, 80,000, and 125,000 BTUs. Includes: 4 in x 36 in B-vent pipe, two 4 in x 24 in vent pipe, 4 in 90-degree elbow, roof flashing, storm collar, vent cap, and gas vent fire stop spacer Please call our Service Department at 1-800-251-0001, where our technicians will gladly assist you. To order Service Parts in Canada, you may use the schematic tool to find the correct item numbers but must go to Lion Cove Parts to place your order. Mr. Heater MHVFB20NGT Vent-Free 20,000 BTU Blue Flame Natural Gas Heater + Mr. Heater F299201 Vent-Free Blower Accessory Kit (2016 - present) 1. $27999. FREE delivery Jul 20 - 24. Only 4 left in stock - order soon. More Buying Choices.Electric & Space Heaters Natural Gas & Propane. MR. HEATER Big Maxx Natural Gas Garage & Workshop Heater - with Propane Conversion Kit, 50,000 BTU. 7 Reviews. Item: #5530-808. Model: #F2-60550. Saf-T Vent® Model EZ Seal/EZ 316 . Single Wall . Gas Vent Connector . Chimney Liner & Special Gas Vent (USA) / Type BH Vent Class I/II (Canada) For Venting Residential, Commercial & Industrial Appliances . Category I, II, III & IV Appliances . 3”-5” Diameter Vent for use on Positive, Neutral and Negative . Pressures up to 9” W.C. Mr. Heater. 30,000 BTU Vent Free Blue Flame Natural Gas Heater. Add to Cart. Compare. Exclusive. More Options Available $ 239. 00 (236) Model# MHC125FAV. Mr. Heater. Category 1 vertical 4 in vent kit for use with Mr. Heater Big Maxx or Heatstar by Enerco brand unit heaters ranging from 50,000, 80,000, and 125,000 BTUs. Includes: 4 in x 36 in B-vent pipe, two 4 in x 24 in vent pipe, 4 in 90-degree elbow, roof flashing, storm collar, vent cap, and gas vent fire stop spacerCategory III 6in Horizontal Vent Kit. SKU. F102861. Category III 6in Horizontal Vent Kit for use with 50,000-200,000 BTU Unit Heaters.Mr Heater 4in Stainless Steel Horizontal Vent Kit. SKU# F102860. In Stock (Ships in 3-5 business days) Made In USA. Free Shipping (Ground shipping to lower 48) Low Price Guarantee. $324.99. List: $593.42. (Max. order of 1,000) Jul 13, 2013 · You looking to find the "Mr. Heater 4 Inch Horizontal Vent Kit for Big Maxx MHU45LP, MHU45NG, MHU75LP and MHU75NG Unit Heaters #F102845" Good news! You can purchase Mr. Heater 4 Inch Horizontal Vent Kit for Big Maxx MHU45LP, MHU45NG, MHU75LP and MHU75NG Unit Heaters #F102845 with secure price and compare to view update price on this product. Arrives by Tue, Dec 27 Buy Mr. Heater 4 Inch Horizontal Vent Kit for Big Maxx MHU45LP, MHU45NG, MHU75LP and MHU75NG Unit Heaters #F102845 at Walmart.com FREE shipping by Christmas. Order by 12/21 at 2pm & get gifts in time. $35 min. Restrictions apply.Shop Mr. Heater Big Maxx 4-in Horizontal Residential Adapter, B-Vent Pipe, Vent Pipe, Elbow, Wall Thimble, Roof Flashing, Storm Collar, Vent Cap at Lowe's.com. New cat III SS sealed 4-in horizontal ducting for unit heaters. Product Details. 4" Horizontal Stainless Steel Z-Vent Wall Hung Water Heater Vent Kit for horizontal installation of Eccotemp 45HI and EL22i Series indoor water heaters.Used to drain condensate from the vent system, high temperature drain tube kit sold separately.Low resistance rain cap is designed to terminate a vertical stack and prevent the ... Saf-T Vent® Model EZ Seal/EZ 316 . Single Wall . Gas Vent Connector . Chimney Liner & Special Gas Vent (USA) / Type BH Vent Class I/II (Canada) For Venting Residential, Commercial & Industrial Appliances . Category I, II, III & IV Appliances . 3”-5” Diameter Vent for use on Positive, Neutral and Negative . Pressures up to 9” W.C.HEATER. #5530-039. 3" - 4" Vertical Vent Kit (2) MR. HEATER. #5530-810. 1 Page 1 of 1. When you have to or want to work in an outbuilding in the depths of winter, you won’t last long without a heating source. Enerco’s Mr. Heater brand has been developing innovative heaters since 1984, becoming one of North America’s most popular brands. Mr. Heater 4 Inch Horizontal Vent Kit for Big Maxx MHU45LP, MHU45NG, MHU75LP and MHU75NG Unit Heaters #F102845 Mr. Heater F260550 Big Maxx MHU50NG Natural Gas Unit Heater,Black Mr. Heater F271239 One-Stop Universal Gas-Appliance Hook-Up Kit,Small Aug 28, 2023 · SS HORIZONTAL VENT KIT Model # F102860. by MR. HEATER. Item # 445726. UPC: 00089301028609. $499.99. In-store price may vary from online price. Not all products available at all stores. Free Ship-to-Store. This kit includes one 3in. to 4in. adapter, one 4in. x 6-19in. adjustable length pipe, one 4in. x 12in. vent pipe, one 4in. 45 degree elbow, one 4in. square wall thimble, one 4in. screened termination tee, four sheet metal screws, and a 2.8 fl oz of high temperature silicone. Stainless Steel, it meets new 2012 standards. INCLUDES Horizontal Unit Heater Vent Material List. Model Number: 6955535 Menards ® SKU: 6955535. Everyday Low Price. $275.94. 11% Mail-In Rebate Good Through 8/27/23. $30.35. Final Price $ 245 59. each.Unvented LP-Gas Vent Free Room Heaters 4 Installation Instructions and Owner’s Manual Product Features Figure 1 SAFETY DEVICE This heater has a pilot with an Oxygen Depletion Sen-sor (ODS) safety shut off system. The ODS/pilot shuts off the heater if there is not enough fresh air. IGNITION SYSTEM – The heater is equipped with an electronic ... Mr. Heater Big Maxx 50,000 BTU Natural Gas Unit Heater with Propane Conversion Kit. 0.0. (0) $928.99. Mr. Heater Big Maxx 80,000 BTU Natural Gas Unit Heater with Propane Conversion Kit. 4.0. (2) $927.99. Mr. Heater Big Maxx Unit Heater Fuel Conversion Kit, LP to NG.The Z-Flex 4 Inch Horizontal Vent Kit in stainless steel contains the basic components required to vent a tankless water heater through an outside wall. A back-flow preventer is included for cold climates to help prevent freezing of the water heaters internal piping during cold weather. Includes: 4-in diam. Termination Hood, 4-in diam. x 90 Degree Elbow, 4-in diam. x 1-ft Straight Pipe, 4-in ... Mr. Heater. Vertical Vent Kit for Unit Heaters ... 40000 BTU High Intensity Radiant Workshop Heater. Add to Cart. Compare. New $ 366 06. Mr. Heater. Horizontal Vent ... Mr. Heater Universal 4-in Vent Kit Item # 46677 Model # F202858 Get Pricing and Availability Use Current Location Universal ventilation kit for the Mr. Heater Big Maxx garage heater Adapter included for compatibility with 3" pipe This item is no longer sold on Lowes.com60607 Ship to Store Sep 1 - Sep 5 338 available FREE Delivery Friday, Sep 1 338 available FREE Add to Cart or Buy now with Product Details 4 in. Stainless Steel Horizontal Vent Kits are designed to fit the MHU75, HSU75, MHU80 and HSU80 model unit heaters. Designed for vertical installation only.Mr Heater horizontal 4 Inch stainless steel vent kit for Mr Heater unit heaters. Includes: 1, 3inch to 4inch adapter, 1- 4x36inch B-vent pipe, 2- 4x24inch vent pipe, 1- 4inch 90-degree elbow, wall thimble, roof flashing, storm collar, vent capHEATER. #5530-039. 3" - 4" Vertical Vent Kit (2) MR. HEATER. #5530-810. 1 Page 1 of 1. When you have to or want to work in an outbuilding in the depths of winter, you won’t last long without a heating source. Enerco’s Mr. Heater brand has been developing innovative heaters since 1984, becoming one of North America’s most popular brands. The Big Maxx Forced Air Unit Heater is efficient and effective convection heat for your garage or workshop for residential or commercial use. 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. The heaters use a built-in electric high velocity ...F273868 - Horizontal Vent Propane Two Stage Regulator|1/4in Female Pipe Thread ... COPYRIGHT MR. HEATER 2020. Enerco Group Inc / Mr. Heater 4560 West 160th St. Sep 4, 2023 · Heatfab is the leading manufacturer of high quality venting systems for special gas vent applications, specified by OEM's for over 20 years. Time-tested installations thoughout North America and globally. Our Saf-T Vent® line of products are perfect for your commercial and industrial needs. ANSI Category I, II, III, and IV appliances: boilers, water heaters and furnaces. Arrives by Tue, Dec 27 Buy Mr. Heater 4 Inch Horizontal Vent Kit for Big Maxx MHU45LP, MHU45NG, MHU75LP and MHU75NG Unit Heaters #F102845 at Walmart.com FREE shipping by Christmas. Order by 12/21 at 2pm & get gifts in time. $35 min. Restrictions apply. Horizontal Unit Heater Vent Material List. Model Number: 6955535 Menards ® SKU: 6955535. Everyday Low Price. $275.94. 11% Mail-In Rebate Good Through 8/27/23. $30.35. Final Price $ 245 59. each.Mr. Heater Universal 4-in Vent Kit Item # 46677 Model # F202858 Get Pricing and Availability Use Current Location Universal ventilation kit for the Mr. Heater Big Maxx garage heater Adapter included for compatibility with 3" pipe This item is no longer sold on Lowes.com The Big Maxx Forced Air Unit Heater is efficient and effective convection heat for your garage or workshop for residential or commercial use. 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. The heaters use a built-in electric high velocity ...Features. This is a horizontal concentric venting kit designed for use with Modine gas fired unit heaters. The kit includes a concentric vent kit adapter box for arranging the tubing properly, as well as both vent and combustion air pipe terminals.Final Price $ 489 49. each. You Save $60.50 with Mail-In Rebate. Ceiling-mounted forced air unit heater turns garages, barns, and workshops into heated workspaces. 80,000 BTUs heat up to 2,667 sq ft, or approximately a 3 or 4-car garage. Ships as natural gas; includes natural gas to propane conversion kit. View More Information. Mr Heater 4in Stainless Steel Horizontal Vent Kit. SKU# F102860. In Stock (Ships in 3-5 business days) Made In USA. Free Shipping (Ground shipping to lower 48) Low Price Guarantee. $324.99. List: $593.42. (Max. order of 1,000)Car Heater Duct Vent,75mm Car Diesel Heater Pipe Ducting Warm Air Vent Outlet Kits Y/T-Shaped Tee Telescopic Hose Extendable Parking Vent Hose for Webasto Eberspacher Propex (T-Tube kit) 8. $3199. FREE delivery Tue, Jul 25. Only 5 left in stock - order soon.Category 1 vertical 4 in vent kit for use with Mr. Heater Big Maxx or Heatstar by Enerco brand unit heaters ranging from 50,000, 80,000, and 125,000 BTUs. Includes: 4 in x 36 in B-vent pipe, two 4 in x 24 in vent pipe, 4 in 90-degree elbow, roof flashing, storm collar, vent cap, and gas vent fire stop spacer This simple kit includes a variety of venting options that will be enough for most users. This kit is intended for horizontal venting of a power vented unit heater that requires 4" venting. This can be used for Reznor UDX30-125 power vented unit heaters. This venting requires 3” clearance to combustibles. Always check your local codes before ... Mr. Heater 4 inch Stainless Steel Horizontal Vent Kit for Big Maxx MHU50 and MHU80 Unit Heaters, One Size, Metal 4.2 out of 5 stars 169 7 offers from $374.99Jul 13, 2013 · You looking to find the "Mr. Heater 4 Inch Horizontal Vent Kit for Big Maxx MHU45LP, MHU45NG, MHU75LP and MHU75NG Unit Heaters #F102845" Good news! You can purchase Mr. Heater 4 Inch Horizontal Vent Kit for Big Maxx MHU45LP, MHU45NG, MHU75LP and MHU75NG Unit Heaters #F102845 with secure price and compare to view update price on this product. Shop 1 mr heater horizontal vent kit at Northern Tool + Equipment. Skip to content. Support. Close. Help; Sales 1-800-221-0516. Customer Care 1-800-222-5381. Chat ... Mr. Heater Universal 4-in Vent Kit Item # 46677 Model # F202858 Get Pricing and Availability Use Current Location Universal ventilation kit for the Mr. Heater Big Maxx garage heater Adapter included for compatibility with 3" pipe This item is no longer sold on Lowes.comNOW. $307.93. Quantity Available: 2. Date Added: 6/12/2023. Location: RACINE. Stainless steel vent kit for Mr. Heater. To purchase this item contact the Plumbing department at the Menards ® RACINE store in person. Questions about this item can be answered by e-mail. Bargain items are NOT available for online purchase.Oct 14, 2015 · Features. This is a horizontal concentric venting kit designed for use with Modine gas fired unit heaters. The kit includes a concentric vent kit adapter box for arranging the tubing properly, as well as both vent and combustion air pipe terminals. Item # 444941 Model # F102860 Mr. Heater Big Maxx 4-in Horizontal Residential Adapter, B-Vent Pipe, Vent Pipe, Elbow, Wall Thimble, Roof Flashing, Storm Collar, Vent Cap Out of Stock Overview Specifications Reviews Q&A Get Pricing and Availability Use Current LocationShop 2 horizontal vent kit at Northern Tool + Equipment. ... Mr. Heater Category 3 Horizontal Stainless Steel Vent Kit, Model# F10286 — 6in. Dia., for Models MHU250 ...11% Mail-In Rebate Good Through 9/4/23. $47.19. Final Price $ 381 81. each. You Save $47.19 with Mail-In Rebate. Ceiling-mounted forced air unit heater turns garages, barns, and workshops into heated workspaces. 50,000 BTUs heat up to 1,250 sq ft, or approximately a 3-car garage. Ships as natural gas; includes natural gas to propane conversion kit..