I show you how I mounted this Mr. Heater MHU50 Big Maxx 50,000 BTU Gas Heater, and then vent it out the end wall. ... I show you how I mounted this Mr. Heater MHU50 Big Maxx 50,000 BTU Gas Heater ...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. 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 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. Features. Made of AL29-4C® super-ferritic stainless steel. Built-in high temp silcone gaskets for air tight seal. Built-in locking band to insure a secure fit (no hardware needed) UL1738 approved for category 3 venting applications. Limited lifetime warranty. Item # 465010, 4650103, 4650105, 4650107, 4650108.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.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.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 Mr Heater 4In Stainless Steel Horizontal Vent Kit (6) ... (30) 30 product ratings - Mr. Heater Propane Vent-Free Radiant Wall Heater - 10,000 BTU, Model# MHVFR10LP. Jun 4, 2015 · Mr. Heater 4 inch Stainless Steel Horizontal Vent Kit for Big Maxx MHU50 and MHU80 Unit Heaters, One Size, Metal ... DuraVent Vent Unit Heater Kit - 4in. Horizontal ... 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!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.SKU F102860 Category III 4in Stainless Steel Horizontal Vent Kit for use with 50,000-200,000 BTU Unit Heaters find a distributor Download Prop 65 Statement Enerco California Prop 65 Statement (Size: 144.6 KB)FFXWTSF Portable AC Window Vent Kit 5.9” Coupler Adjustable Vertical Horizontal. $29.97. Free shipping. DuraVent Vent Unit Heater Kit — 4in. Horizontal, Model# 810006013 (Q-26)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. Hongso Replacement Vent-Free Wall Heater Fan, Vent Free Blower Accessory Kit for Mr. Heater, Dyna-Glo, Dyna-Glo 30,000 BTU, Comfort Glow Vent Free Heaters; All Components UL Listed 4.0 out of 5 stars 344 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. Mr. Heater 4 Inch Horizontal Vent Kit for Big Maxx MHU45LP, MHU45NG, MHU75LP and MHU75NG Unit Heaters #F102845 F102845 vent kit Used for horixontal venting on MHU45 heaters Used for horixontal venting on MHU75 heaters Maintains proper clearances through combustible construction May require additional parts to meet local codes The Mr. Heater 4 Horizontal VentMr. Heater F299201 Vent-Free Blower Accessory Kit (2016-present), Multi. $382.06. Mr. Heater 4 inch Stainless Steel Horizontal Vent Kit for Big Maxx MHU50 and MHU80 Unit Heaters. $149.99. Mr. Heater Vent Free Blower Fan Kit with 12Ft Regulator Accessory Kit Bundle. Add. $83.87. Mr. Heater 12 ft. Remote Propane Installation Kit for Vent Free Units. 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. Category III 6in Horizontal Vent Kit. SKU. F102861. Category III 6in Horizontal Vent Kit for use with 50,000-200,000 BTU Unit Heaters.Jan 19, 2023 · Mr Heater Big Maxx Natural Gas Unit Heater With Ng To Lp Conversion Kit 80,00... Sponsored. $757.99. $1,174.47. Free shipping. Pay in 4 interest-free installments of $28.75 with. Learn more. Free sitewide shipping over $99*. Low price guarantee*. Safely exhaust your power vented gas-fired heater with our easy-to-use horizontal vent kit. Each kit contains 4 - 2ft. length of vent pipe, a corrosion resistant galvanized steel vent cap, wall thimble. 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 spacerProduct 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 ... 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 LocationThis 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 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. 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.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.Product Info for Mr. Heater Horizontal 4inch Vent Kit. The Horizontal 4" Vent Kit is for Mr. Heater Big Maxx MHU50, MHU80 & MHU125 models. Complies with Canadian Standard (S636) & US Standard (UL1738). For horizontal installation only. Includes: 4" x 6"-19" adjustable pipe, 4" x 12" vent pipe, 4" 45 elbow, 4" wall thimble, 4" termination tee, 4 ...Power exhaust allows for vertical or horizontal venting; Designed for right or left side piping, electrical and flue connections by simply rotating 180° Tubular heat exchanger and spark ignition; 6 Amp draw; Horizontal venting kit, Item# 29794, and vertical venting kit sold separately; Thermostat sold separately — Item# 173641 ; Includes LP ... 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 ... FFXWTSF Portable AC Window Vent Kit 5.9” Coupler Adjustable Vertical Horizontal. $29.97. Free shipping. DuraVent Vent Unit Heater Kit — 4in. Horizontal, Model# 810006013 (Q-26)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 ... Mr. Heater 4 Inch Horizontal Vent Kit for Big Maxx MHU45LP, MHU45NG, MHU75LP and MHU75NG Unit Heaters #F102845 F102845 vent kit Used for horixontal venting on MHU45 heaters Used for horixontal venting on MHU75 heaters Maintains proper clearances through combustible construction May require additional parts to meet local codes The Mr. Heater 4 Horizontal VentFeatures. Made of AL29-4C® super-ferritic stainless steel. Built-in high temp silcone gaskets for air tight seal. Built-in locking band to insure a secure fit (no hardware needed) UL1738 approved for category 3 venting applications. Limited lifetime warranty. Item # 465010, 4650103, 4650105, 4650107, 4650108.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.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.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 ...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. 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.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 $374.99Category 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 spacerHorizontal 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.Product Info for Mr. Heater Horizontal 4inch Vent Kit. The Horizontal 4" Vent Kit is for Mr. Heater Big Maxx MHU50, MHU80 & MHU125 models. Complies with Canadian Standard (S636) & US Standard (UL1738). For horizontal installation only. Includes: 4" x 6"-19" adjustable pipe, 4" x 12" vent pipe, 4" 45 elbow, 4" wall thimble, 4" termination tee, 4 ...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.Includes- 1/3 in. to 4 in. adapter, 1/4 in. x 36 in. B-vent pipe, 2/4 in. x 24 in. vent pipe, 1/4 in. 90° elbow, wall thimble, roof flashing, storm collar, vent cap; For use with unit heaters; Stainless steel meets new 2012 standards; All parts for horizontal venting; Return Policy Mr. Heater. Contractor 125,000 BTU Forced Air Propane Space Heater with 10 ft. Hose and Regulator ... Mr. Heater. 30,000 BTU Vent Free Blue Flame Natural Gas Heater ... 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)Buy Mr. Heater 4 in. Category 1 Vertical Vent Kit at Tractor Supply Co. Great Customer Service. 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 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 capCategory 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 ... 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. 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.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. 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.Buy Mr. Heater Category 3 Horizontal 4 in. Vent Kit at Tractor Supply Co. Great Customer Service. 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 ... Category I 4in Vertical Vent Kit. SKU. F102848. Category I 4in Vertical Vent Kit for use with 50,000-200,000 BTU Unit Heaters. find a distributor.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. Mr. Heater 30000 BTU Vent Free Radiant 20# Propane Indoor Space Heater (51) ... Mr. Heater F102860 4" Stainless Steel Horizontal Vent Kit for Big Maxx Heaters.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. 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. 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.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. Jan 19, 2023 · Mr Heater Big Maxx Natural Gas Unit Heater With Ng To Lp Conversion Kit 80,00... Sponsored. $757.99. $1,174.47. Free shipping. Mr. Heater 4 inch Stainless Steel Horizontal Vent Kit for Big Maxx MHU50 and MHU80 Unit Heaters [wrp asin="B008DBQNO0"] F102860 Features: -All parts for complete venting. -Adjustable elbow. Product Type: -Vent kit/Diffuser. Material: -Metal. Number of Items Included: -9. Pieces Included: -adapter, b-vent pipe, 2 vent pipes, 90 degree elbow, wall thimble, roof flashing, stormMr. Heater 4 inch Stainless Steel Horizontal Vent Kit for Big Maxx MHU50 and MHU80 Unit Heaters [wrp asin="B008DBQNO0"] F102860 Features: -All parts for complete venting. -Adjustable elbow. Product Type: -Vent kit/Diffuser. Material: -Metal. Number of Items Included: -9. Pieces Included: -adapter, b-vent pipe, 2 vent pipes, 90 degree elbow, wall thimble, roof flashing, stormBuy Mr. Heater 4 in. Category 1 Vertical Vent Kit at Tractor Supply Co. Great Customer Service.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 ...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.comMr. Heater F299201 Vent-Free Blower Accessory Kit (2016-present), Multi. $382.06. Mr. Heater 4 inch Stainless Steel Horizontal Vent Kit for Big Maxx MHU50 and MHU80 Unit Heaters. $149.99. Mr. Heater Vent Free Blower Fan Kit with 12Ft Regulator Accessory Kit Bundle. Add. $83.87. Mr. Heater 12 ft. Remote Propane Installation Kit for Vent Free Units.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.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.comThis 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 ...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 4 Inch Horizontal Vent Kit for Big Maxx MHU45LP, MHU45NG, MHU75LP and MHU75NG Unit Heaters #F102845 F102845 vent kit Used for horixontal venting on MHU45 heaters Used for horixontal venting on MHU75 heaters Maintains proper clearances through combustible construction May require additional parts to meet local codes The Mr. Heater 4 Horizontal Vent 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.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. Buy Mr. Heater F260550 Big Maxx MHU50NG ... Powered exhaust allows for vertical or horizontal venting ; ... Mr. Heater F299201 Vent-Free Blower Accessory Kit (2016 ...Jun 14, 2023 · NOW. $88.99. Quantity Available: 1. Date Added: 6/14/2023. Location: RACINE. 4" Vertical Exhaust Kit. 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. Category I 4in Vertical Vent Kit. SKU. F102848. Category I 4in Vertical Vent Kit for use with 50,000-200,000 BTU Unit Heaters. find a distributor.Features. Made of AL29-4C® super-ferritic stainless steel. Built-in high temp silcone gaskets for air tight seal. Built-in locking band to insure a secure fit (no hardware needed) UL1738 approved for category 3 venting applications. Limited lifetime warranty. Item # 465010, 4650103, 4650105, 4650107, 4650108.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.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.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.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 28 - Aug 1. Only 12 left in stock - order soon. More Buying Choices. $279.98 (2 new offers) Pay in 4 interest-free installments of $28.75 with. Learn more. Free sitewide shipping over $99*. Low price guarantee*. Safely exhaust your power vented gas-fired heater with our easy-to-use horizontal vent kit. Each kit contains 4 - 2ft. length of vent pipe, a corrosion resistant galvanized steel vent cap, wall thimble. 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. Mr. Heater 30000 BTU Vent Free Radiant 20# Propane Indoor Space Heater (51) ... Mr. Heater F102860 4" Stainless Steel Horizontal Vent Kit for Big Maxx Heaters.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. Jan 19, 2023 · Mr Heater Big Maxx Natural Gas Unit Heater With Ng To Lp Conversion Kit 80,00... Sponsored. $757.99. $1,174.47. Free shipping. Mr. Heater. Contractor 125,000 BTU Forced Air Propane Space Heater with 10 ft. Hose and Regulator ... Mr. Heater. 30,000 BTU Vent Free Blue Flame Natural Gas Heater ... F102860. Category III 4in Stainless Steel Horizontal Vent Kit for use with 50,000-200,000 BTU Unit Heaters. find a distributor. 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. .