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. 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 ... 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. 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 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.Mr Heater Big Maxx Natural Gas Unit Heater With Ng To Lp Conversion Kit 80,00... Sponsored. $757.99. $1,174.47. Free shipping.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 ... 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 ... 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. Mr. 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.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 ...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.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.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 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.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. 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.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. 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.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 ... F299201 - Vent Free Blower Fan Kit ... COPYRIGHT MR. HEATER 2020. Enerco Group Inc / Mr. Heater 4560 West 160th St. Cleveland, OH 44135. PHONE: 1 (800) 251-0001. The Mr. Heater Big Maxx 50,000 BTU unit heater will turn your garage or barn into a work space you can use all year-round. Uses a built-in high velocity electric fan to pull cool air in and across the heat exchanger, then forces warm, comfortable air out. Its low profile design requires only a 10 ft minimum ceiling height and 1 in mounting ...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. 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.Mr. Heater 4 Inch Horizontal Vent Kit for Big Maxx MHU45LP, MHU45NG, MHU75LP and MHU75NG Unit Heaters #F102845. 4.0 out of 5 stars 8. $559.65 $ 559. 65. FREE delivery ... 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 ... 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 VentPower 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 ... 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. 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. 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 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 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 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. 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 ... buy a garage heater, there are several features to look out for.. Mr. Heater 4 inch Stainless Steel Horizontal Vent Kit for Big Maxx MHU50 and MHU80 Unit Heaters From the Manufacturer. These stainless steel parts are designed to fit the MHU50 or MHU80 Big Maxx Garage Heaters. Reviewed in the United States on February 5, 2018.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 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.Buy Mr. Heater F260550 Big Maxx MHU50NG ... Powered exhaust allows for vertical or horizontal venting ; ... Mr. Heater F299201 Vent-Free Blower Accessory Kit (2016 ... Sep 4, 2023 · 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. 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 offers innovative technology and incomparable quality. The Mr. Heater 4 Inch Horizontal Vent Kit is made to be used with the Heatstar by Enerco or Mr. Heater Big Maxx Indirect Fired Unit Heater for horizontal venting.This kit is designed to fit the MHU75, HSU75, MHU80 and HSU80 model unit heaters. It is designed for vertical installation only. Other select parts may be required for ... 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 ...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.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 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 ... 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 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 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 capMr. 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 university faqs and product data ... vent free. cabinet. forced air propane ... portable oil-fired. portable radiant. dual lp tank hook-up kit. learn more ...Amazon.com: Mr. Heater 4 Inch Horizontal Vent Kit for Big Maxx MHU45LP, MHU45NG, MHU75LP and MHU75NG Unit Heaters #F102845 : Tools & Home Improvement Tools & Home Improvement › Building Supplies › HVAC › Heaters & Accessories $43093 FREE delivery Monday, September 11. Order within 18 hrs 31 mins. Details Select delivery location 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 $374.99Unvented 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 ... 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 ...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 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) 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 ... 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.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. Feb 10, 2020 · 80,000 BTU Natural Gas Unit Heater with LP Conversion Kit and Thermostat SKU: 8547085 Model : F260580 Vertical and horizontal vent kits are also on sale 4 in. Vertical Vent Kit SKU: 8164899 Price $89.97 4 in. Stainless-Steel Horizontal Vent Kit SKU: 8459042 Price $281.97 The Mr. Heater Big Maxx 50,000 BTU unit heater will turn your garage or barn into a work space you can use all year-round. Uses a built-in high velocity electric fan to pull cool air in and across the heat exchanger, then forces warm, comfortable air out. Its low profile design requires only a 10 ft minimum ceiling height and 1 in mounting ...F102860. Category III 4in Stainless Steel Horizontal Vent Kit for use with 50,000-200,000 BTU Unit Heaters. find a distributor. Mr Heater Big Maxx Natural Gas Unit Heater With Ng To Lp Conversion Kit 80,00... Sponsored. $757.99. $1,174.47. Free shipping.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. 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. Shop 25 mr heater horizontal vent kit at Northern Tool + Equipment. ... DuraVent Vent Unit Heater Kit — 4in. Horizontal, Model# 810006013 Reg. $ 444. 99. Sale ... Buy Mr. Heater F260550 Big Maxx MHU50NG ... Powered exhaust allows for vertical or horizontal venting ; ... Mr. Heater F299201 Vent-Free Blower Accessory Kit (2016 ...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 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. Buy Mr. Heater F260550 Big Maxx MHU50NG ... Powered exhaust allows for vertical or horizontal venting ; ... Mr. Heater F299201 Vent-Free Blower Accessory Kit (2016 ...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.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) $34999. Get it Wed, Oct 19 - Mon, Oct 24. FREE Shipping. 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 ... F299201 - Vent Free Blower Fan Kit ... COPYRIGHT MR. HEATER 2020. Enerco Group Inc / Mr. Heater 4560 West 160th St. Cleveland, OH 44135. PHONE: 1 (800) 251-0001.
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. Cnrgsaze
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 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 Shop 2 horizontal vent kit at Northern Tool + Equipment. ... Mr. Heater Category 3 Horizontal Stainless Steel Vent Kit, Model# F10286 — 6in. Dia., for Models MHU250 ...F102860. Category III 4in Stainless Steel Horizontal Vent Kit for use with 50,000-200,000 BTU Unit Heaters. find a distributor. Feb 10, 2020 · 80,000 BTU Natural Gas Unit Heater with LP Conversion Kit and Thermostat SKU: 8547085 Model : F260580 Vertical and horizontal vent kits are also on sale 4 in. Vertical Vent Kit SKU: 8164899 Price $89.97 4 in. Stainless-Steel Horizontal Vent Kit SKU: 8459042 Price $281.97 4 Horizontal Flue Kit - for HSU/MSU50 and HSU/MHU80 - F102860- 4 Horizontal Vent Kit For use with Mr Skip to Header Skip to Main Content Skip to Footer Call Us 800.472.3292 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. 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.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 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, stormThe 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. .