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.Shop mr. heater category 3 horizontal 6 in vent kit for big maxx heaters in the pellet stoves section of Lowes.com 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.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 ...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. 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!Easily hook up your Mr. Heater Vent Free heater to a bulk propane tank using the Remote Propane Vent Free Installation Kit. The kit features a 2 stage regulator, hand wheel, 12 ft hose assembly, 3/8 in. MP x 3/8 in. MF Fitting, and a 3/8 in. Female thread x 3/8 in. Male Street Elbow. 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) 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! 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 ... Shop Mr. Heater 50000-BTU Convection Garage Heater (Natural Gas)undefined at Lowe's.com. 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 Mr. Heater Black Freestanding Installation Kit. Easily hook up your Mr. Heater Vent Free heater to a bulk propane tank using the Remote Propane Vent Free Installation Kit. The kit features a 2 stage regulator, hand wheel, 12 ft hose assembly, 3/8 in. MP x 3/8 in. MF Fitting, and a 3/8 in. Female thread x 3/8 in. Male Street Elbow.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 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 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. 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.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. 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 ... Find all Mr. Heater products across all departments at Lowe's. Choose free shipping or pick up in store today!19. Lambro. Rigiflex Outdoor Exhaust Dryer Vent Kit. Model # 1790027. Find My Store. for pricing and availability. 61. IMPERIAL. Indoor Hook-Up Dryer Vent Kit.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 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. 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 Modine Hot Dawg 45,000 BTU Natural Gas Garage Ceiling Heater features a compact, low-profile design great for installing in locations where space is limited. This heater surface mounts to the ceiling and accommodates piping from the left or right side for versatility. Produces up to 45,000 BTU/hour to keep you warm and comfortable on cold ... 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. 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 30000 BTU Vent Free Radiant 20# Propane Indoor Space Heater (51) ... Mr. Heater F102860 4" Stainless Steel Horizontal Vent Kit for Big Maxx Heaters.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. 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.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 800.472.3292Jun 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. Description. 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 ...Jun 14, 2023 · NOW. $89.99. Quantity Available: 1. Date Added: 6/14/2023. Location: RACINE. Vertical Exhaust kit for a Big Maxx garage 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. Find many great new & used options and get the best deals for 4"Vertical Venting Kit Mr. Heater,Big Maxx , Hot Dawg, modine gas heater vent at the best online prices at eBay! Free shipping for many products!May 31, 2022 · Horizontally venting a garage heater is a simple process. First, find the spot on the wall where you want to install the vent. Next, use a level to make sure the vent will be installed level. Then use a drill and hole saw to cut the hole in the wall. Finally, install the vent and attach it to the heater. HE and HE+ non-condensing horizontal termination vent kit. For use with Rinnai high efficiency Tankless water heaters. Concentric venting reduces install time and costs, allows for secure connection and ease of assembly/adjustment Shop Mr. Heater Silver Wall-mounted Garage Heater Vent Kit in the Gas Space Heater Accessories department at Lowe's.com. The category 1 vertical 6-in vent kit provides class 1 single wall B-vent ducting for Mr. Heater Big Maxx and Heatstar unit heaters, ranging from 250,000 toFinal 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.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. 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.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.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. Shop 25 mr heater horizontal vent kit at Northern Tool + Equipment. ... DuraVent Vent Unit Heater Kit — 4in. Horizontal, Model# 810006013 Reg. $ 444. 99. Sale ...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. 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 ... Shop 25 mr heater horizontal vent kit at Northern Tool + Equipment. ... DuraVent Vent Unit Heater Kit — 4in. Horizontal, Model# 810006013 Reg. $ 444. 99. Sale ... 19. Lambro. Rigiflex Outdoor Exhaust Dryer Vent Kit. Model # 1790027. Find My Store. for pricing and availability. 61. IMPERIAL. Indoor Hook-Up Dryer Vent Kit.Sep 26, 2021 · Find many great new & used options and get the best deals for 4"Vertical Venting Kit Mr. Heater,Big Maxx , Hot Dawg, modine gas heater vent at the best online prices at eBay! Free shipping for many products! Overview. Kit includes: round horizontal cap, 90° elbow, wall strap, five 12” pipe lengths, tee with clean-out tee cap, wall thimble, appliance adapter. 4” kit includes a 3”-4” appliance adapter/increaser. DuraVent’s PelletVent installation kits include all the parts you need foray “out” through-the-wall style installation.HE and HE+ non-condensing horizontal termination vent kit. For use with Rinnai high efficiency Tankless water heaters. Concentric venting reduces install time and costs, allows for secure connection and ease of assembly/adjustment Mr Heater Big Maxx Natural Gas Unit Heater With Ng To Lp Conversion Kit 80,00... Sponsored. $757.99. $1,174.47. Free shipping.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 800.472.3292Sep 26, 2021 · Find many great new & used options and get the best deals for 4"Vertical Venting Kit Mr. Heater,Big Maxx , Hot Dawg, modine gas heater vent at the best online prices at eBay! Free shipping for many products! Sep 26, 2021 · Find many great new & used options and get the best deals for 4"Vertical Venting Kit Mr. Heater,Big Maxx , Hot Dawg, modine gas heater vent at the best online prices at eBay! Free shipping for many products! This euro-styled design provides a modern take on a traditional pellet stove heater and delivers perfect heating performance while saving you money. The AP5000 wall mounted pellet stove heater has a direct vent design avoiding the typical chimney installs of a traditional pellet stove. Best of all, everything needed is included in the box. 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. 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) 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 ...Shop Mr. Heater at Lowe's Canada online store. Compare products, read reviews & get the best deals! ... Mr. Heater Enerco Vertical Vent Kit - 4-in - Aluminum. Item ... 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. 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.Easily hook up your Mr. Heater Vent Free heater to a bulk propane tank using the Remote Propane Vent Free Installation Kit. The kit features a 2 stage regulator, hand wheel, 12 ft hose assembly, 3/8 in. MP x 3/8 in. MF Fitting, and a 3/8 in. Female thread x 3/8 in. Male Street Elbow.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. Shop Mr. Heater Silver Wall-mounted Garage Heater Vent Kit in the Gas Space Heater Accessories department at Lowe's.com. The category 1 vertical 6-in vent kit provides class 1 single wall B-vent ducting for Mr. Heater Big Maxx and Heatstar unit heaters, ranging from 250,000 toThe 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. This Modine Hot Dawg 45,000 BTU Natural Gas Garage Ceiling Heater features a compact, low-profile design great for installing in locations where space is limited. This heater surface mounts to the ceiling and accommodates piping from the left or right side for versatility. Produces up to 45,000 BTU/hour to keep you warm and comfortable on cold ...Shop Mr. Heater at Lowe's Canada online store. Compare products, read reviews & get the best deals! ... Mr. Heater Enerco Vertical Vent Kit - 4-in - Aluminum. Item ... 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 ... 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! Most durable, longest lasting, and lowest maintenance vent system available for Mr. Heater, Modine Hot Dawg, Dayton, Reznor, and other brands of gas unit heaters. Garage / Shop Heater Vent Kit Includes For structures with an exterior wall at least 4" thick. Adjustable length. (1) heater adapter, (1) termination tee, (2) 12" vent pipes, and (1 ...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 entrance of debris or rain in to the vent, it also provides low ...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 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)This euro-styled design provides a modern take on a traditional pellet stove heater and delivers perfect heating performance while saving you money. The AP5000 wall mounted pellet stove heater has a direct vent design avoiding the typical chimney installs of a traditional pellet stove. Best of all, everything needed is included in the box. HE and HE+ non-condensing horizontal termination vent kit. For use with Rinnai high efficiency Tankless water heaters. Concentric venting reduces install time and costs, allows for secure connection and ease of assembly/adjustmentShop Mr. Heater Silver Wall-mounted Garage Heater Vent Kit in the Gas Space Heater Accessories department at Lowe's.com. The category 1 vertical 6-in vent kit provides class 1 single wall B-vent ducting for Mr. Heater Big Maxx and Heatstar unit heaters, ranging from 250,000 to May 31, 2022 · Horizontally venting a garage heater is a simple process. First, find the spot on the wall where you want to install the vent. Next, use a level to make sure the vent will be installed level. Then use a drill and hole saw to cut the hole in the wall. Finally, install the vent and attach it to the heater. 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.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. 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.SE and SE+ condensing horizontal termination vent kit. For use with Rinnai super high efficiency Tankless water heaters. Concentric venting reduces install time and costs, allows for secure connection and ease of assembly/adjustment
Find many great new & used options and get the best deals for 4"Vertical Venting Kit Mr. Heater,Big Maxx , Hot Dawg, modine gas heater vent at the best online prices at eBay! Free shipping for many products!. Shellwso
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.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. Sep 26, 2021 · Find many great new & used options and get the best deals for 4"Vertical Venting Kit Mr. Heater,Big Maxx , Hot Dawg, modine gas heater vent at the best online prices at eBay! Free shipping for many products! 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 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 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 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)May 31, 2022 · Horizontally venting a garage heater is a simple process. First, find the spot on the wall where you want to install the vent. Next, use a level to make sure the vent will be installed level. Then use a drill and hole saw to cut the hole in the wall. Finally, install the vent and attach it to the heater. 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 separatelyShop Mr. Heater Big Maxx 4-in Horizontal Residential Adapter, B-Vent Pipe, Vent Pipe, Elbow, Wall Thimble, Roof Flashing, Storm Collar, Vent Capundefined at Lowe's.com. New cat III SS sealed 4-in horizontal ducting for unit heaters.Purchase. per foot slope of horizontal run of vent pipe. Joining the sections are simple, which is how this got up to 2 stars. When you want to 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. Shop Mr. Heater Enerco Horizontal Vent Kit - 4-in - Stainless Steel at Lowe's Canada online store. Find Shop & Garage Heaters at lowest price guarantee.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 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 ...Shop Amazon for Mr. Heater 4 Inch Horizontal Vent Kit for Big Maxx MHU45LP, MHU45NG, MHU75LP and MHU75NG Unit Heaters #F102845 and find millions of items, delivered faster than ever. 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!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..