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.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.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 university faqs and product data ... vent free. cabinet. forced air propane ... portable oil-fired. portable radiant. dual lp tank hook-up kit. learn more ... 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 Black Freestanding Installation Kitundefined at Lowe's.com. 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 stageShop 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 TEMPWARE Electric Garage Heater, 7500-Watt Digital Fan-Forced Ceiling Mount Shop Heater with Full-Function Remote, 240-Volt Hardwired Heater with 12-Hour Timer, Ideal for Workshop. 4.5 out of 5 stars. 457. $158.99. $158.99. This item: Mr. Heater MHU125NG NG 125K BTU Unit Heater, Multi. 4.4 out of 5 stars. 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 ...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/adjustmentSE 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/adjustmentMr 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)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. We would like to show you a description here but the site won’t allow us.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 ...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.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 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 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 ... We would like to show you a description here but the site won’t allow us.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. DuraVent Gray 3-in pellet vent kit. 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.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 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 ... 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. 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.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 III 6in Horizontal Vent Kit. SKU. F102861. Category III 6in Horizontal Vent Kit for use with 50,000-200,000 BTU Unit Heaters. find a distributor.Buy Mr. Heater F260550 Big Maxx MHU50NG Natural ... Powered exhaust allows for vertical or horizontal venting ... Mr. Heater F299201 Vent-Free Blower Accessory Kit ...Find all Mr. Heater products across all departments at Lowe's. Choose free shipping or pick up in store today!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. 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. Other select parts may be required for your installation needs.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 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.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. Buy Mr. Heater 4 in. Stainless Steel Horizontal Vent Kit at Tractor Supply Co. Great Customer Service.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 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.We would like to show you a description here but the site won’t allow us. DuraVent Gray 3-in pellet vent kit. 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.Join Neighbor's Club. Order Status. Tractor Supply App. Gift Cards. Earn Rewards Faster with a TSC Card! Credit Center. My Pet. Life Out Here Blog. Shop.We would like to show you a description here but the site won’t allow us.Category III 6in Horizontal Vent Kit. SKU. F102861. Category III 6in Horizontal Vent Kit for use with 50,000-200,000 BTU Unit Heaters. find a distributor.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. SKU. F102861. Category III 6in Horizontal Vent Kit for use with 50,000-200,000 BTU Unit Heaters. find a distributor.Shop Mr. Heater Big Maxx Silver Wall-mounted Garage Heater Vent Kit in the Gas Space Heater Accessories department at Lowe's.com. 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, andShop Mr. Heater Enerco Horizontal Vent Kit - 4-in - Stainless Steel at Lowe's Canada online store. Find Shop & Garage Heaters at lowest price guarantee.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.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. 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 Natural ... Powered exhaust allows for vertical or horizontal venting ... Mr. Heater F299201 Vent-Free Blower Accessory Kit ...TEMPWARE Electric Garage Heater, 7500-Watt Digital Fan-Forced Ceiling Mount Shop Heater with Full-Function Remote, 240-Volt Hardwired Heater with 12-Hour Timer, Ideal for Workshop. 4.5 out of 5 stars. 457. $158.99. $158.99. This item: Mr. Heater MHU125NG NG 125K BTU Unit Heater, Multi. 4.4 out of 5 stars. Buy Mr. Heater F260550 Big Maxx MHU50NG Natural ... Powered exhaust allows for vertical or horizontal venting ... Mr. Heater F299201 Vent-Free Blower Accessory Kit ...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. Category III 4in Stainless Steel Horizontal Vent Kit. SKU. F102860. Category III 4in Stainless Steel Horizontal Vent Kit for use with 50,000-200,000 BTU Unit Heaters. find a distributor.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 ... 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 ...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. Other select parts may be required for your installation needs.Buy Mr. Heater 4 in. Stainless Steel Horizontal Vent Kit at Tractor Supply Co. Great Customer Service.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 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. Buy Mr. Heater F260550 Big Maxx MHU50NG Natural ... Powered exhaust allows for vertical or horizontal venting ... Mr. Heater F299201 Vent-Free Blower Accessory Kit ...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 ... 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. 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.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 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.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 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. 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 separatelyThis 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 ... 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. Other select parts may be required for your installation needs.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. Other select parts may be required for your installation needs. 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 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.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. Other select parts may be required for your installation needs. 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.6. Mr. Heater. Propane Heaters 3000-BTU Indoor/Outdoor Portable Radiant Propane Heater. Model # F209150. Find My Store. for pricing and availability. Mr. Heater. Buddy FLEX 11000-BTU Outdoor Portable Radiant Propane Heater. Model # F600100.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. 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 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 Mr. Heater 80000-BTU Forced-air Garage Heater (Propane or Natural Gas)undefined at Lowe's.com. The Mr. Heater Big Maxx 80,000 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. How to hide the emperor
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.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 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.Shop 25 mr heater horizontal vent kit at Northern Tool + Equipment. ... DuraVent Vent Unit Heater Kit — 4in. Horizontal, Model# 810006013 Reg. $ 444. 99. Sale ...Join Neighbor's Club. Order Status. Tractor Supply App. Gift Cards. Earn Rewards Faster with a TSC Card! Credit Center. My Pet. Life Out Here Blog. Shop. 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)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 Buy Mr. Heater Category 3 Horizontal 4 in. Vent Kit at Tractor Supply Co. Great Customer Service.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 F260550 Big Maxx MHU50NG Natural Gas Unit Heater,Black. ... DuraVent Vent Unit Heater Kit - 4in. Horizontal, Model# 4UHK-KVNT. Share: Found a lower price ...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 ... 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 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.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 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 ... 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.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.Product Overview Description. 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..