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 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. 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 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 ... 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. 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 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. 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 separatelyPurchase. 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.We would like to show you a description here but the site won’t allow us.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/adjustmentHongso 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 344Find 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!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.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! 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. 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) 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.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/adjustmentMr. 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. 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 ... 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.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 velocityMr. 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. 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)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.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.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 velocityMr. 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.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. Buy Mr. Heater 4 in. Stainless Steel Horizontal Vent Kit at Tractor Supply Co. Great Customer Service.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 Big Maxx Natural Gas Unit Heater With Ng To Lp Conversion Kit 80,00... Sponsored. $757.99. $1,174.47. Free shipping.We would like to show you a description here but the site won’t allow us.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) Shop mr. heater category 3 horizontal 6 in vent kit for big maxx heaters in the pellet stoves section of Lowes.com 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) 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.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. 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 ...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. 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. 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 ... 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 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 ... 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.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 Big Maxx Silver Wall-mounted Garage Heater Vent Kit. The category 1 vertical 4 in vent kit provides class 1 single wall B-vent ducting for Mr. Heater Big Maxx unit heaters, ranging from 50,000, 80,000, and 125,000 BTUs. Complies with US standard (UL441) and Canadian standard (S605). Designed for vertical installation only. Category 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.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 ...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. 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. 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 800.472.3292Shop Mr. Heater Enerco Horizontal Vent Kit - 4-in - Stainless Steel at Lowe's Canada online store. Find Shop & Garage Heaters at lowest price guarantee.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.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 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.We would like to show you a description here but the site won’t allow us.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. 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.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.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.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. 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.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/adjustmentFinal 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 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. 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 ... 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. 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.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 ... 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. 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. 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. 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 ... 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 30000 BTU Vent Free Radiant 20# Propane Indoor Space Heater (51) ... Mr. Heater F102860 4" Stainless Steel Horizontal Vent Kit for Big Maxx Heaters.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 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. 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.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 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). Lesbian foot fetish
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 university faqs and product data ... vent free. cabinet. forced air propane ... portable oil-fired. portable radiant. dual lp tank hook-up kit. learn more ...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 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.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)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.Shop mr. heater category 3 horizontal 6 in vent kit for big maxx heaters in the pellet stoves section of Lowes.com 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/adjustmentPay 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. 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..