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 800.472.3292We would like to show you a description here but the site won’t allow us.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 ...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 $281.97Category 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.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. 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.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/adjustmentBuy Mr. Heater 4 in. Stainless Steel Horizontal Vent Kit at Tractor Supply Co. Great Customer Service.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 Shop mr. heater category 3 horizontal 6 in vent kit for big maxx heaters in the pellet stoves section of Lowes.com 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 ...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.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.We would like to show you a description here but the site won’t allow us.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.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.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 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. 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. 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 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 ...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 Enerco Horizontal Vent Kit - 4-in - Stainless Steel at Lowe's Canada online store. Find Shop & Garage Heaters at lowest price guarantee. 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 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. 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 ... 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 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 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.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. 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. 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.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.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.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 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 velocitySaf-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. 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.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.Category III 6in Horizontal Vent Kit. $709.55. Add to Wish List. Out of stock. Add to Compare. ... COPYRIGHT MR. HEATER 2020. Enerco Group Inc / Mr. Heater 4560 West ... Mr. Heater 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 ... 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 toMr. 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.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. 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.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 ...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.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. 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. HE and HE+ 12 In non-condensing horizontal termination kit (metal) 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 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! 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 ... 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 ... 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. 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, and2016, 05:44 PM #1 Member Join Date: Feb 2006 Location: Rochester, New York Posts: 34 Mr Heater 80k with horizontal vent question I am installing an 80k btu Mr Heater in my pole barn. I decided to vent horizontally to avoid the "smoke stack" look through the roof. I purchased the horizontal vent kit from Mr Heater for this unit.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 university faqs and product data ... vent free. cabinet. forced air propane ... portable oil-fired. portable radiant. dual lp tank hook-up kit. learn more ...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. 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 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.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 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 F260550 Big Maxx MHU50NG Natural Gas Unit Heater,Black. ... DuraVent Vent Unit Heater Kit - 4in. Horizontal, Model# 4UHK-KVNT. Share: Found a lower price ...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. 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. 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 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 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. 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.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 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 VentShop 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. 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. HE and HE+ 12 In non-condensing horizontal termination kit (metal) 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 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) HE and HE+ 12 In non-condensing horizontal termination kit (metal) For use with Rinnai high efficiency Tankless water heaters. Concentric venting reduces install time and costs, allows for secure connection and ease of assembly/adjustment11% 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.
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. . Hoag on demand care and innovation center
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 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. 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 30000 BTU Vent Free Radiant 20# Propane Indoor Space Heater (51) ... Mr. Heater F102860 4" Stainless Steel Horizontal Vent Kit for Big Maxx Heaters. Shop 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.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 ...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.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.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. 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. 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!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.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. 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..