Price Comparison
Description
The category 3 horizontal 4 in vent kit provides class 3 single wall ducting for use with Mr. Heater Big Maxx unit heaters, ranging from 50,000, 80,000, and 125,000 BTUs. Complies with US standard (UL1738) and Canadian standard (S636). Designed for horizontal installation only. Kit includes 4 in x 6-19 in adjustable pipe, 4 in x 12in vent pipe, 4 in 45-degree elbow, 4 in wall thimble, 4 in termination tee, screws, and silicone. Stainless steel is required for horizontal installations per new category 3 certifications. Other parts may also be required for your specific installation needs. Please check and adhere to all state and local codes before installation. Designed to fit the MHU75, HSU75, MHU80 and HSU80 model unit heaters Designed for horizontal installation only Other select parts may be required for your installation needs Please check and adhere to all local codes before installation 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 termination tee, screws, and silicone Complies with US standard (UL1738) and Canadian standard (S636) Note: This product may require up to 2 additional days for order processing prior to shipping
