Roof Vent For Water Heater Height

Draft hood and gas water heater vent pipe connections.

Roof vent for water heater height.

Whenever we are installing a gas water heater building codes require that there should be a ventilator out of the room through the attic and out through the roof. 10 4 1 1 vents installed with mechanical exausters shall terminate not less than 12 in. Make the vent pipe section between the water heater and the chimney as short and as straight as possible. Maximum height varies with equipment over 50 for taller applications refer to sdv sizing handbook l202.

On 2018 11 13 by brian. On a 5 12 pitch roof if you go out from the chimney emergence point 10 feet horizontally the roofline is then at 10 12 x 5 feet or 50 inches plus 24 means your chimney must stick up 74. What is the correct distance between the bottom of the cone vent to the top of the hot water heater. To do this two critical measurements must take one on the ceiling above the water heater and one that is the distance from the attic floor to the roof.

If your current water heater requires venting and most do then it s usually cheapest to go with a replacement unit that vents the same way. Clearance to combustibles is the air space between vent and combustibles. Above the highest point where they pass through the roof surface. I will only be painting the vent above the roof boot and the vent cap.

14 16 pipe require screws. Thanks so much for the info this is very helpful. When oval is used on wall furnaces minimum height required from bottom of furnace to cap is 12 minimum 16 stud space. 10 4 1 2 vents installed with a listed cap.