Water Heater Venting Attic

Whether or not you can install a tankless water heater in your attic depends on the heater itself and also your attic.

Water heater venting attic.

Do not vent this water heater into the venting system of another gas appliance designed to vent under positive pressure. Single wall natural draft gas water heater vent pipe cannot be used in unheated areas like attic or garage even if only partially penetrating that space because such vent pipe installation will cause excessive condensation on vent pipe walls and compromise proper drafting double wall pipe b vent type is required. Code expert glenn mathewson describes 10 common water heater code issues including confusion about drip pans and drains unsupported expansion tanks and plastic vents lack of combustion air and more. The water heater should be installed as close as practical to the venting system to minimize the vent connector length required.

Proper venting prevents backdrafting. Examples of common practices to insure sufficient attic ventilation include soffit vents used in combination with ridge vents and or mechanical attic exhaust fans which are turned on and off via temperature controls. Rheem 3 in. Attic ventilation works on the principle that heated air naturally rises primarily utilizing two types of vents.

Tankless water heaters use fans to blow exhaust from the unit horizontally allowing vents to terminate on the side of a house. The most common problem associated with water heater venting is a condition called backdrafting in which exhaust gases from the water heater fail to exit the home via the vent and instead end up in the house backdrafting can have many causes but it is most commonly due to poor vent design or installation and or an imbalance of air volume in the home. Traditional gas tank water heater require venting through the roof. Set your store to see local availability add to cart.

When this occurs the water heater will not function. Stainless steel concentric venting for indoor tankless gas water heaters model rtg20151c 1 49 99 49 99. Vent length 3 in. Intake vents located at the lowest part of the roof under the eaves allow cool.

If you have a proper attic that isn t just a crawlspace then you can. Tankless water heaters can vent through the roof or a side wall creating more flexibility and options for placement. To get the most out of your tankless water heater you need the right vent and termination kit. Installing a tank water heater might seem easy but homeowners who refinish their basements often create a number of code violations with respect to the water heater.

A direct vent system pulls in. Types of tankless water heater vent termination kits.