Venting A Water Heater Through The Roof

Proper venting prevents backdrafting.

Venting a water heater through the roof.

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. Illustrations of proper gas fired water heater venting using type b double wall vent pipe through a roof above or through a chimney below include details for the flue vent connector such as the requirement of a minimum vent connector upwards slope of 1 4 per foot of horizontal run. Apollopex corrugated the 3 4 in. Apollopex corrugated stainless steel water heater connector was designed for the fast and simple installation of hot and cold water lines to water heaters using pex connections.

The gas heater vents out the side of the house so the water heater is the only item venting through the chimney. After applying pipe thread tape to the mnpt nipples on your water heater thread the fnpt end of the water heater connector onto the tank and tighten with. Here s my question can i disassemble the chimney to just below the roof boards and vent the water heater a few feet above the roof material using a liner of some sort. The chimney above the roof is in very poor condition.

Tankless water heaters can vent through the roof or a side wall creating more flexibility and options for placement. Many people can t live without a water heater. When installing a gas water heater building codes requires that they be ventilated out of the room through the attic and out through the roof. In order to do this two critical measurements must be taken.

Tankless water heaters use fans to blow exhaust from the unit horizontally allowing vents to terminate on the side of a house. One on the ceiling above the water heater. Traditional gas tank water heater require venting through the roof. Hot water is an essential part of everyday life.