Gas Water Heater Roof Vent Pipe
Single wall vent pipes cannot pass through a ceiling floor firewall or wall.
Gas water heater roof vent pipe. This difference in operation means that you can install a direct vent system almost anywhere. Direct vent water heaters. This venting may either be dedicated to the water heater or can be shared with other atmospheric vent appliances such as a furnace. Atmospheric gas water heaters vent their exhaust through a vertical or upward sloping metal duct vent to exit the home.
For the gas water heater vent pipe system to operate properly its draft hood has to be centered over the vent hole and its legs must be straight any displaced or deformed draft hoods should be serviced replaced if necessary. A direct vent system pulls in air from outside and then vents the exhaust through a horizontal pipe. Exhaust gases are vented outdoors through a separate vent duct or through a separate chamber of the same pipe this requires a double wall vent duct. 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.
Use the plumb bob to be certain the center of the pipe at the ceiling and the center or the boot on the water heater are lined up. With a direct vent system air for combustion is drawn from a vent pipe that runs through an exterior wall or the roof. In the attic use the plumb bob to mark the center of the hole to be cut for the roof vent boot. Atmospheric venting works on the principle of hot air rising.
Discover the differences between single wall vents. For gas fired water heater vents. 6 minimum clearance from single wall vent pipe or flue vent connector to any combustible material. Water heater draft hoods serve a very important purpose and if not installed correctly carbon monoxide gases may be expelled into the living space.
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. These vent pipe kits include storm collar kits vent adapters connectors and elbows. Shop grainger for rugged gas pipe fittings.
Cut the hole with the jigsaw.