Single Wall Gas Water Heater Vent Pipe

Direct vent water heaters.
Single wall gas water heater vent pipe. Single wall expandable flexible gas vent connector efc offers a simple connection between appliance and selkirk type b vent. With a direct vent system air for combustion is drawn from a vent pipe that runs through an exterior wall or the roof. Fire clearances required range from 6 to 36 depending on the equipment. In that installation separate intake and exhaust vent pipes are run between the water heater and interior wall and only the wall penetration and.
Metal flue fire clearance requirements single wall metal pipe flues gas fired equipment. Ul listed and only requires 1 in. Minimum airspace clearance to combustibles and has multiple applications can be for single vent or combined vent. Gas fired heating equipment.
The difference is that a power vent water heater pulls in combustion air from the space. The exceptions are unconditioned basements and garages within the exterior walls if local 99 winter design temperature equals or is larger than 5f. Each of these ameri vent gas pipes features rugged double wall construction with aluminum alloy 1100 3003 or 3105 inner pipe and corrosion resistant galvanized steel outer pipe. An exception is made for non combustible walls such as solid masonry or concrete.
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. A concentric vent termination may be used on a power direct vent tank or tankless water heater to get the same benefit of a single wall or roof penetration with an aesthetic vent termination. Also it cannot be used in the crawlspace or other unconditioned space. For gas fired water heater vents.
6 minimum clearance from single wall vent pipe or flue vent connector to any combustible material. 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. Single wall vent pipes cannot pass through a ceiling floor firewall or wall. More product details close.