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.
Water heater wall vent.
Direct vent water heaters.
Single wall gas water heater vent pipe connector cannot be installed closer than 6 from any combustible materials such as floor wall framing paper etc.
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.
Direct vent water boiler.
The direct vent water boiler is another type of water heater venting that you should know about.
The difference is that a power vent water heater pulls in combustion air from the space.
With a direct vent system air for combustion is drawn from a vent pipe that runs through an exterior wall or the roof.
Push to connect x 1 in.
Fip x 24 in.
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In that installation separate intake and exhaust vent pipes are run between the water heater and interior wall and only the wall penetration and.
Such installation could create pyrophoric conditions and a fire hazard.
Braided stainless steel water softener connector.