A direct vent water heater draws all its air for combustion from the outside and returns the combustion gases to the exterior in essentially a sealed system.
Direct vent heater definition.
The direct vent system involves two parts one part for the exhaust and one for combustion air intake.
Williams 0743512 high efficiency direct vent furnace 7400 btu natural gas.
Direct vent technologydescribes a gas burning appliance and how it uses two pipes often one smaller pipe within another larger pipe to both exhaust the appliances flue gases and bring in fresh air that it uses for combustion.
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This is because direct vent gas heaters do not require any outside air to function and are the perfect size to fit into areas where space is at a premium.
Cozy s direct vent wall furnace mounts on an outside wall and occupies minimal room space.
The continuous seam welded combustion chamber draws air from the outside and exhausts through a concentric vent system which keeps the interior air warm and fresh.
There is no chance of backdrafting and no negative air pressure created inside the home.
Direct vent wall furnaces.
The appliance itself is a completely sealed combustion chamber and no air from the house is used for combustion.
The goodman furnace direct vent length table given below is adapted from that manual and it might not be correct for your heater and model.
They are one of the safest most convenient and most popular ways of adding a gas fireplace to your home.
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Check with your manufacturer or your supplier.
Williams 22 000 btu hour direct vent furnace liquid propane gas 23 model 2203821 752 40.
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The exhaust vents can go either out through a sidewall or through the roof.
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A direct vent system typically results in lower water heating costs because the exhaust gases are vented vertically with no extra power required as is the case with the power vent water heater.
Check with your manufacturer or your supplier.
Ashley hearth products 17 000 btu direct vent propane heater 11 model dvag17l 521 17.
A direct vent gas furnace otherwise known as a direct vent heater is the perfect residential furnace for homes apartments room additions garages and offices.
Combustion fumes are vented outside.
Williams 3003822 direct vent furnace 30 000 btu natural gas.
