FAQ: How To Vent A Gas Water Heater Horizontal?

Can you vent a gas water heater horizontally?

The venting can run either vertically or horizontally with a longer line to help with space and sizing issues within your home, which makes power vent water heaters more flexible to install. Power vents are a more efficient option, as they are designed to utilize heat from the exhaust to heat water for energy savings.

How far can a water heater be vented horizontally?

This type of venting allows gas water heaters to be installed as far as 40 feet away from an outside wall and in homes without existing vertical vents.

Does water heater vent need to be straight?

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.

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Can you vent a gas hot water heater with PVC?

As Jason mentioned, plastic (PVC or ABS) is ok to use as a venting material on powervented hot water heaters. They work by sending a huge amount of air in with the flue gases that it decreases the temperature of the exhaust going through the vent enough that it will not comprimise the vent.

Can a gas water heater be in a closet?

Water heaters can be installed in bedroom or bathroom closets, if necessary or preferred, but only if they’re an electric, direct vent or sealed combustion chamber unit.

How much clearance is needed around a gas water heater?

Minimum clearances between the water heater and combustible and noncombustible construction are 0” at the sides and rear, 4” at the front, and 6” from the vent pipe. Clearance from the top of the draft hood is 12”. Refer to the label on the water heater located adjacent to the gas control valve for all clearances.

Can I vent my water heater with my furnace?

Many homes are built with the water heater and furnace sharing the same combustion-gases exhaust vent. This practice is common with standard efficiency (80%) furnaces. When installed correctly, this venting arrangement works with an 80% gas furnace (or lower than 80%) + gas water heater.

What is the difference between direct vent and atmospheric vent?

Basically, the difference between the two is that the power vent water heater removes combustion gases from the atmosphere via a powered venting fan, while a direct vent water heater vents these gases into the outdoor atmosphere using a chimney or exhaust pipe.

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Can you convert a direct vent water heater to a power vent?

Member. NO NO NO! Unless the water heater originally was manufactured with a power vent assembly and you are replacing it. Power vent water heaters are manufactured differently from the ground up.

Does water heater vent pipe need to be double wall?

All vent piping that runs through ceilings, floors, or walls shall be double-wall metal pipe. The vent and the water heater must maintain clearance from combustible materials (such as wall framing or roofing) as required by the manufacturer, which is typically 1″ minimum.

How much does it cost to vent a hot water heater?

Power venting a water heater costs about $500 to $1,000 more than a passive or direct vent system. Power venting: Adds $300-$600 to the unit’s price. Plus, you’ll add an additional $300-$500 for wiring and electrical.

Can you duct tape a water heater vent?

Duct tape and flexible ducts are OK for a fume hood exhausts or for ventilation ducts, but not for combustion exhausts.

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