Can you use PVC to vent a tankless water heater?

The Rinnai Sensei tankless water heater offers 14 possible venting configurations and can use PVC, chlorinated polyvinyl chloride (CPVC), or polypropylene venting. … They tolerate higher temperatures up to 194 degrees and 230 degrees Fahrenheit, respectively, and can be used with condensing tankless units.

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Also question is, can I use existing vent for tankless water heater?

The tankless heater cannot share vent piping with any other appliance, and it cannot use a masonry chimney flue for venting. Special stainless steel pipe. … The standard galvanized vent from your old storage tank heater would quickly rust away if your tankless heater vented through it.

Just so, can you vent a tankless water heater in the attic? Simply put, as long as there is enough combustion air provided, tankless water heaters can be installed in any area of your home, from a utility room to a garage to, yes, even an old, dusty attic. … in general, most plumbers recommend simply installing it where your old water heater was located.

Consequently, can you vent gas water heater through wall?

All natural gas water heaters must be vented to the outdoors to remove the byproducts of combustion. Atmospherically venting gas water heaters is the most common type of venting option used. … The vents go directly through an outside wall, and can also bring in combustion air to the gas burner.

Do tankless water heaters need to be vented outside?

Installing a tankless water heater outside frees up indoor space and requires no additional venting. … Traditional gas tank water heater require venting through the roof. Tankless water heaters use fans to blow exhaust from the unit horizontally, allowing vents to terminate on the side of a house.

Do you have to vent an electric tankless water heater?

No. Unlike gas tankless water heaters and gas traditional tank style water heaters, electric tankless water heaters do not require any venting. This is often one of the deciding factors when choosing whether you should purchase a gas or electric tankless water heater.

Does water heater have to vent through roof?

Wate Heater Vent Types. … Your water heater needs to exhaust flue gases safely, and it must also draw fresh air indin. Because the exhaust includes carbon dioxide, it must vent outside.

How do you install a tank vent on a tankless water heater?

How high does a water heater vent need to be above the roof?

2 feet

How hot does water heater vent pipe get?

If a water heater is set to store water at 140 F to minimize Legionella bacteria growth, the flue gas temperature will be about 160 F when the heater is new. As scale builds up and the heater efficiency falls off, the flue gas temperatures can easily increase to over 350 degrees F.

Is it normal to smell gas from a tankless water heater?

Tankless gas water heaters are not designed to release gases even when they are operating. … If you smell gas from a tankless water heater, it means there is a leak somewhere, which you need to get fixed out immediately. A tankless water heater will give out gas-only when there is a gas leak or incomplete combustion.

What type of vent does a tankless water heater use?

Tankless water heaters can be vented in two ways: power-vent or direct-vent. Power-vent units use indoor air for combustion and simply vent the exhaust to the outside. Direct-vent units pull in air from the outside, so they have two vents for intake and exhaust.

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