Can you vent tankless water heater through chimney?

Can you vent tankless water heater through chimney?

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 vent pipe must be made of stainless steel designed for venting corrosive gases.

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.

Can I vent a hot 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.

Can I use my existing water heater vent for tankless?

For the same reason you can’t vent a tankless water heater with a furnace, you won’t be able to use the existing vent pipe from an old gas tank water heater. The existing vent for tankless water heaters is not compatible because most are galvanized vent piping and will rust quickly.

Can you vent a tankless water heater through the roof?

Tankless water heaters can vent through the roof or a side wall, creating more flexibility and options for placement. 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.

Can I use existing vent for tankless water heater?

Can you put a power vent on a regular water heater?

Natural gas or propane hot water heaters are generally less expensive to operate than electric heaters, but installing a standard vent in a house without an existing chimney is expensive. It’s easier to run the vent if you install a “power-vented” type of natural gas (or propane) water heater.

Does a gas water heater need a chimney liner?

For optimal use and safety, a liner is needed when installing a new heating system, furnace, boiler, or water heater. Local codes and the International Fuel Gas Code require proper venting and chimney liners for flue gasses to be vented into the outdoor atmosphere.

Do tankless water heaters need a vent?

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.

Should we switch to a tankless water heater?

Switching to a tankless water heater has many perks including lower operating costs, and they take up less space. Here are some reasons why you should consider a tankless water heater. #1 Lower Operating Costs. The way a tankless water heater is designed to work is that it heats up water on demand.

Is a tankless electric water heater worth it?

Rewiring your house can easily add as much as $5,000 to the cost of installing a tankless water heater. Tankless models save space, offer longer warranties. Many homeowners, however, see benefits of a tankless water heater beyond energy savings. These heaters also save space with a compact design, last longer and are better for the environment because a rusty tank doesn’t end up in the landfill.

How to vent your tankless water heater?

Shut off the gas to the water heater and disconnect the power.

  • Locate the exterior wall where you will vent the water heater and identify it as either an exhaust port or a combustion air inlet.
  • Cut a hole in the exterior wall that’s the same size as where you’re venting.
  • Insert the exhaust pipe into the hole and secure it with screws on both sides.
  • What is the best residential tankless water heater?


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