Tankless Gas Water Heater Vent Pipe

Does a tankless water heater need venting.

Tankless gas water heater vent pipe.

Since the stainless steel vent pipe is much more expensive than the gas supply and water supply piping it makes sense to move the tankless heater closer to where the vent will leave the house. Direct vent units pull in air from outside the home or building and have two vents one for intake and one for exhaust. With rinnai common venting up to 8 tankless water heater units share the precisely engineered accessories can add even more reliability convenience and flexibility to rinnai tankless water heaters. Plastic condensing vent pipe extension for rinnai super high efficiency tankless water heaters 224080pp the home depot.

You will need less vent pipe that way even though you will need more water and gas supply piping. If the unit is installed on a basement wall the vent pipe can be run up just a few feet and then vented out the side with the use of a 90 degree elbow. Tankless water heaters are vented in two ways. This configuration allows tankless units to fit in smaller spaces.

Select either an adapter of three inch or an adapter of four inches depending on what water heater model you decide. Tankless water heaters don t always need two ventilation pipes even for direct vent units. In fact tankless water heaters save up to 16 square feet of space. Concentric direct vent termination kit is designed for use with rheem ecosense mid efficiency tankless gas indoor direct vent units.

All emission of liquid or gas water heaters which are tankless needs vent pipes made of stainless steel and approved by ul. If you have a gas fueled tankless water heater that is installed inside the house it needs to be vented to the outside. Because tankless water heaters require pvc or special stainless steel piping as the vent material which is much more expensive than copper pex or cpvc a short venting run is better for both the heater itself as well as your savings so many homeowners choose to move the location of their heater closer to an outside wall and run water lines to it instead. Installing your tankless water heater for easier venting to make venting easiest install your tankless water heater on an outside wall.

This stainless steel 3 in. Direct vent water heaters can use two separate pipes for intake and exhaust but some manufacturers offer concentric venting a single pipe that contains an inner exhaust vent and an outer intake vent. Direct vent and power vent. It doesn t matter if the gas is natural gas or propane this fact remains the same.