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.
Tankless water heater venting diagram.
Rinnai tankless water heater installation and operation manual 3 if you need service ontact your local dealer distributor or call rinnai ustomer are at 1 800 621 9419 monday to friday between 8 am to 8 pm et.
A concentric vent termination may be used on a power direct vent tank or tankless water heater to get the same benefit of a single wall or roof penetration with an aesthetic vent termination.
3 5 vent the water heater.
It is not to be used as an alternative to a professionally engineered project drawing.
This drawing does not imply compliance with local building codes.
Venting of a tankless water heater in accordance with the manufacturer s directions is very important in order to install the water heater.
Venting vent kits.
In that installation separate intake and exhaust vent pipes are run between the water heater and interior wall and only the wall penetration and termination are concentric piping.
Once selected the venting of a gas tankless water heater will be the most important decision a tankless water heater installer makes when fitting a home or building.
Discuss these venting features with a tankless water heater installer.
This will allow your water heater to operate efficiently and effectively and most significantly it will avoid any probability of danger and therefore the risk of carbon monoxide gas poisoning.
The selection of a tankless water heater is one of the most important decisions a homeowner makes to decrease utility expenses and lower energy consumption.
See the use and care manual for important information regarding the venting installation and materials for your tankless water heater.
All indoor tankless gas water heaters must be vented vertically or horizontally to the outdoors using factory approved venting material no other venting material is permitted.