Tankless Water Heater Vent Pipe

Tankless water heaters are vented in two ways.

Tankless water heater vent pipe.

Concentric vents provide a couple of advantages. Direct vent and power vent. This configuration allows tankless units to fit in smaller spaces. 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.

After applying pipe thread tape to the mnpt nipples on your water heater thread the fnpt end of the water heater connector onto the tank and tighten with. Apollopex corrugated stainless steel water heater connector was designed for the fast and simple installation of hot and cold water lines to water heaters using pex connections. The vent pipe exhaust gas during the tankless water heater is operating keep the indoor air safety at all times. 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.

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. Tankless water heaters don t always need two ventilation pipes even for direct vent units. 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. With rinnai common venting up to 8 tankless water heater units share the same vent system.

This allows for significantly fewer wall or roof cuts less labor and longer vent lengths than ever possible with single unit. Item 1456951 model 222714npp. Direct vent units pull in air from outside the home or building and have two vents one for intake and one for exhaust. You just need to connect the elbow and straight pipe to tankless water heater exhaust from wall.

The vent kit includes a detachable 90 elbow and a 20 inch horizontal termination pipe. Precisely engineered accessories can add even more reliability convenience and flexibility to rinnai tankless water heaters. In fact tankless water heaters save up to 16 square feet of space. Apollopex corrugated the 3 4 in.

Installing your tankless water heater for easier venting. Rinnai 4 pack tankless gas plastic water heater vent kit.