Precisely engineered accessories can add even more reliability, convenience and flexibility to Rinnai Tankless Water Heaters. 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 tankless water heater venting.

Precisely engineered accessories can add even more reliability, convenience and flexibility to Rinnai Tankless Water Heaters. 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 tankless water heater venting.

This is easy to install and works great. Jehanzeb. Allen Park, MI. Sun Apr 03 2022

Anonymous. US. Tue Jun 30 2026

Precisely engineered accessories can add even more reliability, convenience and flexibility to Rinnai Tankless Water Heaters. With Rinnai Common Venting, up to eight 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 tankless water heater venting.

Precisely engineered accessories can add even more reliability, convenience and flexibility to Rinnai Tankless Water Heaters. With Rinnai Common Venting, up to eight 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 tankless water heater venting.

perfect unit for our needs no problems with the instalation. Arnold. ON. Thu Dec 17 2015