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.
Material of Inner/Exhaust -Alumiunm | Requires only one roof or wall penetration | Compatible with Rinnai Non-Condensing Tankless Water Heaters (HE or HE+ Series) | Nice professional look to installation | Vent components consist of an outer plastic vent for the air intake (5 in.) and an inner metal vent for the exhaust gases (3 in.)
Manufacturer Web Site: http://www.rinnai.us
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