Ubbink Non-Condensing concentric venting delivers a professional solution with improved convenience.
HE and HE+ non-condensing 39 inch vent pipe extension
For use with Rinnai high efficiency Tankless water heaters
Concentric venting reduces install time and costs, allows for secure connection and ease of assembly/adjustment
Engineered concentric venting especially for gas appliances
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.)