Ubbink Polypropylene concentric venting delivers a professional solution with improved safety and convenience. 

2/4 in. (60/100) Ubbink Vent Components (for U.S.)

• For use with the following models: RX Series, RU199i (REU-N3237FF-US), RU180i (REU-N2934FF-US), RU160i (REU-N2530FF-US), RU130i (REU-N2024FF-US), RUR199i (REU-NP3237FF-US), RUR160i (REU-NP2530FF-US), CU199i (REU-N3237FFC-US), CU160i (REU-N2530FFC-US). RX

Material of Inner/Exhaust - Polypropylene.

Material of Outer/Combustion Air - Plastic.

Vent components consist of an outer plastic vent for air intake 4 in. (100 mm) and an inner polypropylene vent for the exhaust gases Ø2 in. (60 mm).

Refer to the Rinnai Water Heater Installation and Operation manual for complete installation details and requirements.

Material of Inner/Exhaust - Polypropylene.

Material of Outer/Combustion Air - Plastic.

Vent components consist of an outer plastic vent for air intake 4 in. (100 mm) and an inner polypropylene vent for the exhaust gases Ø2 in. (60 mm).

Compatible with Rinnai Condensing Tankless Water Heaters

Outer plastic vent for air intake and inner polypropylene vent for exhaust gases

Can be installed with zero clearance to combustibles

Vent components consist of an outer vent for air intake (4 in) and an inner vent for the exhaust gases (2 in)

Nice professional look to installation

No cure time, so appliance is ready for immediate use

Requires only one roof or wall penetration

As cost-effective as PVC, when considering total time and materials for installation

Excellent alternative to PVC – no solvents, fewer stress fractures and recyclabl