2/4" Condensing Horizontal Termination Kit, 21" (PPtl)

2/4 (60/100) Condensing Horizontal Termination Kit (termination, elbow, rubber wall plates) 2/4 in. (60/100) Ubbink Vent Components (for U.S.) For use with the following models: 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). Do not combine the vent components illustrated on this page with any other vent components. 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). PPtl material is not approved for use in Canada. Refer to the Rinnai Water Heater Installation and Operation manual for complete installation details and requirements.