Rinnai 2" X 4" 60/100 Condensing Vent Pipe Extension 19-1/2" Length

Rinnai 2" X 4" 60/100 Condensing Vent Pipe Extension 19-1/2" Length Compatible with Rinnai Condensing Tankless Water Heaters: (RU199i, RU180i, RU160i, RU130i, RUR199i, RUR160i, CU199i, CU160i) Material of Inner/Exhaust -Polypropylene (PPs) 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 recyclable Vent components can be used in Canada and comply with the requirements of ULC-S636 MFG# 229309NPP