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The Rinnai 227412NPP 2/4 Condensing Vertical Starter Adapter (60/100) is designed for use with Rinnai condensing tankless water heaters. Vent components consist of an outer vent for air intake (4 in.) and an inner vent for the exhaust gases (2 in.). Ubbink Polypropylene concentric venting delivers a professional solution with improved safety and convenience.
This Rinnai condensing vertical starter adapter provides a professional venting solution. It is an excellent alternative to PVC, with no solvents and fewer stress fractures.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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