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The Rinnai 185344PP Condensing Vent Extension Piece is a polypropylene concentric venting solution designed for improved safety and convenience. This 19.5-inch extension piece, part of a 3x5 concentric kit, is used for raising roof terminals. It is compatible with Rinnai Condensing Tankless Water Heaters and Condensing Boilers, providing a professional installation for exhaust gases and air intake.
This Rinnai 185344PP extension kit provides a professional, single-penetration venting solution for Rinnai condensing units, utilizing polypropylene for durability and quick installation.
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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