The Ubbink Polypropylene Concentric Venting System offers a modern, reliable solution for Rinnai condensing water heater installations, prioritizing safety, efficiency, and ease of use. Designed specifically for models like the RU199i, RU180i, and CU160i tankless units, this system combines innovative engineering with practical benefits to streamline installations while meeting rigorous standards like ULC-S636 compliance for Canadian applications.
Boasting a sleek 4-inch concentric design, this venting system reduces roof or wall penetrations to just one point, simplifying setup and enhancing aesthetics. The pre-angled exhaust channel ensures efficient condensate drainage without leaks, while the durable polypropylene (PPs) material resists corrosion and stress fractures—common issues with PVC alternatives. Unlike traditional systems requiring solvents or lengthy cure times, this vent allows immediate appliance use post-installation, saving both time and labor costs.
Engineered for durability and sustainability, the system’s recyclable inner exhaust (2-inch) and outer air intake (4-inch) provide a long-lasting alternative to PVC without compromising performance. Its cost-effectiveness becomes clear when considering reduced material needs and faster installation compared to competing solutions.
Ideal for professionals and DIY enthusiasts alike, this venting system delivers a clean, professional finish while maintaining compatibility across key Rinnai models. By eliminating solvents and minimizing maintenance risks, it’s a smart choice for installations demanding reliability and eco-conscious materials—all backed by compliance certifications for North American markets.
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