Rinnai 189958 Universal Roof Flashing Rubber Boot 1/2–16/12 Pitch Vent Seal

The Rinnai 189958 Universal Shingle Rubber Roof Flashing provides a durable, weather-resistant seal for vent pipes and roof penetrations. Designed for professional use in propane, LP gas, and HVAC venting systems, this flexible rubber boot adapts to a wide range of roof pitches—from 1/2 to 16/12—making it ideal for both residential and commercial applications.Constructed from high-quality EPDM rubber, it resists cracking, UV exposure, and temperature extremes, ensuring long-lasting protection against leaks and roof damage. The base easily contours to shingles or metal roofing, forming a secure watertight barrier.Key Features & Benefits:Compatible with tankless water heaters, propane venting, and HVAC exhaust systemsFits roof pitches from 1/2″ to 16/12″Flexible rubber boot conforms to any roofing surfaceWeatherproof, UV-resistant, and heat-resistant materialPrevents leaks and moisture intrusion around vent pipe penetrationsDirect replacement for older Rinnai models: 189950, 189951, 189952OEM-grade quality ensures a perfect fit for Rinnai venting systemsSpecifications:Brand: RinnaiModel: 189958Material: EPDM RubberColor: BlackRoof Pitch: 1/2″ to 16/12″Compatible Systems: LP Gas, Tankless, and HVAC VentingReplaces: 189950 / 189951 / 189952Condition: Brand NewApplications Include:Propane tankless water heater ventingHVAC exhaust and intake systemsMetal or shingle roof vent sealingGas appliance vent terminations