RINNAI 184162PP 3/5 CONCENTRIC ROOF TERMINATION KIT 20"

The model 184162PP, Roof Discharge Terminal has an all plastic concentric bi-flow vent pipe assembly length of 3" and is only to be used as part of the vent system for a Condensing Tankless Water Heater. The black part of the assembly is 20" long and runs up above the roof line penetration. The white part of the assembly is 18" long and runs down below the roof line penetration. 

Features:

• Engineered especially for gas appliance venting
• Positive fit and lock allows for installation assurance
• Two layers of pipe equals two layers of protection
• Seals at every joint expand and contract with weather and temperature changes, so there's no flexing or cracking in the venting
• No flammable, messy or harmful glues, cements, or solvents are used