Product: Rinnai 223176PP, 12"
Brand: Rinnai
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

Search query: rheem concentric vent kit
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Search query: rinnai vent kit
Relevance: Exact