Concentric venting for tankless water heater

Discussion in 'Tankless Water Heater Forum' started by Niccio, May 8, 2019.

  1. Niccio

    Niccio New Member

    May 8, 2019
    Post Falls, ID
    Hello, I've got a question I'm hoping someone with more experience in tankless heaters can help with. I'm doing an install of a Takagi 310c series heater. It calls for concentric vent pipe made by a certain manufacturer. Has anybody used pipe from a different manufacturer? It looks like the only difference is the "quick-lock" system they use, but it would appear that any 5x3 venting would work. Short question: could I use Rinnai concentric pipe on a Takagi tankless heater and save a few hundred bucks?

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