caleffi

  • Active since 1995, Hearth.com is THE place on the internet for free information and advice about wood stoves, pellet stoves and other energy saving equipment.

    We strive to provide opinions, articles, discussions and history related to Hearth Products and in a more general sense, energy issues.

    We promote the EFFICIENT, RESPONSIBLE, CLEAN and SAFE use of all fuels, whether renewable or fossil.
  • Hope everyone has a wonderful and warm Thanksgiving!
  • Super Cedar firestarters 30% discount Use code Hearth2024 Click here
  1. S

    3 way mixing valve questions

    I'm using a Caleffi 5231 3 way mixing valve and having trouble understanding how these things work. This style has the numbered knob on top...e.g. 1 is coolest, 7 is hottest. It was set by plumber upon install at #3 on the dial (supposedly 117 degrees)...I've moved it to 4.5 (125 degrees) The...