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  1. jccams

    Check valve required?

    Just a good ole gas heater, thanks Jason that's what I thought.
  2. jccams

    Check valve required?

    I am going to remove a leaking tablet feeder from my pool plumbing (don't use it anyway). Currently there is a check valve between the feeder and the heater I assume to prevent high concentrations of chlorine from reaching the heater. My question is whether or not I need the check valve in...