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  1. K

    Alternatives when replacing Raypak 406A heater?

    My Raypak digital 406A heater was professionally installed in 2006; when I bought the house in 2012 the 406A was already leaking and very badly corroded, I have had to repair it many times for a variety of failures. My experience with Raypak support has been extremely poor. It is now time to...
  2. K

    Raypak 406A Flame w/o CFH

    A very weird problem with the Raypak 007864F igniter in my Raypak 406A spa heater has arisen; I'm wondering if anybody else has seen it. The control board always reports "Flame w/o CFH" even with the bare igniter entirely removed from the heater & pilot assembly and grounded only at the small...