Hayward H Series Pool & Spa Heater 400k Btu Propane Gas Milivolt Ignition H400p1 Logo

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Anonymous Posted on May 18, 2010

H Series Pool & Spa Heater 400k Btu Propane Gas Milivolt Ignition H400p1: how do i fix the AO code on my hayward heater?...

How do i fix the ao code on my hayward heater?

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  • Expert 64 Answers
  • Posted on May 20, 2010
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AO will apply to your blower, blower tubing, or blower vacuum switch. You need to check these items.

  • Anonymous May 25, 2010

    sorry, but checking those items wil likely solve your problem. if not post back here and i can help you.

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