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Help with Erie Boiler Boss 601

EdW Member Posts: 3
I have an intermittent problem when the Aquastat calls for the DHW pump to turn on. Aquastat is connected to the T1 terminals. (I did check that there was a short between the T1 terminals.) The T1 LED and pump do not turn on. I tried replacing the pump relay but still having the intermittent issue. Thanks in advance for any advice. -Ed


  • EdW
    EdW Member Posts: 3
    I think

    my problem is the DHW is calling for heat for more than 1 hour, which according to the manual, locks out the DHW circuit. My question is: Does the lock out occur no matter if it's set up for Priority or not? Priority was not Enabled. Thanks -Ed
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