smaggard
newbie
Reged: 02/28/10
Posts: 2
Loc: Norfolk, VA
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Re: Erie Pop Top Zone Valve Question
03/01/10 03:01 PM
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Thank you for the reply! Today I was able to remove the cover from the one causing the problem and the ES terminals have power (25.2V) and when the thermostat engages and the valve opens the voltage dips by maybe 1-2 V for a second but then steadies back out at 25V. It doesn't appear that the switch/relay part is separate from the actuator assembly like the motor may be, so is it safe to assume that I need the whole unit (not the valve but just the "pop top")?
Thanks again for you quick reply! 
Scott
Quote:
You are on the right track. When the end switch (ES) closes, the circuit is completed to power the pump/ignition relay, so the voltage drops from 24 to zero.
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