boiler - circulator pump runs continuously

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Old 06-19-11, 02:51 PM
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boiler - circulator pump runs continuously

I have a Weil-McLain CGT gas fired boiler,had to change out pressure relief valve,now circulator pump continually runs..why is this ?
 

Last edited by NJT; 06-19-11 at 03:14 PM.
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Old 06-19-11, 03:18 PM
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If you are thinking that changing the relief valve had something to do with the pump now running continuously, it probably has nothing to do with it, unless you had water spraying all over the place and the controls got wet.

Are you sure the pump wasn't running all the time before you changed the relief valve?

Why did you change the relief valve?
 
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Old 06-23-11, 12:47 PM
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The pump runs when one of the thermostats calls for heat.
Has one of your family (or visitors) changed a setting?
Did you accidentally change a setting while working?
 
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