Boiler water pump clicks on and off all the time.

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Old 03-23-11, 08:19 AM
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Boiler water pump clicks on and off all the time.

The pump attached to my gas heater (tankless heater) that I believes circulates the water coming out of the boiler clicks on and gives what could be a parts can't move noise for about 5 seconds and then clicks off. It does this all day long and can be heard through out the house. I never noticed this before so I think something is wrong. We are still getting heat in the house and the heat is separate from the hot water. I tried oiling the pump and no change, I am afraid if I call for repair it will automatically get replaced and I wouldn't know if only a minor repair or adjustment was really needed. Any ideas.
 
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Old 03-23-11, 11:58 AM
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Odds are that the pump is seized up and overheating. Usually there's a thermal limit switch that opens and shuts the motor off when it overheats to prevent a fire.

So is the motor hot to the touch?
 
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Old 03-23-11, 12:10 PM
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Yes its pretty hot, a lot hotter than it should be.
 
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Old 03-23-11, 04:05 PM
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What is the make & model of the pump?
 
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Old 03-23-11, 05:51 PM
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Originally Posted by Grady View Post
What is the make & model of the pump?
Might as well tell us the boiler make/model while yer lookin' !
 
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