steam boiler noise "dying dinosaur"


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Old 11-07-06, 06:36 PM
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steam boiler noise "dying dinosaur"

A customer said the boiler sounded like a dying dinosaur when the condensate return pump cuts on ( moaning like noise so loud you could'nt hear anything else ) and shakes the building. Wouldn't do it while I was there this morning. this is a 6 section Weil McLain, 3 gph oil, private school admin. bldg. , I'm not to experianced with steam, good at the rest, any ideas are appreciated.
 
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Old 11-08-06, 07:16 AM
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Condensate pump

Nor am I strong on steam but I can think of a couple of possibilities: Possible bad bearings in the pump or a noisy check valve.
I had a hot water boiler (System 2000) once with an indirect water heater which when the domestic circulator came on sounded like "a swarm of bees". After replacing the circulator, to no avail, & the only "moving" part left being the check valve, I replaced it & the "bees" went away.
Your "dying dinosaur" could be the same as my "bees" except larger.
 
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Old 11-08-06, 03:43 PM
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thanks

I wrote the numbers down on those check valves ( I have 3 zones ) but I hadn't even thought that one of them might be the trouble thanks for the thought.
 
 

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