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Louie3888 01-04-2008 02:54 PM

Help with Crown boiler
I have an old Crown boiler from the 80's thatís tied to a radiant heat system within the ceilings. Just recently the boiler comes on for 2 mins and the pump kicks on as well, but the supply side gets very hot where the expansion tank is at, and the return does not feel warm at all. After 2 minutes the unit shuts off and then triesís again after another 2 minutes.

Any ideas, do you think the aqua-stat is starting to go bad?



redline 01-04-2008 03:02 PM

What is the PSI reading?

Louie3888 01-04-2008 03:04 PM

Help with Crown boiler
110 Psi

bigMikeB 01-04-2008 04:22 PM

That's not possible, you must be reading the temp.

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