Question about Protech Systems FasNSeal FSWMKE4 4" Vent Kit for Wall Mounted Boilers & Wat

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Very Hot water coming out of overflow pipe

6 year old Heatline boiler. water out of overflow and backing up to boiler.Pressure guage up and down.Hot water in house only lukewarm.
Heating on but not very hot, and when on pilot goes on and off.
Air pockets in radiators, but when bled, only water, not air comes out.

Have been told it could be thermistor or a stat problem.Any ideas?

Siobhan.

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Is your boiler heating your domestic hot water if so i would turn water off to water maker and see if your boiler pressure stays down below 20 psi. If so water maker is bad. The other thing that could cause this problem would be the boiler pump is out.

Posted on Jan 23, 2009

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