ferroli f30 boiler D.H.W does not maintain temp

Old 10-17-05, 07:29 AM
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ferroli f30 boiler D.H.W does not maintain temp

Wonder if anyone out there can be of help, after returning from a few months away i flashed up the boiler . However when i turn the hot water tap on the boiler ignites, but after the water heats up it switches itself of. And once the water goes cold it ignites again and repeats the cycle.Also my CH System is cycling about every 20-30 seconds. Could it be overheating then tripping but what would cause that?. Cheers for any help Is it my Thermostat limit switch?

Last edited by taffyboy; 10-17-05 at 09:18 AM. Reason: more info
Old 10-17-05, 09:30 AM
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Hi mate,

I would start by looking at the air pressure switch and air pressure venturi's.
You may be able to tell if this is where the prob lies by listening to the fan. It will probably run continuously will light and extinguish. The air pressure switch is made by the fan by the connecting tubes and venturi's. If the fan is stopping mid cycle then may be something else.

The air pressure switch is a safety device so if you come to the conclusion that its faulty you should call a corgi reg'd gas engineer.



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