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melted air preassure switch?

I have replaced a faulty air preassure switch on my worcester 28i junior to find out that the new one has melted to after about 5 hours use. checked fan, flue, all ok. could it be the over heat thermostat?

carl, October 2008

home Fix label D.I.Y label_important Plumbing category Worcesterdone

problem is the pcb making the fan run at low speed when the burner is on there for flames lick up the side of the heat exchanger , ignition gas services sheffield

igs, November 2008

Other thing that can do this on the old i jrs is a blocked heat exchanger. Flames lick up the side and bingo, melted aps.

BunSlinger, October 2008

Yes

Jimmy, October 2008

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home label D.I.Y label_important Plumbing

home Fix label D.I.Y label_important Plumbing category Worcester

melted air preassure switch?

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melted air preassure switch?

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melted air preassure switch?

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