saunier duval SD 30 E... hot water but no heating...! help!

ps · 27 Aug 2007

Hi.

My Sd 30 is broke. When i switch it on, it'll work the hot water, but the heating system wont work. The gas keeps running even when the heating and the hot water are both switched off... so i dont know what its doing.

Does anyone know what the problem might be? Any help will be greatly appreciated!!!

Gasguru · 27 Aug 2007

Is the hot water demand light lit on the boiler even though the hot taps are off?

If so the hot water switch is jammed on - replace the switch assembly, brass cover and diaphragm.

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saunier duval SD 30 E... hot water but no heating...! help!

ps

Gasguru

DIYnot Local

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