Worcester 28CDi RSF

twogun · 7 Jan 2010

Hi. Have a bit of a problem with a slight leak from the diverter valve in the boiler. The water is leaking from the black plastic cover from the micro switch assembly. Is this a repairable thing or has the complete valve need to be replaced?
Does anyone know if the scaling inside a water to water heat exchanger can be removed by one of the comercial descaling liquids you can buy?
Thanks for any help.
Twogun

nickso · 7 Jan 2010

probably leaking from the gland around the diaphragm pin. the end of the diverter needs to come off and the seal renewing from the inside. can be a straightforward enough job or descend into a nightmare. the brass nut inside has a tendency to stick and theres been plenty i have binned for not moving.

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Worcester 28CDi RSF

twogun

nickso

DIYnot Local

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