alpha 240x leaking

Joined
25 Oct 2008
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Location
Derbyshire
Country
United Kingdom
got a Alpha 240x boiler which is leaking from the middle of the DHW flow valvebetween the flow valve to the diverter valve. Already changed the front nut on the dhw flow switch what part do i need for the new problem as i bought a kit last time with different parts in. Any help appreciated.
 
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I've had this a couple of times before. In my 2 cases I got an extra 'o' ring to replace the minute one at the back of the diaphragm assembly.

You will need to remove this assembly from the DV to check that the water is not coming from the DV first though.
 
Dave's fix relates to mains water leaking.

If thats the case the boiler system pressure will not go down.

If it did then its change time for the tail piece behind with two slotted hex headed screws.

Tony
 
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