Alpha 240e hot water issues

[douggie]

hey im trying to fix an alpha 240e hot water only works when heating has warmed up it sends the flow round the heating all the time i belive it is the diverter stuck is there any way i can prove this before i buy a new one i striped it down last night and not knowing wat a good one should look like or move like was at a bit of a loss can i repair or do i need to buy new one if that is the prob any help ideas most appreciated thanks

 

[Alpha man]

Depending how old the Alpha is, you could probably get away with a divertor valve recon kit, as long as the DHW heat exchanger isnt blocked or scaled, if your reconing the divertor, replace the HW diaphragm at the same time!!!