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Mend Heating Radiators Troubleshooting

what is the problem?

we have hot water but the radiators are not working?

tom hughes
November 2010
Heating, Home Heating SystemsHeating Radiators Troubleshooting
You need to check for 240v on terminal 4 of the wiring block on the pcb, if 240v is present, the clock and/or roomstat are working correctly.

It then comes down to diverter valve or pcb not opreating diverter valve.

Carefree
November 2010
valliant turbo plus 828E

tom hughes
November 2010
The problem is:


































You have failed to give any details of boiler make/model type of system etc!

Carefree
November 2010

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Radiators Not Working But Hot Water? - Fixes