how do I rectify the fault as detailed below?
my boiler will no work?
can i replace my Potterton EP2 2 way programmer with a Center EHE0200361 RF?
Vailliant turbo max plus 824e?
Vaillant ecotec 831 plus?
Vaillant vcw gb242 eh central heating problem?
Valiant thermostat , BMU-Err ?
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Hot water comes and goes!?
Problem with the pressure in combi boiler?
Vaillant ecotec plus 630?
Vaillant Ecotech Plus 831 F22 fault?
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