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Mend Vaillant Home Heating Systems

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Mend Vaillant H Pump Keeps

My Vaillant VCW GB 280 H combi-boiler, pump keeps running ?

The pump on my Vaillant some times keeps running after the heating and hot water demand have switched off?
The hot water and heating is working OK except for this.
This seems to happen more so after the hot water has been running for a long time.

Phil
February 2014
VaillantHeating, Home Heating SystemsH Pump Keeps
The VCW pump timer is able to be set from 1-12 minutes, it comes factory set at 5 minutes, if the pump runs on (after any use), for approximately 5 minutes, it is working as designed and you may be looking for a fault that doesn't exist

Carefree
March 2014
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