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My dad has a valliant boiler VP4 ZE15 IT IS AROUND 3 YEARS OLD IT ISNOT IGNITING I HAVE TURNED PRESSURE UP AND HELD THE BUTTON IN FOR A MINUTE. i CANNOT FIND WHWERE THE RESET BUTTON IS TO TRY THIS PLEASE HELP

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Turn the power off at the wall , wait 60 seconds and the boiler will automatically reset.

Modern boilers are complex re safety and the boiler will only start if the exhaust fan is running and is up to speed .

The vacuum caused by the fan trips a switch and allows ignition to continue

If the pilot light does not come on it does not warm up the thermocouple which turns on the main gas valve.

If you go to the Valliant website they will supply you with a user guide

Posted on Sep 28, 2009

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