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Mend Vaillant VCW GB 242EH Boiler Central Heating Lockout

vaillant boiler VCW GB 242EH?

Central heating OK.
D.H.W Intermittant working,ie,switch shower on and anything from 15/30 minutes will go to lock out.The triping times can vary.This boiler has given excellent
service over the years but has always been dogged
by this problem and never been completly cured
of "Locking out" on the D.H.W side.
Do your best ...
Ted.

Ted R.
December 2009
VaillantVaillant VCW GB 242EHHeating, Home Heating SystemsBoiler Central Heating Lockout

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Vaillant VCW GB 242EH Boiler - D.H.W Lockout