Search results

We have established there's a leak somewhere in the piping, our Vaillant loses pressure over a 48hour period. We've had leak sealer in and it solved the problem for 5 days. We've changed a radiator with a rusty valve connection. No joy Problem is, there are no obvious damp patches showing on...

We just replaced our boiler with a Vaillant ECOTEC and two months on it's driving us mad! The pressure regularly drops to zero after 36 hours and fails with an F22, leaving us having to manually build it back up. There are violent bubbles and sloshes when it kicks in in the morning from cold...