Recent content by malk

thanks everyone how does one find a dead leg and wouldn't a non-return valve be easier to fit than an arrestor (whatever that may be)

Hi all, I've got a Vaillant turbomax boiler, and when i turn the cold tap off, the boiler starts its ignition sequence as for hot water demand. The only way i can avoid this is to turn the cold water off *very* slowly. I've also noticed the igition sequence starting when my next door...