Recent content by johnhh43

I have lived in my house since 1973 (when it was built). The electrical wiring has a flat grey plastic covering. After 37 years, should the house be rewired even though there are no obvious problems ? I am currently considering insulating the attic, but because of the electric cabling in the...

My Vaillant Combi system has been losing pressure over the past two weeks to the extent that I have had to add water on four occasions to bring the system up to 1bar plus to get the boiler to fire. I have now found a leak on the thermostatic valve of a small upstairs radiator. On turning the...

I'm new to the Forum and am about to show my ignorance of central heating systems, but please bear with me. I recently had my 20 year old boiler replaced with a Vaillant combi boiler. The central heating system is controlled from a wireless programmable room thermostat situated in my living...