'blonde question'
Is the valve you refer to a white box attached to the pipes? I have two of them (says valve actuator code on front). They have a sliding black switch on the top and a button on the side.
I just pushed one of the switches from right to left, it then 'motored' back to the...
Hi
My first post so please bear with me !!
I have an unvented water system and currently no hot water. The rads are heating ok but water stone cold.
There is a Grundfos pump near the tank which is quite noisy and gets very hot when the water is turned on for heating at the boiler.
I...