Hi, hoping for some help please.
We have an unvented system with Megaflow cylinder, but not getting hot water from the boiler. Heating working fine.
We had an engineer out who replaced the diaphragm and then the pcb, but still nothing. He suggested the motorised valve next, but I have no faith in him.
I’ve had a look through guides and it may point to this. When I turn on the heating one valve opens and the boiler fires with no issues.
When I try to turn on the hot water there’s no movement in the second valve. I can open it manually using the valve lever and the water flows through, so no blockage at least.
So, how do I work out if it’s a fault in the tank stat, valve head, the Hive programmer, or something else?
I appreciate your help.
We have an unvented system with Megaflow cylinder, but not getting hot water from the boiler. Heating working fine.
We had an engineer out who replaced the diaphragm and then the pcb, but still nothing. He suggested the motorised valve next, but I have no faith in him.
I’ve had a look through guides and it may point to this. When I turn on the heating one valve opens and the boiler fires with no issues.
When I try to turn on the hot water there’s no movement in the second valve. I can open it manually using the valve lever and the water flows through, so no blockage at least.
So, how do I work out if it’s a fault in the tank stat, valve head, the Hive programmer, or something else?
I appreciate your help.