Thanks for the reply..yes plenty of room around the actuator head for ventliation; just worried that it stays hot even when heating & HW are switched off. But if it's supposed to stay warm i'll stop worrying!
I hope someone can put my mind at rest!
I've recently had British Gas out as my 3 port-valve was not operating properly. They removed & cleaned the body of the valve as well as replacing the Danfoss actuator head with a new Sunvic head.
The valve is now operating properly; but i have...