Various ways to identify a faulty motorised valve
4:18
How to change a 3 port motorised valve on an open vented system
9:08
Motorised Valve Fault Finding
5:07
How to renew a motorised valve motor or head. No draining down.
28:41
Drayton training - Motorised Valve fault finding
7:12
No heating? An easy fix using a switch on the motorised valve
4:40
Central Heating Repair - Motorised Control Valve Fix
9:05
Port valve diagnosis and repair
10:14