Recent content by davidgpa2

In one of your forums someone stated that a split-load CU protects circuits by RCDs and a dual CU doesn't. So what protection DOES a dual unit provide? Surely ALL circuits are protected by an RCD even if several circuits use the same RCD?

Sorry I did not make this clear. The thermostat is not wired. The receiver has Honeywell on it. When its button is pushed the green light comes on and the boiler starts up. There is no temperature control and the boiler must be switched off manually. If I replace the receiver how do I know the...

My CM907 thermostat has stopped talking to the boiler. I can control the boiler manually. I have replaced the thermostat and it appears to be OK but still not talking to the boiler. Is it as straightforward as replacing the boiler receiver? Paired transmitter/receivers must use the same...