I'm using good quality alkaline
RF interference: possibly. There's no pattern with anything I'm using, but we live in a flat so could be the neighbours, not sure what I could do about it?
I've a Worcester Comfort+II thermostat which connects to the Greenstar boiler via a "Key" receiver unit inserted into a slot in the boiler
The system is three years old, and has been completely fine, but has in the past few days started losing the RF connection
Following instructions from the...