thanks for your help guys.
You are possibly right - maybe it was disconnected deliberately but I want to wire it up to see if it worked.
So L1 in the receiver to SL in the boiler.
What does N in the receiver get connected to?
Should SL and L in the boiler be bridged as well as they are at...
I've just bought a flat with a Keston C36 boiler and Siemens RCR10/433 receiver.
Unfortunately it looks like the wire of the receiver has been pulled out of the boiler. I'm struggling to find any manuals that clearly explain how to rewire up the receiver.
The connections on the boiler are:
L...
