ok, so i now have my underfloor heating kit and i am ready to install. here is my plan:
tee into the ring via a 30amp junction box and run 2.5mm cable to a fused spur. then to thermostat etc. the upstairs ring is protected by a type B mcb on the consumer unit and i have an earth leakage circuit breaker as well, rated at 63amp load, 30mA trip.
does this sound ok? might be being paranoid, but the installation guide stipulates a 30mA RCD. what i have i think is fine, i could insert a fused spur RCD i know, but they are frankly a little bulky and ugly so would rather not fit unless necessary! of course they are to keep us safe so if needs must i will fit one but would rather not if not required.
also i've been told that having two RCDs on the same circuit can be a nightmare as they constantly make eachother trip. is this true?