If we take off the BDR91 plate and don't see any earthing cables, what do you recommend we do? Just, ignore it?
Thank you so much flameport, this is re-assuring, so I think we will try and give it a go soon!
Best,
JeffyJeff
Hi all!
Our old thermostat controller isn't working anymore, so we are looking to do a DIY upgrade from the old Honeywell BDR91 to Hive. We would appreciate some advice from the experts on this forum!
We have a "Vaillant EcoTech Pro 28" combi boiler, and I have attached the current BDR91...