If my combination boiler has got cross bonding ie mains water, gas, hot water, flow and return all cross bonded
surely there is no need for supplementary bonding of bathroom radiators .. when it has already been done at the boiler
am i right in assuming this?
thanks
surely there is no need for supplementary bonding of bathroom radiators .. when it has already been done at the boiler
am i right in assuming this?
thanks