UKPN:
BTW, rads themselves are considered extraneous.
Not if they, or their pipework, don't introduce earth potential from outside the installation. Recommended test for this in the guidebooks.
However, it's unusual to find CH systems with metal pipework throughout that's not bonded to the MET.
UKPN:
BTW, rads themselves are considered extraneous.
Not if they, or their pipework, don't introduce earth potential from outside the installation. Recommended test for this in the guidebooks.
However, it's unusual to find CH systems with metal pipework throughout that's not bonded to the MET.
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