Quote:
Originally Posted by Retlaw
Halstead boilers don't need a filling loop, they have a separate little tap built into the water supply underneath the boiler, if the boiler is situated low down you might need a mirror and a torch to find it, usually on the left of the manifold group.
Retlaw.
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I thought the loop was to comply with water regs so you cant get nasty boiler water into your drinking water.
I wonder if they have a double check valve.