"IMM" wrote in message
...
"BillR" wrote in message
...
Robert Irwin wrote:
The plumber is about to fit one in our new place on a combi boiler.
Do these work or should I tell him to send it back and get a chemical
one?
Robert
They don't work unless you believe in magic and alchemy.
Mine works.
...........well it is an electronic box, not a magnet.
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