In message , Stephen Gower
writes
A friend wonders what this device is, found in an alcove in a corridor of his
workplace: http://www.michaelhowe.org/images/IMAG0003.jpg
He's pretty sure that pipework isn't actually connected to the gas, and he's
not in the maintenance department, so this is pure curiosity!
Its for underfloor heating - ha ha
--
geoff