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    Devimat 550 Underfloor Heating Not Working

    Hi, My underfloor heating seems to have stopped working. Symbol to show it's below setpoint temperature comes on, however the mat doesn't heat up whether on manual or timer. It worked erratically last year and sometimes required the consumer unit switch turned on and off for it start heating...
  2. C

    Mains cold feed & positive feed hot

    Hi, Just installed a mixer shower which works with all hot water systems. Have installed a regulator valve on cold input into mixer to reduce flow, however hot water pressure is too low, so mains cold pressure over powers hot feed, so just a warm drizzle!!! Am looking at installing a 1.8bar...
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