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  1. N

    old Potterton ptt2 to new danfoss ATC wiring mapping

    I'm replacing a duff Potterton ptt2 with a Danfoss cylinder thermostat and need a bit of help on the wiring mapping. Danfoss 1 (COM) 2 (NC) 3 (NO) 4 Earth Potterton 1 H (COM) 2 C (NO) 3 L (NC) 4 (TL) 5 (N) Earths terminated (well, cut back) So.... Potterton > Danfoss 1 >1...
  2. N

    Flat roof chippings

    I've got a small (6msq) single storey flat roof extension that was built in 1977 and re-roofed in 1994. The flat roof has no chippings, which was something the surveyor commented on when I bought the house. I've bought some Cromar cold gritting adhesive, but my problem is trying to find...
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