Recent content by jagspit

  1. J

    Heatrae Sadia Megaflow relief valve

    Thanks everyone for all your input. A new bubble was born on Sunday evening. I followed the advise from ChrisR to use the drain cock, it gurgled away for an hour and then all went quiet.(didn't see any fish) Shut the p&t valve & the drain cock, fired up the boiler and all is fine. Thanks again...
  2. J

    Heatrae Sadia Megaflow relief valve

    Thanks folks, have read the manual many times, have held the p&t valve open for 2 hours with the aid of a lightly gripped molegrip but no water comes out of the hot tap only the p&t into the tundish, then released the valve when the gurgling stoped. I have found that if I thunp the tank with my...
  3. J

    Heatrae Sadia Megaflow relief valve

    gas4you-thanks for the reply, the 1 bar I quoted is set on the guage on the pressure vessel, I presume this is only for the central heating. The cold inlet pressure itself is very strong. Could you please explain more about "the bubble" and how to restore it.
  4. J

    Heatrae Sadia Megaflow relief valve

    I had a Heatrae Sadia Megaflow 170 S type installed about 3 years ago in my bungalow (the boiler is oil fired). Recently since building a 1 story extension with upstairs basin and shower added to the system, the temperature/pressure relief valve opens when the water reaches its set temp of 55...
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