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  1. Bravo Tango

    A very Intermittent Ravenheat RSF 100ET

    I have a RAVENHEAT RST 100ET that is very intermittent. Whether on Heat or Hot water, the Fan and motor run fine but doesn't always fire. After a couple of more tries it still may or may not fire. If it doesn't the red light comes on. After resetting, again same situation. Sometimes it will work...
  2. Bravo Tango

    Ravenheat RSF100ET

    The diverter valve was playing up, replacement did the trick! However now I have new intermittent issues. Whether on Heat or Hot water, the Fan and motor run fine but doesn't always fire. After a couple of more tries it still may or may not fire. If it doesn't the red light comes on. After...
  3. Bravo Tango

    Ravenheat RSF100ET

    I beg your pardon, it is a diverter valve. It was bought just when the new rules were coming so must be 2005. Today, as soon as power to the boiler is switched on, with main switch set to DHW only, and with both thermostats set to minimum, the heating came on and I couldn't get it to go off. Now...
  4. Bravo Tango

    Ravenheat RSF100ET

    My Ravenheat RSF100ET is some 7 years old and has had various problems but the latest one has troubled my limited skills. Recently it has started heating the radiators whilst hot water is in use, and I know that is either the 3 way valve or the DHW pressure switch. But now even with the timer...
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