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  1. M

    vailant turbomax intermitant hot water

    boiler fails to light on hot water some times red light comes on turn off then back on and works fine all day heating fine
  2. M

    ravenheat rsf 820 /20 pilot

    hi has anybody got a fault finding chart for ravenheat rsf 820 20 !! . pilot light and main burner on low when no call for heat or h water ? then lockes out as to hot as pump not runing
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