I've an Ideal Concord CX60, open system, radiators and water heating - both
Pilot light stays on, 3-port valve functioning, external thermostat on wall
functioning, pump running (spindle is certainly turning).
Switch boiler on and it runs for 2 or 3 minutes then it shuts down;
eventually it will come back on and repeat the cycle...
Problem arose Friday afternoon during normal operation when I noticed that
the heating had gone off.
Is it the thermostat in the heat-exchanger water-jacket that has developed a
Is the pump not really pumping and so the heat's not being shifted away from
the boiler and the boiler 'stat is shutting down?
Other than that, I've run out of ideas.
Any suggestions gratefully received.
- posted 12 years ago