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Mend Ravenheat White Star Changed Problem Runs

Changed Thermistor same problem?

I have 7 y old Ravenheat white star.
It runs correctly for about 15 minutes then stops and the orange flame failure switch comes on. Press the switch and it carries on working for 10/15 minutes.

I presumed it was the thermistor sensor and changed it but the symproms are the same. Any ideas?

thanks

couresportivo
October 2010

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