Discuss Oil boiler flow switch tripping high limit stat in the Plumbing Jobs | The Job-board area at PlumbersForums.net
If flow switch sticks on then burner will continue to heat boiler but tap will not be taking away heat. Thermostats may not cut in quick enough.
Warmflow combi?
Reply to Oil boiler flow switch tripping high limit stat in the Plumbing Jobs | The Job-board area at PlumbersForums.net
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