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-   -   Honeywell primary control for oil heat (http://www.diychatroom.com/f17/honeywell-primary-control-oil-heat-163250/)

patrickmhart 11-13-2012 06:26 PM

Honeywell primary control for oil heat
 
I have a Honeywell primary control.....I know the purpose of this control and its function but.....The one i have trips out and leaves the boiler running...the wiring is correct....I disconnected the CAD cell and it will still run.....The primary worked last season but i have never found one to fail in the closed position. Is it just a bad control or am I missing some thing?


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