Danfoss BFP Solenoid Coil

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Following recently increasingly frequent but random oil burner lockouts, the solenoid coil was eventually found to have failed completely.

To provide some context, simultaneous problems with organic matter restricting the oil flow had masked this problem (the oil pump was replaced 3 years ago so wasn't the prime suspect). After clearing the pipes and verifying adequate oil flow (including through the pump), on reassembly the burner refused to ignite. As it was now after hours, in a desperate attempt to placate my wife and in the absence of a spare Danfoss coil, I fitted the coil from the (seized) Suntec oil pump that had been replaced maybe 20 years ago. It was necessary to add some washers as the Suntec coil was a few millimetres shorter.

Slightly to my surprise, it worked.

My question is whether this arrangement can be considered a permanent solution or will there be any damage to the valve/stem resulting from using the 'wrong' coil? I've read that Danfoss pumps are good but the coils less so and the opposite about Suntec. Have I now got the perfect solution?
 
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If the stem diameters are the same it may last.
I always have spare coils so i have never tried this as a permanent fix.
 
Sorry, I'm waking up. I also have a product of the Suntec brand. I am having similar issue. I think there is an electrical problem. How can I overcome the problem?
 
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Use your multimeter on the coil immediately after a lockout and if it is open circuit, then you need to replace it. The pump reference will be stamped into the shoulder of the pump, probably AN47c ****. Replacement s are available from spares stockists.
 

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