Stormin Mormon wrote in message
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Pilot Operating Sequencer.

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Christopher A. Young
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"Some Guy" wrote in message
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Some HVAC guys use the term "POS" when referring to (I think) old NG
furnaces with exposed burners and continuously-lit pilot lights.

I think the acronym has something to do with the pilot light, but I'm
not sure.

Anyone know what the "POS" acronym stands for?

Mine called mine a POS and he meant piece of ****. :-)

Cheri