Question about Honeywell CT87B ROUND HEATING&COOLING MECHANICAL THERMOSTAT - WHITE Heater

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Furnaace keeps recycling stops and starts up immediately again white wire is to R, other wire to W, switch one is off and switch 2 is on, it a 90+ efficiency furnace

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Http://customer.honeywell.com/techlit/pdf/69-0000s/69-0721b.pdf

Posted on Dec 29, 2010

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Manual says:
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