Thread: Furnace not coming on with programmable thermostat
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Oren[_2_] Oren[_2_] is offline
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Default Furnace not coming on with programmable thermostat
On Wed, 25 Jan 2017 13:40:54 -0800 (PST), home owner
wrote:

The furnace does turn "On" and "Off" (so the thermostat wiring is OK)

How do you know the "wiring is OK"?
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