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countryriders2
Dec 24, 2011, 08:52 PM
I am trying to install a Tx500E thermostat (heat only) Do I need the jumper wire and why is the fan and heat display flashing

wmproop
Dec 26, 2011, 12:27 PM
No u don`t need jumper
Not there to figure why flashing,, try turning off the breaker to furnace for a minute and turn back on, see if that helps