Red and white wire from wall, new thermostat has 2 black wires from the back of it. It is a Honeywell model r 430 and it is a sealed unit.

From what I find, Honeywell R430 is not a thermostat but a part of a system integrator for building control. Thermostats have terminals on them, not wires.

Google Honeywell R430 and you will see.

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Originally Posted by ma0641

From what I find, Honeywell R430 is not a thermostat but a part of a system integrator for building control. Thermostats have terminals on them, not wires.

Google Honeywell R430 and you will see.

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The model # is RLV4305A it was a typo. There are 2 black wires coming out the back of it.

Looks like they hook up any way. Manual is linked
http://www.google.com/url?sa=t&rct=j...DQ1bcLNmbdcDZw

Quote:

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Originally Posted by ma0641

Looks like they hook up any way.

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Thanks, I just read that the wires are not polarized. Thanks