Can a Honeywell RTH8500 thermostat be used to replace a Lennox (P)X4147 and if so were do I terminate the S1 and S leads on the Honeywell thermostat?
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Can a Honeywell RTH8500 thermostat be used to replace a Lennox (P)X4147 and if so were do I terminate the S1 and S leads on the Honeywell thermostat?
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