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2210 Electronic Thermostat
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2210 Electronic Thermostat Conversion to:
Lennox HP19 and HP20 Heat Pump Systems
24 VAC, Return
Compressor Contactor
Reversing Valve (Cooling Mode)
Fan Contactor Circuit
Emergency Heating Circuit
2nd Stage Heating Circuit
24 VAC, Common
Lennox HP19 and HP20
Low V
oltage T
erminal Board