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Duotone terrace — saffron brief on the left, garden-folded ledger on the right.
2 Switch (110000) for standard SPDT functionality
it maintains an operational temperature range of -40°F to 122°F
Each OEM York heating element kit comes integrated with high-limit thermal cutouts to protect the unit from overheating in the event of a blower failure
Dual Seating Design: Allows for total isolation of the indoor coil or outdoor unit when front-seated
venting flue gases out of the heat exchanger to ensure safe operation and prevent pressure switch trips
Trane AY28X079 Cooling Kit 319847-401 2 Switch (110000) for standardMaintain critical head pressure and prevent evaporator freeze up with the Trane AY28X079 Low Temp Cooling Kit. This evaporator defrost control is a vital integration for commercial and industrial 4TTR6, 4TTA3, and BYC systems, enabling reliable low ambient cooling down to 30F. By cycling the compressor when the indoor coil approaches frost conditions, this condenser fan cycle control prevents oil dilution and ensures stable HVAC refrigerant pressure