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Duotone terrace — saffron brief on the left, garden-folded ledger on the right.
The Lennox Y3653 Universal Twinning Kit (also identified as Y365301) is an essential HVAC control component engineered to synchronize the operation of two separate HVAC units from a single 24V thermostat
Its versatile power handling supports 24/120/240 VAC inputs
providing reliable condensate drainage under fluctuating pressure loads
We recommend installing a check valve at the inlet to maintain the internal water seal
F and 250 PSI at 400
York S1-1TVM4G1 Expansion Valve 321702-401 The Lennox Y3653 Universal TwinningThe York S1 1TVM4G1 is a mission critical 3 Ton R410A TXV engineered for precise refrigerant metering in York, Luxaire, and Coleman air handlers. Built with a 5 8" x 5 8" ODF connection, this thermostatic expansion valve provides the accurate superheat control necessary to maximize evaporator efficiency and protect the compressor from liquid slugging. The 30 inch capillary lead allows for flexible sensing bulb placement, ensuring the valve responds