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this unit is built for the rigors of commercial building automation environments
Operational control is handled by an aluminum type wheel and a 1/4" needle drain valve for precise maintenance and system blow-downs
the Lennox 57W75 is the factory-authorized functional and physical successor to the 31J95 limit switch
What causes the capillary to fail on these high-limit switches
Lennox 13Y20 TXV Valve Els PW 17895 this unit is built forOptimize your outdoor cooling configuration with the Lennox 13Y20 4 Ton R410 TXV Valve, a mission critical thermal expansion device designed for precise refrigerant metering. This forged brass valve is engineered specifically for 4 ton air conditioning systems and heat pumps, ensuring that the evaporator coil remains effectively fed without the risk of liquid slugging. With a 1 2 inch FNPT inlet and 3 8 inch FNPT outlet, the 13Y20 integrates
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