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Precise Calibration: The helical-style element is factory-calibrated to ensure accurate switching at the 0-43
Engineered to withstand high-temperature environments within the burner assembly
ensuring BAS controller compatibility across various legacy and modern HVAC platforms
as well as the 5H series (5H40
Is this valve compatible with LP (Propane) units
Nordyne 669681R TXV Valve 321702-401 Precise Calibration: The helical-style elementThe Nordyne 669681R TXV Valve is a critical engineering component designed for high precision refrigerant metering in 3 ton R410A refrigeration systems. This TR6 3L thermal expansion valve utilizes a balanced port design to maintain optimal superheat across varying load conditions, ensuring the evaporator coil operates at peak thermal efficiency. Built with a robust bronze body, this OEM HVAC replacement part is engineered to withstand the rigorous
US$ 649.50
US$ 2524.50