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The York S1-VLV-003 is a thermal expansion valve suitable for HVAC systems. This component regulates refrigerant flow to the evaporator, which helps maintain superheat levels and optimize cooling performance. Its design includes a three eighth inch inlet and a one half inch outlet, both featuring ODF (Outside Diameter Fitting) connections.
Efficiently manages refrigerant flow to maximize cooling capabilities.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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