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The York S1-4000 is a key component for HVAC systems. It serves various roles, including functioning as a piston for regulating refrigerant flow, a liquid filter-drier for removing moisture and contaminants, or a removable crown for protecting internal parts of heating systems.
This component supports high efficiency in HVAC installations.
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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