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The Parker Hannifin 040340-03 is a thermostatic expansion valve designed for use in air conditioning and refrigeration systems. This valve features externally equalized connections and is ideal for small refrigeration systems, slush machines, and more.
This valve is engineered to facilitate optimal performance in air conditioning and refrigeration applications, ensuring reliable operation in small units.
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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