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The Lennox 12J37 is a thermostatic expansion valve designed for 5-ton refrigeration and air conditioning systems. It regulates refrigerant flow to the evaporator, enhancing system performance and efficiency.
This TXV valve ensures reliable operation and longevity in commercial settings, thanks to its robust design and precision engineering.
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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