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The Lennox 56J19 Expansion Valve is a critical component designed for optimizing HVAC performance. Suitable for 1.5 to 3 ton systems, this thermal expansion valve facilitates the efficient operation of air conditioning units by regulating the flow of refrigerant.
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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