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Title: American Standard / Trane 3‑Ton OEM Thermostatic Expansion Valve  
Category: HVAC Parts  
Brand: Trane / Service First  
Description: OEM thermostatic expansion valve for 3‑ton R22 air conditioning units.  
Details: Features flare connections, 500 PSI rating, and is compatible with Trane, American Standard, and Service First systems.

Price is $