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When installing this OEM HVAC component on single-phase systems with a reciprocating compressor
As a direct replacement for part numbers often ending in BX
it is specifically validated for Aaon replacement parts catalogs
Always verify your specific model's parts diagram before installation
How does it differ from the 180200-656
Trane VAL8683 Valve 318973-401 When installing this OEM HVACThe Trane VAL8683 is a high precision thermostatic expansion valve (TXV) designed specifically for R22 refrigerant systems with a 3 ton nominal capacity. Engineered for field replacements and OEM repairs, this valve features a 3 8" inlet and a 1 2" outlet ODF connection, ensuring a secure fit in the liquid line. As an externally equalized component, the VAL8683 valve excels at maintaining precise superheat levels across varying load conditions,
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