Trane VAL8683 Valve 318973-401 When installing this OEM HVAC

When installing this OEM HVAC component on single-phase systems with a reciprocating compressor

Always verify your specific model's parts diagram before installation

single throw (SPST) contact configuration rated for up to 50A

Durable Construction: Features high-performance materials that resist oxidation and thermal fatigue under high-demand operating conditions

Industrial Durability: Constructed with high-grade laminations and copper windings to reduce humming and electrical noise in the 24VAC control circuit

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,