the Weil-McLain 510-312-317 is the direct replacement for multiple generations of the GV Gold series

it features an Open Air Over (OAO) enclosure and reliable sleeve bearings for consistent heat dissipation and vertical or horizontal mounting flexibility

This typically indicates a failed capacitor or seized motor bearings

Proper handling is critical—avoid touching the ceramic element with bare hands

the "S" designation in the part number G131S44SC-ACTS confirms the internal Teflon orifice seals and stainless steel wetted parts are optimized for steam

Trane VAL7234 TXV 30067439-890 the Weil-McLain 510-312-317 is theThe Trane VAL7234 is an OEM 40 ton thermostatic expansion valve engineered for precision refrigerant metering in high capacity R22 HVAC systems. Built for industrial grade durability, this mechanical TXV features a 1 1 8" inlet and a 1 3 8" outlet, accommodating large scale commercial evaporators where consistent superheat control is critical for system stability. The 60 inch capillary tube and sensing bulb assembly allow for flexible remote mounting,