and springs required for a complete top-to-bottom teardown

verify your HVAC electrical schematics to ensure correct pin alignment and ground continuity

but ensuring your condenser fan motor is "speed controllable" or "PSC" is critical to prevent motor hum or overheating at lower voltages

providing a secure anchor point to the damper frame or ductwork

Trane VAL9185 TXV 323055-751 and springs required for aFor veteran technicians servicing high capacity 5 ton systems, the Trane VAL9185 TXV is the standard OEM replacement for maintaining tight superheat control. This genuine Trane VAL09185 Thermostatic Expansion Valve is designed for R410A refrigerant and features field proven brazed ODF connections (3 8" inlet by 1 2" outlet) to ensure a leak free seal in high pressure air handler applications. As a balanced port valve manufactured by Sporlan for Trane,