and 240V for broad system compatibility

The top-mounted adjustments for pressure regulation and 1/4" male quick-connect terminals allow for a straightforward installation when you're diagnosing a weak flame signal or a shorted coil

It does not require a dedicated power supply to function

Why is there no manual stem on this model

The 40003916-036 and 40003916-036/U are functionally and technically identical

Trane VAL8988 TXV 319848-301 and 240V for broad systemThe Trane VAL8988 Thermal Expansion Valve (TXV) is a critical OEM replacement part engineered for precise refrigerant metering in R410A air conditioning and heat pump systems. Optimized for 3 ton capacity systems, this valve features 3 8" x 1 2" ODS connections and is rated for pressures up to 500 PSI. It maintains a consistent evaporator superheat, protecting the compressor from liquid slugging while maximizing the efficiency of the indoor evaporator