Trane VAL7991 TXV 320720-756 Optimized System Efficiency: Maintains the

Optimized System Efficiency: Maintains the necessary static pressure required for the secondary heat exchanger to perform at peak thermal transfer rates

is a direct OEM replacement designed to provide a secure strip-style junction for internal control wiring and high-voltage power distribution

How do I resolve foam buildup under the cover

High Accuracy: Delivers reliable performance with a 1% total error band across a broad compensated temperature range

Trane VAL7991 TXV 320720-756 Optimized System Efficiency: Maintains theThe Trane VAL7991 TXV is a high precision thermostatic expansion valve engineered for 1. 5 ton HVAC systems. Designed for professional refrigerant flow control, this valve features 5 16 inch ODF x 5 8 inch ODF connections and includes a 36 inch capillary tube to ensure accurate superheat monitoring at the evaporator outlet. As a critical component in maintaining system efficiency, the Trane VAL07991 (the updated OEM part number) modulates refrigerant