The 1/4" external equalizer line monitors evaporator outlet pressure directly

The robust junction construction is engineered to withstand high ambient temperatures within the pilot burner assembly while maintaining consistent millivoltage output

Enhanced Signal Integrity: Designed to deliver consistent microamp feedback even in high-static environments

Installing the 510-811-644 replacement kit restores the proper millivolt signal to the gas valve

Durable Construction: High-grade stainless steel material offers superior resistance to fatigue and thermal cycling in steam service

York S1-025-38907-000 TXV Freon The 1/4" external equalizer lineThe York S1 025 38907 000 is an OEM engineered 2 ton R 22 expansion valve designed for precise refrigerant metering in York, Luxaire, and Coleman residential evaporator coils. As a veteran grade HVAC thermostatic expansion valve, this component utilizes a 3 8" x 3 8" physical connection size to ensure seamless integration into existing liquid line configurations without the need for additional adapters. The integral 30 inch capillary tube provides the