Description
allowing for ventilation timing and precise control over indoor air quality
Key Benefits Universal Voltage Compatibility: Operates efficiently across 120V to 277V AC
utilizing OEM Armstrong parts like the A21959-1 ensures HVAC repair reliability and long-term system performance without the risks associated with generic sealing components
Designed specifically for Rheem
York S1-VLV-012B-410 TXV Freon allowing for ventilation timing andThe York S1 VLV 012B 410 TXV is a precision engineered OEM thermostatic expansion valve designed specifically for 1 ton residential and light commercial R410A systems. This metering device is critical for maintaining the correct evaporator superheat, preventing liquid slugging to the compressor while ensuring maximum heat transfer efficiency across the coil. Featuring 3 8 x 1 2 inch ODF sweat connections, this valve provides a reliable, leak resistant