York S1-025-38739-060 TXV 321142-301 this continuous retry module will

this continuous retry module will keep attempting the ignition sequence to ensure the boiler returns to operation as soon as conditions are favorable

It is primarily utilized in HVACR damper control

the zero and span potentiometers can be field-adjusted to match your specific branch line requirements

we recommend #14 or #16 AWG MTW or THHN copper wire

Professional Grade Construction: High-amperage SPST switch handles up to 80 LRA for heavy-duty compressor motor loads

York S1-025-38739-060 TXV 321142-301 this continuous retry module willThe York S1 025 38739 060 TXV is a precision engineered thermostatic expansion valve designed for high efficiency 3 ton R410A systems. As a critical HVAC replacement part, this valve manages refrigerant flow by maintaining a constant superheat at the evaporator outlet, effectively preventing coil freeze up and slugging in the compressor. This OEM spec R410A expansion valve features 3 8" x 3 8" ODF sweat connections for secure brazing and includes a 30