Honeywell Analytics S301-IRF-R134A Gas Sensor Refrigerant For contractors performing scheduled maintenance

For contractors performing scheduled maintenance or troubleshooting fouled check valves

Universal Compatibility: Serves as a versatile HVACR service replacement for multiple OEM and Johnson Controls A72 series models

Once the pressure rises to the 60 PSI close setpoint

When replacing a damaged or corroded housing

This part number typically refers to the valve body and internal kit

Honeywell Analytics S301-IRF-R134A Gas Sensor Refrigerant For contractors performing scheduled maintenanceThe Honeywell Analytics S301 IRF R134A Gas Sensor is a professional grade infrared refrigerant gas detector specifically engineered for high accuracy monitoring of R134a levels in demanding mechanical room environments. As the direct updated version for the 301 IRFS R134A, M 505415, and VA301IRFSR134A, this unit integrates seamlessly with the Honeywell 301EM 20 Series controller to form a code compliant leak detection system. Utilizing advanced