This SPNO (Single Pole Normally Open) unit is engineered for 48VDC continuous duty cycles

it is specifically designed for controllers calibrated for the A99 sensor curve and is not a standard 10k Type II or III NTC thermistor

Simplified Installation: Includes pre-installed 18-inch electrical leads and an open frame coil design for easy access in tight control cabinets

048229 is the specific Emerson/Copeland SKU

Universal Compatibility: Direct drop-in for York

Johnson Controls A19AGF-31 Temperature Control Els PW 17895 This SPNO (Single Pole NormallyThe Johnson Controls A19AGF 31 is a precision engineered mechanical temperature control designed for heavy duty industrial and commercial HVACR applications. This remote bulb temperature control features a Single Pole Double Throw (SPDT) switch configuration, providing versatility for both heating and cooling circuits across a voltage range of 24 to 277Vac. Built for reliability, it operates with an automatic reset mechanism and maintains a tight 1. 5