the 031-02742-000 is specifically balanced for use with the ETS series stepper valves

Verify the 4-digit SPEC number (2920) stamped near the drive shaft

This operator is built with internal holding solenoids and motor winding sets that provide consistent torque for high-cycle environments

the cycle terminates automatically when the dial reaches zero

preventing gas buildup in the enclosure in the event of diaphragm rupture

MARS 12116 Run Capacitor 321894-706 the 031-02742-000 is specifically balancedThe MARS 12116 Run Capacitor is a high performance 100 MFD 370V round run capacitor specifically engineered for heavy duty HVACR applications. Designed for 50 60 Hz single phase motors, this OEM grade capacitor meets rigorous EIA 456 A standards, offering a reliable 60,000 hour operational life. For technicians replacing older 100 microfarad 370Vac units, the MARS 12116 provides a seamless fit with its 2. 5 inch diameter and 4. 75 inch case height.