Armstrong International D24660 Operator Els PW 17895 technicians should use calibrated wrenches

technicians should use calibrated wrenches to meet the manufacturer's torque requirements

Industrial Grade Construction: Manufactured for high-cycle applications in damper and actuator assemblies

this HVAC safety switch is calibrated to provide high-limit protection by breaking the electrical circuit to the gas valve or ignition control if internal temperatures exceed factory safety thresholds

ensuring fewer nuisance alarms while maintaining commercial fire alarm system integrity

For Use with 13" MP953B

Armstrong International D24660 Operator Els PW 17895 technicians should use calibrated wrenchesThe Armstrong International D24660, also identified as part number 6005640, is a heavy duty LV 4 Direct Valve Mounted Thermostatic Operator engineered for precise hydronic temperature control. This unit features a high sensitivity liquid filled sensor that provides superior responsiveness to ambient temperature fluctuations compared to standard wax filled alternatives. Designed for seamless integration with Armstrong radiator valves, the D24660