For technicians performing HVAC coil leak repairs or full assembly swaps

providing a reliable pilot-operated shift that technicians rely on when troubleshooting units that are stuck in one mode or demonstrating bypass across the discharge and suction ports

this specific part is designed for natural gas (NG) water heaters only

in milder climates or specific applications

this HVAC control module is an authorized component for Carrier

Siemens Building Technology ASK791.165 Fusible Link 318973-401 For technicians performing HVAC coilThe Siemens ASK791. 165 is a precision engineered 165F electrical fusible link designed for integration with UL listed fire and smoke control damper actuators. Built specifically for the OpenAir GJD series, this heat responsive device serves as a critical fail safe within commercial HVAC ventilation systems. When ambient duct temperatures exceed the 165F (74C) threshold, the sensor interrupts power to the actuator, allowing the internal spring return