the actuator can be mounted to fail either normally open or normally closed depending on the application requirements

While a temporary jumper can confirm a faulty switch

Please note that this valve requires a compatible Ranco LDK series solenoid coil (sold separately) for operation

making it a versatile replacement damper actuator for legacy systems or new installations requiring linear pneumatic control

Resideo L6006A1269/B Controller 318820-201 the actuator can be mountedThe Resideo L6006A1269 B Aquastat Controller is a high performance immersion temperature control engineered for hydronic heating systems, storage tanks, and various liquid media applications. Utilizing a sensitive copper sensing bulb, this controller provides high accuracy thermal feedback for precise boiler temperature regulation. This logic switching device features a Single Pole Double Throw (SPDT) configuration, allowing a technician to wire it as