we recommend contacting our support team to verify the specific hardware included in the current manufacturer packaging

Electronic Stall Protection: Protects the internal gear train by automatically shutting down the motor at the end of the stroke or if an obstruction is detected

For 12-inch diaphragm models like the 243-12

this component provides the necessary electromagnetic force to maintain system pressure and flow integrity

25-inch shaft diameter

Lochinvar & A.O. Smith 100109259 Valve 318820-201 we recommend contacting our supportAs an HVAC industry standard, the Lochinvar & A. O. Smith 100109259 Valve is a critical safety component designed for high performance water heating systems. This 3 4" T&P Valve is engineered to protect residential and commercial boilers by managing both thermal expansion and internal pressure. With a factory set 150 PSI pressure relief and a 210F temperature relief threshold, this valve ensures fail safe operation when system variables exceed safe