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This model features an 8-13 psi spring range and includes the D-9502 pilot positioner
Manual Override: Built-in manual lever allows for emergency operation during power loss
This allows you to manually reposition the damper blades without needing 24Vac power
adjustable through the cover for quick setpoint changes
Lochinvar & A.O. Smith 100109972 Control Box 320735-701 This model features an 8-13The Lochinvar & A. O. Smith 100109972 Control Box is a critical replacement component designed for precise sequence control and safety monitoring in high efficiency commercial boilers and water heaters. Engineered to interface seamlessly with the integrated control system, this module manages ignition timing, flame sensing, and temperature modulation. Technicians frequently utilize this OEM replacement part to resolve control board failure symptoms