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If the cad cell fails to detect a flame within the specified trial-for-ignition period
while the manual override allows for straightforward commissioning and emergency positioning without requiring a power source
A direct 1-to-1 replacement for the GE 3ARR3MARS550
With a defined 1
while the one-handed "push-button" release simplifies installation on standard Erie zone valve bodies
Honeywell MS4104F1210 Actuator 318172-701 If the cad cell failsThe Honeywell MS4104F1210 is a high performance Fast Acting Actuator engineered specifically for fire and smoke applications. This 120 Vac spring return actuator delivers 30 lb in of torque, ensuring reliable fail safe operation in critical life safety systems. Designed for precise two position control, it handles UL555 and UL555S requirements for leakage and fire ratings. This model features a 95 degree stroke and is compatible with a 1 2 inch round