Multi Products 3754 Actuator Refrigerant What symptoms indicate this time

What symptoms indicate this time delay relay needs to be replaced

This spring is designed for Use with Maxitrol 210G and RV111 series regulators

Can I clean this probe instead of replacing it

Industrial Pressure Ratings: Rated for 300 PSI cold water pressure

15 1/2" Length

Multi Products 3754 Actuator Refrigerant What symptoms indicate this timeThe Multi Products 3754 Actuator is a field proven 120 240V actuator designed for heavy duty damper motor replacement and industrial ventilation control. Engineered with a rugged torque box architecture, this unit features a dual voltage 110 240V AC impedance protected coil within a high grade zinc die cast housing. This HVAC actuator delivers a consistent 2 RPM output with a robust stall torque of 70 in lb, making it the go to choice for technicians