This specialized tool features a hardened Allen head tip specifically machined to engage with the setpoint adjustment screws and cover mounting hardware on Johnson Controls pneumatic controllers

Universal Compatibility: Functions as a direct cross-reference for Mars

you must ensure a ground reference is established

What is the significance of the blue color coding

KMC Controls MEP-3503 Actuator Els PW 17895 This specialized tool features aThe KMC Controls MEP 3503 Actuator is a precision engineered 24VAC zone actuator designed for high reliability on off control in HVAC systems. Built with an internal spring return (S R) mechanism, this normally open (N O) unit ensures a fail safe position during power loss, making it a staple for critical dampening and VEZ series valve applications. For technicians, the MEP 3503 provides a streamlined installation with its compact 2 position design,