the system must never be left operating without a functional HH19ZA135 limit control in place

and GE C4353R

this OEM component ensures drop-in compatibility and restores system performance to original factory specifications

Technicians should inspect for elongated mounting holes

The unit features integrated auxiliary switches for precise position feedback to the building automation system (BAS)

KMC Controls HMO-4004 Kit R-407A the system must never beIf you are installing KMC Controls MEP 4000 or MEP 4800 series actuators on valve bodies that lack the built in quick mount feature, the KMC Controls HMO 4004 Kit is your required hardware solution. This anti rotation ball valve mount provides a stable, rigid connection that prevents lateral shifting and ensures consistent torque transfer during high duty cycles. As a veteran grade actuator linkage kit, it eliminates the common issue of valve stem