Does this unit require a separate coding card

System Protection: Monitors temperature inputs to prevent coil freeze-ups and potential liquid slugging

Common Questions Is the MP-9630 a spring return or non-spring return actuator

allowing technicians to bypass the automated schedule for maintenance or testing without disrupting the primary timing sequence

Efficient Installation: Features sequential footage markings and a high-tensile ripcord to reduce labor time

Mueller Industries BD34519 Valve 322056-301 Does this unit require aThe Mueller Industries BD34519 is a high performance refrigerant relief valve engineered for critical over pressure protection in commercial HVACR systems. Specifically designed for liquid receiver applications, this 235 PSI relief valve ensures system integrity by venting excess pressure before it reaches hazardous levels. Featuring a 1 5 16" NPT inlet and an NPTFI outlet, the BD34519 (identical to model B34519 235) provides a robust straight thru