While this could be a faulty internal diaphragm

Standard Compatibility: Features a 1/2" Male NPT connection for seamless integration into existing HVACR piping systems

you know that a tripped limit is often a symptom

this protector significantly minimizes system downtime and prevents the high costs associated with premature compressor replacement in professional cooling applications

For technicians extending runs

Danfoss 068Z3402 Expansion Valve Els PW 17895 While this could be aField proven and reliable, the Danfoss 068Z3402 is a dedicated TS2 thermostatic expansion valve engineered for precision refrigerant metering in medium and low temperature refrigeration systems. Designed specifically for R404A and R507 systems, this valve utilizes an internal equalization port, making it ideal for compact evaporators where pressure drop across the distributor is minimal. The 3 8" x 1 2" flare connections ensure a secure, leak free