Temperature operated disc  Features a bimetallic disc that senses discharge temperature and opens at approximately 270 Deg F internal plenum temperature

Internal pressure relief  Opens at approximately 400 +/- 50 pounds differential

Floating seal  Separates the high side from the low side and also prevents the compressor from drawing into a vacuum, damaging the electrical terminal

Internal motor protector  Senses both internal temperature and amperage

A tripped motor protector will exhibit a high shell temperature Allow the compressor to cool to reset the motor protector

Better product availability

Easy installation

Simplified compressor selection

Quiet, reliable operation

Reduced service compressor stocking requirements

Improved opportunity for meeting customer needs

6th generation fixed speed compressor

Up to 5% higher performance vs. ZPK5 fixed speed compressor

6th generation fixed speed reciprocating compressor