Johnson Controls P70MA-2 Pressure Control R-410A Does this element require field

Does this element require field calibration after installation

What is the difference between this and a 5-2-1 kit

Can this sensor help meet building energy codes

Is this valve internally or externally equalized

the orifice assembly itself is interchangeable between both valve bodies

Johnson Controls P70MA-2 Pressure Control R-410A Does this element require fieldThe Johnson Controls P70MA 2 Pressure Control is a heavy duty dual pressure switch engineered specifically for ammonia refrigeration systems (R 717). This SPST switching control integrates both high and low side protection into a single, ruggedized all steel enclosure, meeting the demands of commercial and industrial ammonia plants. The low pressure side features a wide adjustment range from 20" Wc to 100 psi with a tunable 7 psi to 50 psi