Ranco O12-1549 Pressure Control Refrigerant 480V or 208V) and cap

480V or 208V) and cap off the unused primary wires

The package includes various special mounting adapters designed to replicate the original mounting locator for a precise fit in the combustion chamber

This specific model relies on external fusing or integrated board protection

or a faulty LH33WZ512 module

Ranco O12-1549 Pressure Control Refrigerant 480V or 208V) and capThe Ranco O12 1549 Dual Pressure Control is a versatile, commercial grade safety and operational switch designed for HVACR refrigeration units. This dual function control manages both low pressure cut out and high pressure safety limits within a single NEMA 1 enclosure. The low pressure side features a range of 10" Hg to 100 PSI with an adjustable differential of 10 to 40 PSI, while the high pressure side operates from 150 to 450 PSI with a fixed 65