Binary Pressure Switch

$24.95

A binary A/C pressure switch with 3/8″-24 male thread, best replaced whenever the system is open.

  • Fits W116, W123, W126 and R107
  • 3/8″-24 male thread

Overview. The binary pressure switch protects the compressor by switching it off if system pressure is too low (for example, low on refrigerant) or too high. Change it while your system is open for service; it’s recommended with every compressor kit.

Fitment

  • W116, W123, W124, W126, W201, R107, R129
  • Replaces OE Part 124 820 8310

What’s included

  • Binary pressure switch
  • O-Ring

Product FAQs

When should I replace it?

Whenever the system is open, and with any compressor upgrade.

What are the open and closed pressures of this switch?

Closed (psi) 28 Open (psi) 384