Our safety pressure switch is highly recommended on all A/C Systems. Pressure switch kit, also known as a safety switch and threads into port
Part #: 43-1481
Type: PressureNormal: OpenHP Open: 454psiHP Closed: 275psiLP Closed: 28psiFitting: 3/8-24 MPigtail: MT0139Oring: MT0245..
$14.36