Johnson Controls P170KA-1 Pressure Switch With Alarm Cicuit 50-450 PSI Manual Reset

The Johnson Controls P170KA-1 Pressure Switch with alert Circuit is a highly specialized device for pressure control in HVAC systems with an additional alert circuit. For security purposes, it has a manual reset that ensures that an operator can only reset the system after an alarm condition. It is controlled by an SPDT switch and has a pressure range of 50-450 PSI; it opens at high pressure to prevent overpressure situations. The integrated alarm circuit allows intervention when operators are alerted of abnormal pressure conditions.