HOBBS HR MTR PRES SWCH M4006-4

Normally open. Closes at 4 PSI. Single circuit with two insulated terminals. The switch has silver contacts enclosed in a weatherproof case. 1/8" male pipe thread connection.

Note: If using on a water application (Rotax for instance) use P/N 10-00326 Honeywell Hobbs Hour Meter

Pressure Switch 76575-4