Honeywell

range of 10-150 psi (adjustable 10-22 psi differential range), and a 1/4" NPT female connection to siphon loop

range of 2-15 psi (adjustable 2-6 psi differential range), and a 1/4" NPT female connection to siphon loop

L4079B1041 Honeywell Honeywell pressuretrol controller with a range of 10-150 psi, manual reset, and a 1/4" NPT female connection to siphon loop. Pressuretrol limit controls are high pressure limit switches which break electrical circuits when pressure rises to a preset value. L4079B models have one SPST switch that breaks on rise.

LSA1A Honeywell Limit Switches HDLS Plug-in Side Rotary

LSA2B - Limit Switches 0.75"-14NPT 2NC/2NO DPDT

LSA6B Honeywell HDLS Series Limit Switch, 2NO/2NC, IP65, IP66, IP67, DPDT, Die Cast Zinc Housing, 600V ac Max, 10A Max

LSA7L Limit Switches HDLS Non Plug-in Sd Rtry 2NC-2NO DPDT

LSD4L Limit Switches LIMIT SWITCH

M7284A1004 Honeywell 120V AC Modulating Electric Actuator