Pressure Controllers

Honeywell PA404A1033 Valve Pressure/Reducing/Relief Series 40 (2-wire, SPST) Pressuretrol Controller is used with 24, 120, 240 or 277 volt control circuits or in self powered applications. Honeywell PA404A1033 Features: Used for safety control for...

Honeywell PA404A1025 Pressuretrol Controller Pressure actuated high limit, safety control for steam heating boilers; it breaks an electrical circuit to shut down the burner if steam pressure rises above a safe level. Honeywell PA404A1025 Features: A...

Johnson P74FA-5C Diff Pressure Control 8-60# Range 1/4" FNPT Connect Series P74 measures the pressure difference between two sources: supply lines and return lines. A change in differential pressure will reposition the switching mechanism to cause...

Johnson P74FA-1C Differential Pressure Control 8-60# Range Series P74 measures the pressure difference between two sources: supply lines and return lines. A change in differential pressure will reposition the switching mechanism to cause corrective...

Johnson P74EA-8C Diff Pressure Control 2-26# Range 36" Cap Tube Series P74 measures the pressure difference between two sources: supply lines and return lines. A change in differential pressure will reposition the switching mechanism to cause...

Johnson P70MA-1C Dual Pressure Control 20"-100# Auto Low, Manual High This P70 Series of dual pressure controls employs a SPST switch, that is opened when either high pressure or low pressure beyond the control settings is sensed at the control’s two...

Johnson P70LB-6C Dual Pressure Control 12"-80# Both Auto Reset This P70 Series of dual pressure controls employs a SPST switch, that is opened when either high pressure or low pressure beyond the control settings is sensed at the control’s two...

Johnson P70LB-1C Dual Pressure Control 20"-100# Both Auto Reset This P70 Series of dual pressure controls employs a SPST switch, that is opened when either high pressure or low pressure beyond the control settings is sensed at the control’s two...

Johnson P70DA-1C High Pressure Control 50"-450# Opens High Manual Reset The P70, P72, and P170 controls for high pressure applications are designed primarily for high pressure cut-out control, head pressure control, and condenser fan cycling control...

Johnson P70CA-3C High Pressure Control 50"-450# Opens High This P70 Series of controls employs a set of switch contacts that are opened and closed by the movement of pressure actuated bellows. The load-carrying contacts provide direct control of AC...

Johnson P70CA-1C High Pressure Control 20"-100# Opens High This P70 Series of controls employs a set of switch contacts that are opened and closed by the movement of pressure actuated bellows. The load-carrying contacts provide direct control of AC...

Johnson P70AB-2C Low Pressure Control 20"-100# Opens Low This P70 Series of controls employs a set of switch contacts that are opened and closed by the movement of pressure actuated bellows. The load-carrying contacts provide direct control of AC...

Johnson P70AB-12C Low Pressure Control 12"-80# Opens Low This P70 Series of controls employs a set of switch contacts that are opened and closed by the movement of pressure actuated bellows. The load-carrying contacts provide direct control of AC...

Johnson P70AA-119C Ammonia Pressure Control 50-300 PSIG The P70, P72, and P170 controls for high pressure applications are designed primarily for high pressure cut-out control, head pressure control, and condenser fan cycling control on commercial...

Johnson P67CA-1C Pressure Control 3-30# Range Open-On-Rise P67 pressure controls are used to close or open an electrical circuit, based on a predetermined air pressure signal. The operating point of the control and the differential, are easy to...

Johnson P470EB-1C Pressure Control 0-100, 0-500, 50-750PSI Selectable The P470 Electronic Pressure Control with Display is a single-stage, On/Off, electronic pressure control with an SPDT (Single-Pole, Double-Throw) output relay. The control may be...

Johnson P29NC-2C Low Pressure Control 20"-100# SPST with Time Delay P29NC is a low pressure control with time delay and lockout, which requires manual reset. A drop in pressure energizes the time delay relay and opens a contact after the time delay,...

Johnson P20EB-2C High Pressure Control Refrigeration 100-425# SPTD The P20 Series are field replacement high and low pressure controls for non-corrosive refrigerants. They include a dust-tight contact unit with quick connect connectors and a 36”...

Johnson P20EB-1C High Pressure Control Refrigeration 7-150# SPDT The P20 Series are field replacement high and low pressure controls for non-corrosive refrigerants. They include a dust-tight contact unit with quick connect connectors and a 36” capillary...

Johnson P20DB-1C High Pressure Control 100-450# Manual Reset Open Hi The P20 Series are field replacement high and low pressure controls for non-corrosive refrigerants. They include a dust-tight contact unit with quick connect connectors and a 36” ...