Diaphragm Models: (Click here for Pressure Switch Comparison Sheet)
Diaphragm models are for applications requiring accuracy of +/- 0.5% and where cycles are fewer than 25 per minute.

Series D1S, D2S, D1H, D2H (pdf)
General Purpose Diaphragm Switch
The D1S (single set point) and D2S (dual set point) are stripped (no housing) models, well-suited for applications with the following requirements: control box installations with adjustments, up to 150 psi.

The D1H (single set point) and D2H (dual set point) are housed models, well-suited for applications with the following requirements: NEMA 4 housing, tamper-proof external adjustment, up to 150 psi.

Series D1T, D2T (pdf)
Terminal Block Diaphragm Switch
The D1T (single set point) and D2T (dual set point) are well-suited for applications with the following requirements: NEMA 4 housing with terminal strip, tamper-proof external adjustment, up to 150 psi.

Series D1X, D2X (pdf)
Explosion Proof Diaphragm Switch
The D1X (single set point) and D2X (dual set point) are well-suited for applications with the following requirements: explosion-proof, tamper-proof external adjustment, up to 150 psi.

Dia-Seal Piston Models: (Click here for Pressure Switch Comparison Sheet)
The dia-seal piston models combines the accuracy of a diaphragm switch with the long life and high pressure capabilities of a piston switch.

Series E1S, E1H (pdf)
Econ-O-Trol Switch
The E1S is a stripped (no housing) model, well-suited for applications with the following requirements: compact, economical, ranges from 2.5 to 500 psi.

The E1H is a housed model, well-suited for applications with the following requirements: compact, economical, NEMA 4 housing; screw terminals on limit switch; high/low control; ranges from .5 to 500 psi.

Bourdon Tube Models: (Click here for Pressure Switch Comparison Sheet)
The bourdon tube models are for applications requiring up to 18,000 psi, instrument accuracy of +/- 1% and where cycles are fewer than 25 per minute.

Series B1S, B2S, B1T, B2T (pdf)
Bourdon Tube Switch
The B1S (single set point) and B2S (dual set point) are stripped (no housing) models, well-suited for applications with the following requirements: high accuracy, up to 18,000 psi working pressure and 20,000 psi proof.

The B1T (single set point) and B2T (dual set point) are housed models, well-suited for applications with the following requirements: high accuracy, housed with terminal strip, tamper-proof external adjustment, up to 18,000 psi and 24,000 psi proof.

Diaphragm Differential Models: (Click here for Pressure Switch Comparison Sheet)
Diaphragm differential models are for applications requiring instrument accuracy of +/- 0.5% and where cycles are fewer than 25 per minute. Available as single or dual setting units. Differential ranges from .03 to 150 psid.

Solid State Models: (Click here for Pressure Switch Comparison Sheet)
The solid state pressure switches are for applications requiring precise monitoring and multiple switch points. These switches provide an extremely long life.

Series UDS3 (pdf)
Multiple Output Electronic Switch
The UDS3 solid state pressure switch offers the unique ability to switch four discrete circuits in a single, compact unit.

Series SW2000 (pdf)
Electronic Pressure Switch
The SW2000 offers the accuracy of a solid state pressure switch in two different configurations: as a dual pressure switch or as a single switch with 4-20mA output.

Static O-ring Model: (Click here for Pressure Switch Comparison Sheet)
Static O-ring models offer a rugged design with a high cycle tolerance, long service life, and field-adjustable set points.

Series L (pdf)
Explosion Proof O-ring Type
The series L is well-suited for applications with the following requirements: explosion proof, adjustable range up to 550 psi, rugged environment.