1996-20 gas-air pressure switch. Connections, dimensions, and visual on-off indicators are shown in the figure. Note the setting point adjustment window. To adjust the switch setpoint, turn the screw above until the red rod reaches the desired setpoint. Complete instructions are provided with the product.

Reliable and convenient

The 1996-20 and 1996-5 gas pressure switches are small-size, low-cost switches suitable for gas combustion furnaces and equipment. A pressure range of up to 2"~20" is suitable for high/low gas pressure interlocking. Visual setpoints and on-off indicators add convenience to switching operations. Use SPDT switches for normally open or normally closed contacts. Bottom connections include 1/8" female threads and 1/4" male threads for fitting pipe joints or couplers. The top connection connects the diaphragm chamber to the outside or the boiler's combustion chamber. This pressure switch can be used for natural gas, synthetic gases, or LP gases.

Physical data

Temperature range: 32°F (-30°F dry gas or air) ~ 110°F

Maximum pressure fluctuation: 10 psig

Rated pressure: 45-inch water column

Pressure connection: 1/8" female thread NPT or 1/4" male thread NPT

Ventilation hole connection: 1/8" NPT

Electrical rating: 15 Amps, 120-480 Volts, 60 Hz, A.C. Resistive 1/8 H.P. @ 125 Volts, 1/4 H.P. @ 250 Volts, 60 Hz. A.C.

Wire connections: 3 screw type, universal, normal, and normally closed

Set point adjustment: screw type, with visual indicators, inside the package.

On-Close indicator: Located inside the window outside the package. At a glance, you can see whether the pressure is above the set point.

Housing: Cast aluminum shell with anti-corrosion chemical coating. Galvanized steel marking.

Diaphragm: molded nitrile rubber

Calibration spring: stainless steel

Weight: 1 lb. 2 ozs.