Siemens (Powers) highest pressure signal selector, direct-acting, with 30 psi maximum air pressure, for use when two proportional high capacity air signals must be compared and the higher of the two signals transmitted to another logic or final control device.

Siemens (Powers) highest and lowest pressure signal selector, with 30 psi maximum air pressure and a 1/4" O.D. barbed connection, for use when up to six input air signals must be compared and the lowest or the highest of the signals transmitted to another logic or final control device.

Siemens (Powers) lowest pressure signal selector, direct-acting, with 30 psi maximum air pressure, for use when two input air signals must be compared and the lower of the two signals transmitted to another logic or final control device

A.J. Antunes 1/8" NPT air flow interlocking safety pressure switch with a .07" to 1.7" W.C. range. This switch has a maximum operating pressure of 35 psi, a maximum pressure surge of 3 psig, a maximum ambient operating temperature of 140°F, and a minimum ambient operating temperature of -20°F.

A.J. Antunes 1/8" NPT air flow interlocking safety pressure switch with a .1" to 4" W.C. range. This switch has a maximum operating pressure of 35 psi, a maximum pressure surge of 3 psig, a maximum ambient operating temperature of 140°F, and a minimum ambient operating temperature of -20°F.

A.J. Antunes air differential pressure switch with a .17" to 6" W.C. range. This switch has a bottom 1/4" male NPT and a side 1/8" female NPT connection.

Honeywell gas pressure switch for industrial gas systems with a 1-26 psi water pressure range, 1-3/4 psi differential, manual reset, single-pole single throw, break on rise, 1/2" main or high pressure connection, and a 1/8" vent or low pressure connection.

Honeywell gas pressure switch for industrial gas systems with a 1/2-5 psi water pressure range, 1/2 psi differential, manual reset, single-pole single throw, break on rise, 1/2" main or high pressure connection, and a 1/8" vent or low pressure connection.

Honeywell gas pressure switch for industrial gas systems with a 1-10 psi water pressure range, 1 psi differential, manual reset, single-pole single throw, break on rise, 1/2" main or high pressure connection, and a 1/8" vent or low pressure connection.

Honeywell gas pressure switch for industrial gas systems with a 1-26 psi water pressure range, 1-3/4 psi differential, manual reset, single-pole single throw, break on fall, 1/2" main or high pressure connection, and a 1/8" vent or low pressure connection.

Honeywell gas pressure switch for industrial gas systems with a 1/2-5 psi water pressure range, 1/2 psi differential, manual reset, single-pole single throw, break on fall, 1/2" main or high pressure connection, and a 1/8" vent or low pressure connection.

Honeywell gas pressure switch for industrial gas systems with a 1-10 psi water pressure range, 1 psi differential, manual reset, single-pole single throw, break on fall, 1/2" main or high pressure connection, and a 1/8" vent or low pressure connection.

Honeywell gas pressure switch for industrial gas systems with a 1/2-5-1/2 psi water pressure range, 1/4 psi differential, manual reset, single-pole single throw, break on fall, 1/2" main or high pressure connection, and a 1/8" vent or low pressure connection.

Honeywell 1/4" NPT pressure switch for positive-pressure or differential-pressure systems to sense gas or air pressure changes. C6097A switches break control circuit at setpoint on pressure fall. This switch has a range of 3-21" wc.

Honeywell 1/4" NPT pressure switch for positive-pressure or differential-pressure systems to sense gas or air pressure changes. C6097B switches break control circuit at setpoint on pressure rise. This switch has a range of 3-21" wc and a manual reset.

Honeywell 1/4" NPT pressure switch for positive-pressure or differential-pressure systems to sense gas or air pressure changes. C6097A switches break control circuit at setpoint on pressure fall. This switch has a range of 3-21" wc and an auto recycle.

Honeywell pressure switch with manual reset and a .4-5" setpoint. This pressure switch breaks on pressure fall, has a 1/4" NPT connection, and is for use with natural gas, liquid propane, or air.

A.J. Antunes 1/4" NPT, low-pressure gas pressure switch with a 1" to 20" W.C. range and manual reset.

A.J. Antunes 1/4" NPT, SPDT, high gas pressure switch with a 2" to 20" W.C. range and manual reset.

A.J. Antunes 1/8" NPT air flow interlocking safety pressure switch with a .1" to 24" W.C. range. This switch has a maximum operating pressure of 35 psi, a maximum pressure surge of 3 psig, a maximum ambient operating temperature of 140°F, and a minimum ambient operating temperature of -20°F.

A.J. Antunes SPDT air differential pressure switch with a .17" to 12" W.C. range and cover.

A.J. Antunes 2-SPDT high and low pressure switch with a 2"-16" high W.C. range, a 1"-6" low W.C. range, and manual reset. This switch has a 3/8" NPT high pressure connection, a 1/8" NPT low pressure connection, and a 1/8" NPT vent.

A.J. Antunes SPDT air differential pressure switch with a .17" to 12" W.C. range, compression fitting, and cover.

A.J. Antunes 1/4" NPT, SPDT low gas pressure switch with a 1" to 20" W.C. range, auto reset, and NEMA 4 enclosure.

A.J. Antunes SPDT high pressure switch with a 2"-16" W.C. range and manual reset. This switch has a 1/4" NPT connection and a 1/8" NPT vent.

A.J. Antunes SPDT low pressure gas switch with a 2"-14" W.C. range and manual reset. This switch has a 1/4" NPT connection and a 1/8" NPT vent.

A.J. Antunes SPDT air differential pressure switch with a .17" to 6" W.C. range.

A.J. Antunes SPDT high pressure gas switch with a 5"-28" W.C. range and manual reset. This switch has a 1/4" NPT connection and a 1/8" NPT vent.

A.J. Antunes SPDT low pressure gas switch with a 1"-6" W.C. range and manual reset. This switch has a 1/4" NPT connection and a 1/8" NPT vent.

A.J. Antunes SPDT air differential pressure switch with a .17" to 12" W.C. range, 1/4" compression fittings, and cover.

A.J. Antunes SPDT low gas pressure switch with a 2" to 14" W.C. range, auto reset, and NEMA 4 enclosure. This switch has a 1/4" NPT connection and a 1/8" NPT vent.

A.J. Antunes SPDT air differential pressure switch with a .17" to 6" W.C. range and 1/8" female NPT connections.

A.J. Antunes SPDT air differential pressure switch with a .05" to 1" W.C. range and 1/4" compression fitting connections.

A.J. Antunes SPDT air differential pressure switch with a .17" to 12" W.C. range, 1" male NPT and side 1/8" female NPT connections.

A.J. Antunes SPDT air differential pressure switch with a .17" to 6" W.C. range, 1/8" female NPT connections, and cover.

A.J. Antunes SPDT air differential pressure switch with a .17" to 6" W.C. range, 1/4" compression fitting connections, and cover.

A.J. Antunes SPDT low gas pressure switch with a 1" to 20" W.C. range, auto reset, and 1/4" NPT connections.

A.J. Antunes SPDT high gas pressure switch with a 10" to 50" W.C. range, manual reset, 1/4" NPT connections, and a 1/8" NPT vent.

A.J. Antunes SPDT air differential pressure switch with a .17" to 1" W.C. range, 1/4" compression fitting, and 90° 1/4" compression fitting connections.

A.J. Antunes SPDT air differential pressure switch with a .17" to 6" W.C. range and 1/4" compression fitting connections.

A.J. Antunes SPDT low gas pressure switch with a 5" to 30" W.C. range, auto reset, and 1/4" NPT connections.

A.J. Antunes 2-SPDT gas pressure switch with a 10" to 50" W.C. high range, 2" to 14" W.C. low range, manual reset, 3/8" NPT high pressure connection, 1/8" NPT low pressure connection, and a 1/8" NPT vent.

Lochnivar 1.15" WC, SPDT pressure switch.

Lochnivar .95" WC, SPDT pressure switch.

Lochnivar 1.35" WC, SPDT pressure switch.

Lochnivar .27" WC, SPDT pressure switch.

Lochnivar 1.35" WC, SPDT pressure switch.

Lochnivar 1.06" WC, SPDT pressure switch.

A.J. Antunes SPDT low pressure gas switch with a 6"-24" W.C. range and manual reset. This switch has a 1/4" NPT connection and a 1/8" NPT vent.

A.J. Antunes SPDT low pressure gas switch with a 1/2"-5" W.C. range and auto reset. This switch has a 1/4" NPT connection.