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Pressure Switches [HVAC & Refrigeration]

Pressure Switches [HVAC & Refrigeration]

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540 Pressure Transmitter & Switch Combo with Visual Display 0 to 8,700 PSI

The Control Type 540 is a high-performance pressure transmitter with a digital display and programmable switching outputs designed for industrial a...

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548 Pressure Transmitter & Switch Combo with Visual Display -14.5 to 580 PSI

The Type 548 is an Electronic Pressure Switch & Pressure Transmitter combo with visual display.  This microprocessor-regulated d...

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604 Ultra-Low Relative and Differential Pressure Switch 0.2...50 mbar

The Type 604 is the ideal pressure switch to control air flow in air conditioning and ventilation systems, but equally effective in industrial air ...

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605 Ultra-Low Relative & Differential Pressure Switch 20...400 Pa

The Type 605 mechanical pressure switch has been specially developed for use in gas fired heating systems.  Typical applications include ventilatio...

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625 Pressure Switch with One or Two Switch Points -4...6,000 mbar

The Type 625 pressure switch, available in 13 pressure ranges (from -4...6000 mbar), is suitable for liquids and gases. Body materials are availabl...

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P21 Pressure Transmitter & Electronic Pressure Switch Combo

The P21 Pressure Switch Transmitter Combo combines pressure measurement, local display, switching, analog output, and control functions into a sing...

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P51 Compressor Pressure Switch, Unloader Valve. Up to 4 Ports, On/Off Knob 15...200 psi

The P51 Pressure Switch offers reliable, time-tested control for automatic water systems and air compressors. Designed for use in water well pumps ...

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P52 Compressor Pressure Switch, Unloader Valve, Up to 4 Ports, On/Off Knob, 45...175 psi

The P52 pressure switch is designed to regulate the tank pressure between two preset values in electrically driven air compressors. It features an ...

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Type 521 Electronic Pressure Switch with Ranges from 30 to 7,500 PSI

With switching ranges from 30 to 7,500 PSI. The Type 521 is a high-quality electronic pressure switch designed to accommodate OEM volume budgetary ...

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