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Robertshaw 2374-495 Adjustable Air Pressure Sensing Switch, 0.5 psi, 1/5 A 120 to 277 VAC/28 VDC, 1/4 to 1 in WC Differential, SPDT, Barbed, Import
ROBERTSHAW 2374-495 ADJUSTABLE PRESSURE SWITCH SPDT .25 TO 1.0" W.C.
Pressure Switches
}
Brand: 
Robertshaw 2374-495 Adjustable Air Pressure Sensing Switch, 0.5 psi, 1/5 A 120 to 277 VAC/28 VDC, 1/4 to 1 in WC Differential, SPDT, Barbed, Import
877555
MFG #: 2374-495
Product ID:877555
Famous Supply
- Temperature Rating: -40 to 190 deg f
- Type: Adjustable
- Pressure Rating: 0.5 psi
- Electrical Ratings: 1/5 A 120 to 277 VAC/28 VDC
- Differential Pressure Range: 1/4 to 1 in WC
- Switch Type: SPDT
- Domestic/Import: Import
The Robertshaw® 2374 Series Adjustable Air Sensing Switches are designed to replace a wide variety of air sensing switches found in residential and light commercial applications including furnaces, electronic air cleaners and humidifiers. Two models are currently available with adjustable ranges. Both models are provided with an SPDT switch that can be actuated by positive or negative pressure or by pressure differential. Highly accurate, these switches are practically insensitive to temperature change with an operating temperature range of -40 to 190 deg F (-40 to 88 deg C). Each switch includes mounting hardware and an adjustment tool for easy installation and calibration.
- Features
- Standards & Approvals
| Field adjustable control set point |
| Air sample line connectors will accept 1/8 in, 1/4 in or 3/8 in tubing |
| Vertical operating mounting position for diaphragm |
| All air switches come in a contractor kit that includes the hardware, replacement hoses and an adjustments tool for easy installation and calibration |
| These reliable devices are designed to replace a wide variety of switches found in residential and light commercial applications |
| These switches include features such as factory calibrated and factory-fixed set points, NEMA rated housings, manual resets and gold contacts |
| Select air pressure sensing switches are practically insensitive to temperature change with an operating range of -40 to 190 deg F |
| Conditioned air filters that accumulate particulate matter used to sense the differential pressure or airflow drop across the filter |
| Defrost cycle is initiated by sensing differential pressure or airflow drop across the refrigeration coils when they ice |
| On gas-fired units, the switch senses draft down from the blower; switch actuation allows ignition start-up or system shutdown upon insufficient draft |
| On air-supported structures and enclosures, sensing switches ensures proper inflation or internal pressure; switch actuation controls the blower to maintains pressure |
| Exhaust fans and fume hoods employ switches to sense draft down from the exhaust fan, switch actuation signals condition upon fan failures of insufficient draft |
| Electrical connection is 1/4 in spade |
| CSA File No LR18754 |
| ISO 9001-2008 |
| UL File No MH6213 |