Skip to content

Robertshaw 2374-498 Universal Air Pressure Sensing Switch, 1.0" to 4.0" W.C.

Save 49%
Original price $52.05
Current price $26.62
SKU 2374-498
Currently 50 in stock.

Robertshaw 2374-498 Universal Air Pressure Sensing Switch, 1.0" to 4.0" W.C.

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°F to 190°F (-40°C to 88°C). Each switch includes mounting hardware and an adjustment tool for easy installation and calibration.

Features and Benefits:

  • Field adjustable control set point
  • Air sample line connectors will accept 1/8”, 1/4” or 3/8” tubing
  • Electrical connection is 1/4” spade
  • Vertical operating mounting position for diaphragm
  • UL File Number MH6213, CSA File Number LR18754


Sell Sheet



    Series Application: Adjustable Air Sensing Switch
    Switch: SPDT
    Set Point Range: 1.0" to 4.0" WC
    Maximum Pressure: 0.5 PSI
    Temperature Range: -40°F to 190°F (-40°C to 88°C)
    Electrical Rating: 5 Amps @ 120-277V AC|5 Amps @ 28V DC|1 Amp Pilot Duty 120VA


    Cross Reference

    A.J. Antunes: SMM
    Cleveland Controls: RSS498-038, RSS-498-038, RSS-498-13
    ESP: RSS-498-13
    Grainger: 3ZM97
    Heil: 1170947
    Lennox Industries: 51W91, 51W92
    Robertshaw: 2374-510
    Supco: RSS498013
    Uni-Line: 12534, 66201312534, RSS-498
    York International: 02435261000, 024-35262-000, 024-35777-000