Robertshaw 2374-523 Adjustable Air Pressure Sensing Switch, 2.0″ – 10.0″ W.C.

The Robertshaw2374 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.

Features and Benefits:

Field-adjustable, universal switches that can sense positive, negative, or differential air pressure.
The switches use a diaphragm and an integral, snap-acting SPDT switch with three 90 quick-connect spade terminals.
The set point is adjusted with an Allen wrench and an indicator window.
Two standard set-point ranges are available, covering 0.1510.0 W.C. applications.
Kit includes a bracket, orifices, and 2 feet of 3/16 ID silicon-cured tubing.

Applications:

Residential and commercial HVAC systems
Commercial kitchen equipment
Outdoor radiant heating products
Pool and spa heating systems

Specifications:

Series Application:	Adjustable Air Sensing Switch
Set Point Range:	2.0 10.0 W.C.
Mounting Position:	Mount with the diaphragm in a vertical plane
Operating Temperature Range:	-40F to 190F (-40C to 88C)
Contact Arrangement:	SPDT
Electrical Connections:	Quick-connect copper-alloy terminals; x 0.032
Electrical Load:	110 HP @120 to 277 VAC \| 28 VA pilot duty @ 24 VAC \| 125 VA pilot duty @ 120 VAC
Sample Line Connections:	Black is positive, gray is negative
Sample Line Connectors:	Integral slip-on connectors, OD, accepts 3/16 ID flexible tubing
Life:	100,000 cycles minimum
Material:	Glass-filled polycarbonate body with silicone diaphragm

Cross Reference

A.J. Antunes:	SMM
Cleveland Controls:	RSS495-038, RSS-495-13
Grainger:	3ZM97
Heil:	1170947
Lennox Industries:	51W91, 51W92
Robertshaw:	2374-498
Supco:	RSS498013
Uni-Line:	12534, 66201312534, RSS-498
York International:	2435261000, 024-35262-000, 024-35777-000

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