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Dwyer Pressure Switch: Adj, Auto Reset, 0.15 in wc to 0.5 in wc, Conduit Box - Adjustable Set-Point Air Pressure Switches
DwyerAdjustable Set-Point Air Pressure Switches

Dwyer Pressure Switch: Adj, Auto Reset, 0.15 in wc to 0.5 in wc, Conduit Box

The Dwyer 1823-0 is an adjustable set-point air pressure switch with auto reset, covering a range of 0.15 in wc to 0.5 in wc. It features a SPDT switch rated for 120 to 480V AC and includes a conduit box with NPT…

SKU 3G-OTH-68396

Also listed as: 18230 · 1823 0

Brand
Dwyer
Item
Pressure Switch: Adj, Auto Reset, 0.15 in wc to 0.5 in wc, Conduit Box
Category
Adjustable Set-Point Air Pressure Switches
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

Dwyer
Manufacturer Part Number
1823-0
Type
Auto Reset, 0.15 in wc to 0.5 in wc, Conduit Box, SPDT, NPT
AC
120 to 480V
Switch Voltage
120 to 480V AC

Technical Documents

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Dwyer Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The Dwyer 1823-0 is an adjustable set-point air pressure switch with auto reset, covering a range of 0.15 in wc to 0.5 in wc. It features a SPDT switch rated for 120 to 480V AC and includes a conduit box with NPT connections.

Frequently Asked Questions

What is the Dwyer 1823-0 pressure switch used for?

The Dwyer 1823-0 adjustable set-point air pressure switch is used to monitor and control air pressure in HVAC, ventilation, and industrial process systems. It activates or deactivates electrical circuits when pressure reaches the set point, with auto reset for continuous operation.

What are the specifications of the Dwyer 1823-0 pressure switch?

The Dwyer 1823-0 is an adjustable set-point air pressure switch with a range of 0.15 in wc to 0.5 in wc. It features a SPDT switch rated for 120 to 480V AC, auto reset, a conduit box, and NPT connections. The manufacturer part number is 1823-0.

Where to buy the Dwyer 1823-0 pressure switch worldwide?

You can source the Dwyer 1823-0 pressure switch from 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations, ensuring the product reaches your facility reliably.

How to install the Dwyer 1823-0 pressure switch?

Install the Dwyer 1823-0 by mounting it securely using the NPT connections, wiring the SPDT switch to your control circuit (120 to 480V AC), and adjusting the set point within the 0.15 to 0.5 in wc range. Follow standard electrical safety practices and consult the Dwyer manual for torque specs.

Used in

Common applications for Dwyer
Combustion air-filter monitoring — Magnehelic Series 2000 on burner air-intake filter banks
Clean-room and pharmaceutical pressurisation — Magnehelic / Capsuhelic differential-pressure gauges
HVAC fan-discharge static pressure — Mark II inclined-vertical manometers on AHU test points
Filter-blockage alarms — Photohelic Series 3000 combined gauge/switch on air-handling units
BMS-integrated pressure monitoring — Digihelic DH3 with 4–20 mA output for building management

Dwyer Products

3G Electric supplies Dwyer adjustable set-point air pressure switches. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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Compatible alternatives & equivalents

Cross-referenced by specification & description
Pressure Switch: Adj, Auto Reset, 0.07 in wc to 0.22 in wc, Conduit Box, SPDT, NPT, 120 to 480V AC (MPN 1823-00)
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Pressure Switch: Adj, Auto Reset, 0.07 in wc to 0.22 in wc, Conduit Box, SPDT, NPT, 120 to 480V AC (MPN 1823-00)
Pressure Switch: Adj, Auto Reset, 0.3 in wc to 1 in wc, Conduit Box, SPDT, NPT, 120 to 480V AC (MPN 1823-1)
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Pressure Switch: Adj, Auto Reset, 0.3 in wc to 1 in wc, Conduit Box, SPDT, NPT, 120 to 480V AC (MPN 1823-1)
Pressure Switch: Adj, Auto Reset, 1.5 in wc to 5 in wc, Conduit Box, SPDT, NPT, 120 to 480V AC (MPN 1823-5)
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Pressure Switch: Adj, Auto Reset, 1.5 in wc to 5 in wc, Conduit Box, SPDT, NPT, 120 to 480V AC (MPN 1823-5)
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Pressure Switch: Adj, Auto Reset, 5 in wc to 44 in wc, Conduit Box, SPDT, NPT, 120 to 480V AC (MPN 1823-40)
Pressure Switch: Adj, Auto Reset, 3 in wc to 22 in wc, Conduit Box, SPDT, NPT, 120 to 480V AC (MPN 1823-20)
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Pressure Switch: Adj, Auto Reset, 3 in wc to 22 in wc, Conduit Box, SPDT, NPT, 120 to 480V AC (MPN 1823-20)
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Pressure Switch: Adj, Auto Reset, 9 in wc to 85 in wc, Conduit Box, SPDT, NPT, 120 to 480V AC (MPN 1823-80)

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