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Dwyer Water leak detector WD3-BP-D1-A - Measurement
DwyerMeasurement

Dwyer Water leak detector WD3-BP-D1-A

Dwyer water leak detector with SPST/SPDT relay and 85 dB audible alarm for facility monitoring. Detects water at 1/32 inch gap, operates 0 to +50°C, runs on 24 VDC or batteries. Ideal for HVAC, data centers, and…

SKU 3G-CBM-02337

Brand
Dwyer
Item
Water leak detector WD3-BP-D1-A
Part Number
WD3BPD1A
Category
Measurement
UNSPSC
41112412 — Pressure gauge
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Technical Specifications

Dwyer
Manufacturer Part Number
WD3BPD1A
relay type
SPST or SPDT
power supply
24V or batteries
audible alarm
85 dB @ 30 cm
detection gap
1/32 inch
operating temperature
0 to +50°C
electrical current battery
250 mA @ 24 VDC
electrical current external
1A @ 24 VAC/DC

Technical Documents

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

Product Description

Dwyer water leak detector with SPST/SPDT relay and 85 dB audible alarm for facility monitoring. Detects water at 1/32 inch gap, operates 0 to +50°C, runs on 24 VDC or batteries. Ideal for HVAC, data centers, and building protection applications.

Frequently Asked Questions

What is the detection sensitivity and alarm output of this leak detector?

The Dwyer WD3-BP-D1-A detects water at a 1/32 inch gap and produces an 85 dB audible alarm at 30 cm. It offers SPST or SPDT relay contact output, switchable for integration with building automation systems.

What power options are available for the WD3-BP-D1-A?

The detector runs on 24 VDC (250 mA draw) or internal batteries. Operating temperature range is 0 to +50°C, making it suitable for HVAC systems, data centers, and general building protection applications.

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
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Dwyer Products

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

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