Dwyer

Known for industry staples like Magnehelic® differential pressure gauges, digital manometers, airflow measurement tools, and pressure transmitters, Dwyer products make it easier for technicians to verify airflow, track filter performance, and diagnose system issues quickly and accurately.

Filter

Showing 97–144 of 161 resultsSorted by popularity

Low Differential Pressure Switch, 1.5–5.0″ w.c. Range

Dwyer

SKU: 1823-5
$133.25
MSRP: $153.24
You save 15%
Dwyer 1823-5 Low Differential Pressure Switch, 1.5–5.0" w.c. quantity
Low Differential Pressure Switch, 3″ to 22″ w.c. Range

Dwyer

SKU: 1823-20
$133.25
MSRP: $153.24
You save 15%
Dwyer 1823-20 Low Differential Pressure Switch, 3" to 22" w.c. quantity
Low Differential Pressure Switch, 0.5″ to 2.0″ w.c.

Dwyer

SKU: 1823-2
$133.25
MSRP: $153.24
You save 15%
Dwyer 1823-2 Low Differential Pressure Switch, 0.5" to 2.0" w.c. quantity
Low Differential Pressure Switch, 2.0–10″ w.c., Air & Gas

Dwyer

SKU: 1823-10
$133.25
MSRP: $153.24
You save 15%
Dwyer 1823-10 Low Differential Pressure Switch, 2.0–10" w.c. quantity
Low Differential Pressure Switch, 0.15–0.5″ w.c., 1/8″ FNPT

Dwyer

SKU: 1823-0
$133.25
MSRP: $153.24
You save 15%
Dwyer 1823-0 Low Differential Pressure Switch, 0.15–0.5" w.c., 1/8" FNPT quantity
Temperature/Process Loop Controller, 100-240VAC, RS-485

Dwyer

SKU: 16B-53
$182.44
MSRP: $209.81
You save 15%
Dwyer 16B-53 Temperature/Process Loop Controller, 100-240VAC, RS-485 quantity
Temperature/Process Loop Controller, Dual Relay Output, RS-485

Dwyer

SKU: 16B-33
$182.44
MSRP: $209.81
You save 15%
Dwyer 16B-33 Temperature/Process Loop Controller, 100-240VAC, Dual Relay, RS-485 quantity
Floating Contact Null Switch, .01–0.2″ w.c., High & Low Actuation

Dwyer

SKU: 1640-0
$917.95
MSRP: $1,055.64
You save 15%
Dwyer 1640-0 Floating Contact Null Switch, .01–0.2"w.c. Range quantity
Large Diaphragm Pressure Switch, 2″–6″ w.c., SPDT, 1/8″ FNPT

Dwyer

SKU: 1638-5
$606.20
MSRP: $697.13
You save 15%
Dwyer 1638-5 Pressure Switch, Large Diaphragm, 2" to 6" w.c., SPDT, 1/8" FNPT quantity
Large Diaphragm Pressure Switch, 1″–3″ w.c., SPDT, 1/8″ FNPT

Dwyer

SKU: 1638-2
$606.20
MSRP: $697.13
You save 15%
Dwyer 1638-2 Pressure Switch, Large Diaphragm, 1"–3" w.c., SPDT, 1/8" FNPT quantity
Large Diaphragm Pressure Switch, 3″–12″ w.c., SPDT, 1/8″ FNPT

Dwyer

SKU: 1638-10
$606.20
MSRP: $697.13
You save 15%
Dwyer 1638-10 Pressure Switch, Large Diaphragm, 3"–12" w.c., SPDT, 1/8" FNPT quantity
Large Diaphragm Pressure Switch, SPDT, 0.05–0.25″ w.c., 1/8″ FNPT

Dwyer

SKU: 1638-0
$606.20
MSRP: $697.13
You save 15%
Dwyer 1638-0 Pressure Switch, Large Diaphragm, SPDT, 1/8" FNPT, 0.05–0.25" w.c. quantity
Pressure Switch, 2 SPDT, .15–1.5″ w.c., Air & Non-Combustible Gas

Dwyer

SKU: 1627-1
$624.20
MSRP: $717.83
You save 15%
Dwyer 1627-1 Pressure Switch, 2 SPDT, .15–1.5" w.c. Operating Range quantity
Dual Range Flex Tube U-Inclined Manometer, 0-16″ & 0-2.6″ WC

Dwyer

SKU: 1227
$215.10
MSRP: $247.37
You save 15%
Dwyer 1227 Dual Range Flex Tube U-Inclined Manometer, 0-16" & 0-2.6" WC quantity
Type J Thermocouple, 2 Wire

Dwyer

SKU: 122095-84
$91.09
MSRP: $104.75
You save 15%
Dwyer 122095-84 Type J Thermocouple, 2 Wire quantity
Gas Pressure Kit with Manometer, Carrying Case, Tubing & Fittings

Dwyer

SKU: 1212
$246.84
MSRP: $283.87
You save 15%
Dwyer 1212 Gas Pressure Kit with 1211-16 Manometer, Case, Tubing & Fittings quantity
Slack Tube Manometer, 18-0-18″ w.c., Rolls Up for Easy Storage

Dwyer

SKU: 1211-36
$223.90
MSRP: $257.49
You save 15%
Dwyer 1211-36 Slack Tube Manometer, 18-0-18" w.c., Rolls Up for Storage quantity
Level Control, Flanged Chamber, SPDT Snap Switch, NEMA 4X, 300 PSI

Dwyer

SKU: 102-WT-7810-C-60
$3,487.84
MSRP: $4,011.02
You save 15%
Dwyer 102-WT-7810-C-60 Level Control, Flanged Chamber, SPDT, NEMA 4X, 300 PSI quantity
Wet/Wet Differential Pressure Switch

Dwyer

SKU: DXW-11-153-1
$161.11
MSRP: $185.28
You save 15%
Dwyer DXW‑11‑153‑1 Wet/Wet Differential Pressure Switch quantity
Minihelic II Differential Pressure Gauge

Dwyer

SKU: 2-5002
$73.48
MSRP: $84.50
You save 15%
Dwyer 2‑5002 Minihelic II Differential Pressure Gauge quantity
Open‑Frame Power Supply 24 VDC

Dwyer

SKU: A-700
$97.49
MSRP: $112.11
You save 15%
Dwyer A‑700 Open‑Frame Power Supply 24 VDC quantity
Single Window Sight Flow Indicator

Dwyer

SKU: SFI-100-3/4
$256.05
MSRP: $294.46
You save 15%
Dwyer SFI‑100‑3/4 Single Window Sight Flow Indicator quantity
Air Filter Gauge Accessory Package

Dwyer

SKU: A-605
$84.10
MSRP: $96.72
You save 15%
Dwyer A‑605 Air Filter Gauge Accessory Package quantity
Single Window Sight Flow Indicator

Dwyer

SKU: SFI-100-1
$314.51
MSRP: $361.69
You save 15%
Dwyer SFI-100-1 Single Window Sight Flow Indicator quantity
Differential Pressure Switch

Dwyer

SKU: 1950-20-2F
$398.96
MSRP: $458.80
You save 15%
Read more
Explosion-Proof Differential Pressure Switch

Dwyer

SKU: 1950-1-2F
$398.96
MSRP: $458.80
You save 15%
Dwyer 1950‑1‑2F Differential Pressure Switch quantity
Portable Carrying Case Kit for Magnehelic Gauges

Dwyer

SKU: A-432
$107.95
MSRP: $124.14
You save 15%
Dwyer A-432 Portable Carrying Case Kit for Magnehelic Gauges quantity
Low Differential Pressure Switch (4.0–20.0″ W.C.)

Dwyer

SKU: 1910-20
$99.23
MSRP: $114.11
You save 15%
Dwyer 1910‑20 Low Differential Pressure Switch (4.0–20.0" W.C.) quantity
Compact Low Differential Pressure Switch

Dwyer

SKU: 1910-10
$99.23
MSRP: $114.11
You save 15%
Dwyer 1910‑10 Compact Low Differential Pressure Switch quantity
Compact Low Differential Pressure Switch

Dwyer

SKU: 1910-00
$105.10
MSRP: $120.87
You save 15%
Dwyer 1910‑00 Compact Low Differential Pressure Switch quantity
Compact Low Differential Pressure Switch

Dwyer

SKU: 1910-0
$99.23
MSRP: $114.11
You save 15%
Dwyer 1910-0 Compact Low Differential Pressure Switch quantity
Differential Pressure Switch

Dwyer

SKU: 1900-5MR
$148.74
MSRP: $171.05
You save 15%
Dwyer 1900‑5‑MR Differential Pressure Switch quantity
Differential Pressure Switch

Dwyer

SKU: 1900-10MR
$148.74
MSRP: $171.05
You save 15%
Dwyer 1900‑10‑MR Differential Pressure Switch quantity
Water Leak Detector

Dwyer

SKU: WD3-LP-D2
$74.93
MSRP: $86.17
You save 15%
Dwyer WD3‑LP‑D2 Water Leak Detector quantity
Wet/Wet Differential Pressure Switch

Dwyer

SKU: DXW-11-153-2
$162.36
MSRP: $186.71
You save 15%
Dwyer DXW‑11‑153‑2 Wet/Wet Differential Pressure Switch quantity
3‑Way Plastic Vent Valve

Dwyer

SKU: A-310A
$40.46
MSRP: $46.53
You save 15%
Dwyer A‑310A 3‑Way Plastic Vent Valve quantity
Static Pressure Fitting

Dwyer

SKU: A-308
$10.76
MSRP: $12.37
You save 15%
Read more
Portable Static Pressure Tip

Dwyer

SKU: A-303
$25.10
MSRP: $28.87
You save 15%
Read more
Static Pressure Tip

Dwyer

SKU: A-302
$23.83
MSRP: $27.40
You save 15%
Dwyer A‑302 Static Pressure Tip quantity
Differential Pressure Transmitter

Dwyer

SKU: MSX-W12-IN-LCD
$200.50
MSRP: $230.58
You save 15%
Dwyer MSX‑W12‑IN‑LCD Differential Pressure Transmitter quantity
Mounting Bracket

Dwyer

SKU: A-299
$70.38
MSRP: $80.94
You save 15%
Dwyer A‑299 Mounting Bracket quantity
Multi‑Jet Water Meter 3/4″

Dwyer

SKU: WM2-A-C-03
$140.61
MSRP: $161.70
You save 15%
Dwyer WM2‑A‑C‑03 Multi‑Jet Water Meter 3/4" quantity
Water Pump Pressure Switch

Dwyer

SKU: CXA-R1
$27.86
MSRP: $32.04
You save 15%
Dwyer CXA‑R1 Water Pump Pressure Switch quantity
Digital Pressure Gauge 0‑100 psi

Dwyer

SKU: DPGW-08
$192.46
MSRP: $221.33
You save 15%
Dwyer DPGW‑08 Digital Pressure Gauge 0‑100 psi quantity
Ceiling Static Pressure Pickup Plate

Dwyer

SKU: A-419A
$23.35
MSRP: $26.85
You save 15%
Read more
Red Gauge Fluid – 4 oz Bottle

Dwyer

SKU: A-102
$27.53
MSRP: $31.66
You save 13%
Dwyer A‑102 Red Gauge Fluid – 4 oz Bottle quantity
Red Gage Fluid – 1 oz. Dispenser Bottle

Dwyer

SKU: A-101
$20.61
MSRP: $23.70
You save 13%
Dwyer A‑101 Red Gage Fluid – 1 oz. Dispenser Bottle quantity
Boiler Water Level Control

Dwyer

SKU: 123-7000-153
$733.76
MSRP: $843.82
You save 15%
Dwyer 123‑7000‑153 Boiler Water Level Control quantity