Dwyer Instruments

On Sale!

Compare

Dwyer Instruments DXW-11-153-1 DIF. # SWITCH NEMA 4X SPDT 1/4

Was: $261.84

Now: $161.95

Choose Options
On Sale!

Compare

Dwyer Instruments 2000-0 0/.50" Magnehelic Diff. # Gage

Was: $153.82

Now: $96.95
On Sale!

Compare

Dwyer Instruments A3000-00 PHOTOHELIC # SWTCH 0-.25 UL/CS

Was: $1,096.60

Now: $678.65
On Sale!

Compare

Dwyer Instruments 605-2 0/2" Indicating # Transmitter

Was: $714.96

Now: $446.51
On Sale!

Compare

Dwyer Instruments 2-5005 MINIHELIC II DIF# GAGE 0-5.0"

Was: $118.08

Now: $73.30
On Sale!

Compare

Dwyer Instruments 605-1 0/1" Diff. # Indicating Xmttr

Was: $772.99

Now: $474.95
On Sale!

Compare

Dwyer Instruments 2-5002 0/2" Minihelic II Diff. # Gage

Was: $118.48

Now: $73.95

Choose Options
On Sale!

Compare

Dwyer Instruments A-700 120/240V POWER SUPPLY

Was: $276.75

Now: $171.51
On Sale!

Compare

Dwyer Instruments A-605 AirFilterGaugeAccessoryPackage

Was: $135.53

Now: $83.95

Choose Options
On Sale!

Compare

Dwyer Instruments DA-7031-153-9 10/300# SPDT Snap Switch

Was: $1,876.35

Now: $1,150.95

Choose Options
On Sale!

Compare

Dwyer Instruments 530 400/1600FPM Air Flow Switch

Was: $259.90

Now: $159.95

Choose Options
On Sale!

Compare

Dwyer Instruments 1996-20 4/20"WC Gas Pressure Switch

Was: $324.62

Now: $198.95
On Sale!

Compare

Dwyer Instruments SFI-100-1 1" Sight Flow Indicator

Was: $500.13

Now: $303.95

Choose Options
On Sale!

Compare

Dwyer Instruments 1950G-20-B-120-NA 4/20"WC XPrf Differential # Sw

Was: $808.64

Now: $504.02
On Sale!

Compare

Dwyer Instruments 616KD-01 0 to 2" wc Diff#Trnsmtr 4-20ma

Was: $207.73

Now: $129.95

Choose Options
On Sale!

Compare

Dwyer Instruments 480 VANEOMETER; 25-400fpm

Was: $99.09

Now: $61.95
On Sale!

Compare

Dwyer Instruments 1950G-00-B-120-NA .07-.15"XPRF DIFF # SWITCH

Was: $758.00

Now: $470.06
On Sale!

Compare

Dwyer Instruments 1950-5-2F 1.4/5.5" XPrf Differential #Sw

Was: $655.73

Now: $402.95

Choose Options
On Sale!

Compare

Dwyer Instruments 1950-20-2F 4/20"WC XPrf Differential # Sw

Was: $655.73

Now: $405.95
On Sale!

Compare

Dwyer Instruments 1223-36-D U-Tube Manometer -18/0/18" RED

Was: $372.90

Now: $228.95
On Sale!

Compare

Dwyer Instruments DA-7031-153-1 1/8-15# SPDT SnapSw BrassTube

Was: $1,346.10

Now: $834.75
On Sale!

Compare

Dwyer Instruments 1950-10-2F 3/11"WC XPrf Differential # Sw

Was: $655.73

Now: $405.95

Choose Options
On Sale!

Compare

Dwyer Instruments 1950-1-2F .4/1.6" XPrf Differential # Sw

Was: $655.73

Now: $402.95

Choose Options
On Sale!

Compare

Pressure Gauge Adapter Kit: For Dwyer Megahelic Gauges,, A-432

Was: $174.01

Now: $107.95

Choose Options
On Sale!

Compare

Dwyer Instruments 1950-00-2F .07/.15" XPrf Differential #Sw

Was: $655.69

Now: $402.95

Choose Options
On Sale!

Compare

Dwyer Instruments 475-3-FM 0/200" Handheld Dig. Manometer

Was: $564.71

Now: $346.95

Choose Options
On Sale!

Compare

Dwyer Instruments 1950-0-2F .15/.5" XPrf Differential # Sw

Was: $655.73

Now: $402.95

Choose Options
On Sale!

Compare

Dwyer Instruments TSW-260 TEMP SWITCH,12-24VAC/VDC

Was: $214.37

Now: $133.43
On Sale!

Compare

Dwyer Instruments 475-2-FM 0/40" Dig. Handheld Manometer

Was: $564.71

Now: $348.95

Choose Options
On Sale!

Compare

Dwyer Instruments 1920-0 .15/.5"WC Low Differential #Sw

Was: $204.67

Now: $125.95

Choose Options
On Sale!

Compare

Dwyer Instruments 1911-00 .07/.15" Diff # Sw;NoEnclosure

Was: $174.98

Now: $108.95

Choose Options
On Sale!

Compare

Dwyer Instruments 475-1-FM 0-20.00"WC 10#MAX HndHldDigMan

Was: $785.24

Now: $481.95
On Sale!

Compare

Dwyer Instruments 1910-5 1.4-5.5" Differential # Switch

Was: $160.05

Now: $99.95

Choose Options
On Sale!

Compare

Dwyer Instruments 1910-20 4/20" Differential # Switch

Was: $160.05

Now: $98.95

Choose Options
On Sale!

Compare

Dwyer Instruments DR-7031-153L-7 5/150# SPDT M/R SS # Switch

Was: $2,090.19

Now: $1,291.95

Choose Options
On Sale!

Compare

Dwyer Instruments 1910-10 3/11.75" DIFF.# Switch

Was: $160.05

Now: $98.95

Choose Options
On Sale!

Compare

Dwyer Instruments 1910-1 .4/1.6" Differential # Switch

Was: $160.05

Now: $99.95

Choose Options
On Sale!

Compare

Dwyer Instruments 629C-04-CHP2E5S13V 0/50# NEMA4X # Xmitter; 4-20mA

Was: $1,171.67

Now: $724.95

Choose Options
On Sale!

Compare

Dwyer Instruments 1910-00 .07/.15" Differential # Switch

Was: $169.47

Now: $105.95

Choose Options
On Sale!

Compare

Dwyer Instruments 1910-0 .15/.55" Differential # Switch

Was: $160.05

Now: $98.95

Choose Options
On Sale!

Compare

Dwyer Instruments 1900-5MR 1.4/5.5" M/R Diff. # Switch

Was: $235.05

Now: $146.95

Choose Options
On Sale!

Compare

Dwyer Instruments A-370 Mounting Bracket

Was: $88.77

Now: $54.94
On Sale!

Compare

Dwyer Instruments 1900-20MR PRESSURE SWITCH 4"-20" M/R

Was: $209.57

Now: $131.02
On Sale!

Compare

Dwyer Instruments 460 260-4000FPM/.005-1" Air Meter

Was: $134.08

Now: $83.63
On Sale!

Compare

Dwyer Instruments 1900-1MR .4/1.6" M/R Diff. # Switch

Was: $230.39

Now: $144.95

Choose Options
On Sale!

Compare

Dwyer Instruments WD3-LP-D2-A LINE POWERED WATER LEAK DETECT

Was: $124.15

Now: $76.95

Choose Options
On Sale!

Compare

Dwyer Instruments 1900-10MR 3/11.75" M/R Diff. # Switch

Was: $235.05

Now: $145.95

Choose Options
On Sale!

Compare

Dwyer Instruments V6EPB-B-D-4-B 1 1/4" BRASS DPDT FLOW SWITCH

Was: $883.10

Now: $541.95

Choose Options
On Sale!

Compare

Dwyer Instruments 1823-5 1.5/5"WC Low Differential # Sw

Was: $210.58

Now: $129.95

Choose Options
On Sale!

Compare

Dwyer Instruments 1823-40 5/44"WC Low Differential # Swt

Was: $210.58

Now: $129.95
On Sale!

Compare

Dwyer Instruments WD3-LP-D2 24V Water Leak Detect;No Alarm

Was: $118.41

Now: $72.95

Add to Cart The item has been added
On Sale!

Compare

Dwyer Instruments 1823-20 3/22"WC Low Differential # Swt

Was: $210.58

Now: $129.95

Choose Options
On Sale!

Compare

Dwyer Instruments 1823-2 .5"-2"wc Low Diff Press Switch

Was: $210.58

Now: $129.95

Choose Options
On Sale!

Compare

Dwyer Instruments 1823-10 2/10"WC Low Differential # Sw

Was: $210.58

Now: $129.95

Choose Options
On Sale!

Compare

Dwyer Instruments 1823-1 .3/1"WC Low Differential # Sw

Was: $210.58

Now: $129.95

Choose Options
On Sale!

Compare

Dwyer Instruments 1823-00 .07/.22" Low Differential # Sw

Was: $220.75

Now: $136.95

Choose Options
On Sale!

Compare

Dwyer Instruments 1823-0 .15/.5"WC Low Differential #Sw

Was: $210.58

Now: $128.95

Choose Options
On Sale!

Compare

Dwyer Instruments 16B-33 1/16DIN Temp Control;2RelayOut

Was: $288.31

Now: $176.95

Choose Options
On Sale!

Compare

Dwyer Instruments DA-31-2-9 10/300# SPST Mercury # Switch

Was: $1,940.85

Now: $1,188.84
On Sale!

Compare

Dwyer Instruments 16C-3 TEMPERATURE CONTROLLER

Was: $228.51

Now: $139.97
On Sale!

Compare

Dwyer Instruments DR-7031-153U-1 1/8-15# SPDT M/R On # Rise

Was: $1,484.34

Now: $917.23
On Sale!

Compare

Dwyer Instruments DA-31-2-1 1/8-15# OpenRiseMerc#Switch

Was: $1,756.29

Now: $1,075.79
On Sale!

Compare

Dwyer Instruments DR-7031-153L-1 1/8-15# SPDT M/R On # Fall

Was: $1,905.33

Now: $1,181.55
On Sale!

Compare

Dwyer Instruments 1640-0 .01/.2" FloatingContactNullSw

Was: $1,450.65

Now: $889.95

Choose Options
On Sale!

Compare

Dwyer Instruments 1638-5 DIFF # SWITCH 2-6"wc

Was: $957.99

Now: $587.95

Choose Options
On Sale!

Compare

Dwyer Instruments 1638-2 Diff # Swtch;1.0-3.0"VisSetPnt

Was: $957.99

Now: $594.95

Choose Options
On Sale!

Compare

Dwyer Instruments 1638-10 3-12"DIFF # SWITCH

Was: $957.99

Now: $594.95

Choose Options
On Sale!

Compare

Dwyer Instruments 1638-1 .2-1" # Switch; Visible Set Pt

Was: $957.99

Now: $594.95

Choose Options
On Sale!

Compare

Dwyer Instruments 1638-0 .05/.25" # Sw W/VisualSetPtAdj

Was: $957.99

Now: $591.95

Choose Options
On Sale!

Compare

Dwyer Instruments 16133 Temp Control W/Alarm & 2Relays

Was: $1,839.29

Now: $1,144.79
On Sale!

Compare

Dwyer Instruments WM2-A-C-03 3/4" MultiJetWaterMeterBrass

Was: $233.29

Now: $144.95

Choose Options
On Sale!

Compare

Dwyer Instruments 629C05-CH-P2-E5-S1 0-100# 4-20mA 1/4"NPT PressTrn

Was: $689.55

Now: $426.74
On Sale!

Compare

Dwyer Instruments MS-311-LCD 0-10V 1"/2"/5" DIFF PRESS TRAN

Was: $322.78

Now: $199.35
On Sale!

Compare

Dwyer Instruments 629C03CHP2E5-S1-3V 0-25# 4-20mA 1/4"NPT PressTrns

Was: $1,044.37

Now: $652.93
On Sale!

Compare

Dwyer Instruments MS-111-LCD DIFF # XMITTER .5/5" W/ LCD

Was: $281.40

Now: $174.51
On Sale!

Compare

Dwyer Instruments CSG Current/Volt Signal Generator

Was: $540.29

Now: $328.95

Choose Options
On Sale!

Compare

Dwyer Instruments MS-111 1/2/5" Diff # Xmitter; 4-20mA

Was: $199.55

Now: $123.67
On Sale!

Compare

Dwyer Instruments DPGW-08 0/100# Dig #Gage; 1/4 BtmMnt

Was: $310.37

Now: $191.95

Choose Options
On Sale!

Compare

Dwyer Instruments TSS2-2100 DUAL STAGE TEMP SWTCH 115VAC

Was: $189.28

Now: $115.95
On Sale!

Compare

Dwyer Instruments CS-1 1-30"HgVac.SPDT SnapSw 30#MAX

Was: $759.92

Now: $465.47
On Sale!

Compare

Dwyer Instruments 2330 15-0-15"wc MAGNAHELIC GAGE

Was: $184.65

Now: $114.44
On Sale!

Compare

Dwyer Instruments 616KD-A-08 0/40"WC Diff # Xmitter; 11#Max

Was: $380.36

Now: $233.95

Choose Options
On Sale!

Compare

Dwyer Instruments 2304 2"/0/2" Magnehelic Diff # Gage

Was: $181.26

Now: $111.95

Choose Options
On Sale!

Compare

Dwyer Instruments 123-7000-153 SPDT Snap Sw Water Lvl Control

Was: $1,168.11

Now: $716.95

Choose Options
On Sale!

Compare

Dwyer Instruments 616KD-A-06 0/20"WC Diff # Xmitter; 11#Max

Was: $362.07

Now: $221.78
On Sale!

Compare

Dwyer Instruments MARKII-25 0/3"WC Plastic Manometer

Was: $120.58

Now: $75.95

Choose Options
On Sale!

Compare

Dwyer Instruments 2302 1"-0-1" Magnehelic Diff # Gage

Was: $181.26

Now: $112.95

Choose Options
On Sale!

Compare

Dwyer Instruments 616KD-A-04 0/10" .25% Diff. # Xmitter

Was: $362.07

Now: $221.78
On Sale!

Compare

Dwyer Instruments 123-3 Level Controller SPST, Break on Rise

Was: $1,146.60

Now: $716.84
On Sale!

Compare

Dwyer Instruments 2301 .5"/0/.5" Magnehelic Diff#Gage

Was: $188.51

Now: $116.95

Choose Options
On Sale!

Compare

Dwyer Instruments 123-2 Level Controller SPST, Make on Rise

Was: $1,146.60

Now: $716.84
On Sale!

Compare

Dwyer Instruments LPG3-D8122N Low Pressure Gauge 0-15"wc

Was: $193.87

Now: $119.95

Choose Options
On Sale!

Compare

Dwyer Instruments 862E 36/82f SPDT Xprf Hvy Duty Stat

Was: $1,078.19

Now: $660.95

Choose Options
On Sale!

Compare

Dwyer Instruments 2300-00 -.125/0/.125" Magnehelic Gauge

Was: $181.26

Now: $112.95

Choose Options
On Sale!

Compare

Dwyer Instruments 123-153 Boiler Water Level Control SPDT

Was: $993.72

Now: $616.24
On Sale!

Compare

Dwyer Instruments 2300-0 .25/0/.25" Magnehelic # Gage

Was: $181.26

Now: $111.95

Choose Options

All prices are in USD. © 2026 1877ForParts.com | Sitemap | All Rights Reserved

Secure Shopping 128 Bit Encryption