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Dwyer 476A-0 Single Pressure Digital Manometer, -20 to 20

Dwyer 476A-0 Single Pressure Digital Manometer, -20 to 20

$150.00$75.00

Dwyer DS-300-2

Dwyer DS-300-2

$189.00$94.50

NEW IN BOX DWYER MAGNEHELIC PRESSURE GAUGE 102010-00 0-10

NEW IN BOX DWYER MAGNEHELIC PRESSURE GAUGE 102010-00 0-10

$45.00$22.50

Dwyer Instruments DCT1022-DCP100A-WPPHS

Dwyer Instruments DCT1022-DCP100A-WPPHS

$245.00$122.50

DWYER Model 2301 Magnehelic Differential Pressure Gauge, 0.5 - 0 -0.5 WC

DWYER Model 2301 Magnehelic Differential Pressure Gauge, 0.5 - 0 -0.5 WC

$30.00$15.00

Dwyer Magnehelic Pressure Gauge Model 2001 (in Box). 1 Inch Gauge( 1")

Dwyer Magnehelic Pressure Gauge Model 2001 (in Box). 1 Inch Gauge( 1")

$33.50$16.75

DWYER PRESSURE SWITCH 1910-00 15A AMP 125/250/480Vac

DWYER PRESSURE SWITCH 1910-00 15A AMP 125/250/480Vac

$29.99$14.99

Dwyer - Pressure Gauge - #2002C

Dwyer - Pressure Gauge - #2002C

$20.66$10.33

Dwyer Magnehelic Differential Pressure Gauge 0 To 2 Inches Of WATER Not Tested

Dwyer Magnehelic Differential Pressure Gauge 0 To 2 Inches Of WATER Not Tested

$19.99$9.99

DWYER TE-DFG-A0844-00 / TEDFGA084400 (NEW IN BOX)

DWYER TE-DFG-A0844-00 / TEDFGA084400 (NEW IN BOX)

$180.00$90.00

Dwyer Mark II Manometer

Dwyer Mark II Manometer

$30.00$15.00

Dwyer 2000-00C Magnehelic Pressure Gauge, 0-0.25 In of Water. Calibrated

Dwyer 2000-00C Magnehelic Pressure Gauge, 0-0.25 In of Water. Calibrated

$29.99$14.99

Dwyer Love Controls 4B-53 100-240 V AC LED Temperature / Process Controller

Dwyer Love Controls 4B-53 100-240 V AC LED Temperature / Process Controller

$76.48$38.24

Dwyer A3310 Photohelic, Range -5 to +5 INWC, 120 Volt.

Dwyer A3310 Photohelic, Range -5 to +5 INWC, 120 Volt.

$100.00$50.00

DWYER INSTRUMENTS 605-3 Dwyer Magnehelic Pressure Transmitter, 0/3.0 in WC

DWYER INSTRUMENTS 605-3 Dwyer Magnehelic Pressure Transmitter, 0/3.0 in WC

$199.00$99.50

Dwyer 1639-2 Weatherproof Pressure Switch

Dwyer 1639-2 Weatherproof Pressure Switch

$224.95$112.47

Dwyer MARK II 25 Manometer w/ Accessories

Dwyer MARK II 25 Manometer w/ Accessories

$40.00$20.00

Dwyer 475-000 Mark III Handheld Digital Manometer

Dwyer 475-000 Mark III Handheld Digital Manometer

$75.00$37.50

Dwyer 476a Monometer

Dwyer 476a Monometer

$35.00$17.50

Dwyer Magnehelic Differential Pressure Gauge 0 To 2 Inches Of WATER Tested$50

Dwyer Magnehelic Differential Pressure Gauge 0 To 2 Inches Of WATER Tested$50

$17.99$8.99

The Cousins O'Dwyer Trilogy Series All 3 Books in Paperback

The Cousins O'Dwyer Trilogy Series All 3 Books in Paperback

$9.45$4.72

Dwyer VFB-52-SSV Flow Meter, 4" Scale

Dwyer VFB-52-SSV Flow Meter, 4" Scale

$28.50$14.25

Dwyer Magnehelic Differential Pressure Gauge 30" H2O 15PSIG 2030-NIST

Dwyer Magnehelic Differential Pressure Gauge 30" H2O 15PSIG 2030-NIST

$24.99$12.49

Dwyer Binks Mark II Manometer Model 25 Pressure Gauge -.05" to 3"

Dwyer Binks Mark II Manometer Model 25 Pressure Gauge -.05" to 3"

$39.95$19.98

Dwyer 2000-0 Magnehelic® Differential Pressure Gage

Dwyer 2000-0 Magnehelic® Differential Pressure Gage

$39.95$19.98

DWYER Model 2301 Magnehelic Differential Pressure Gauge, 0.5 - 0 -0.5 WC

DWYER Model 2301 Magnehelic Differential Pressure Gauge, 0.5 - 0 -0.5 WC

$20.00$10.00

Dwyer 485B-1 Thermo-Hygrometer - Free Shipping

Dwyer 485B-1 Thermo-Hygrometer - Free Shipping

$119.99$59.99

Dwyer W36Y JA Magnehelic Pressure Gauge 15 PSIG

Dwyer W36Y JA Magnehelic Pressure Gauge 15 PSIG

$35.00$17.50

DWYER MS 311 LCD Magnesense Digital Pressure Transmitter Gauge Meter MS-311-LCD

DWYER MS 311 LCD Magnesense Digital Pressure Transmitter Gauge Meter MS-311-LCD

$79.00$39.50

Dwyer 640-0 Air Velocity Transmitter Series 640

Dwyer 640-0 Air Velocity Transmitter Series 640

$289.29$144.65

Dwyer Series 657 Humidity Temperature Transmitter

Dwyer Series 657 Humidity Temperature Transmitter

$203.49$101.75

Dwyer VFC-141 Flow Meter VFC141

Dwyer VFC-141 Flow Meter VFC141

$54.99$27.50

Dwyer Magnehelic. Differential Pressure Gage, series 2000

Dwyer Magnehelic. Differential Pressure Gage, series 2000

$44.00$22.00

Dwyer Magnehelic 0 To .50 Differential Pressure Gages 2000-0C w/ Bracket

Dwyer Magnehelic 0 To .50 Differential Pressure Gages 2000-0C w/ Bracket

$29.95$14.97

Dwyer Magnehelic. Differential Pressure Gage, series 2000

Dwyer Magnehelic. Differential Pressure Gage, series 2000

$44.00$22.00

Dwyer Magnehelic Pressure Gage Exhaust Air 15PSIG 194545-00 W43G New(Open Box)

Dwyer Magnehelic Pressure Gage Exhaust Air 15PSIG 194545-00 W43G New(Open Box)

$19.00$9.50

Dwyer 2000 Magnehelic Pressure Gauge

Dwyer 2000 Magnehelic Pressure Gauge

$45.00$22.50

Dwyer DPGW-08

Dwyer DPGW-08

$125.00$62.50

Dwyer Magnehelic 0 To .50 Differential Pressure Gages 2000-0C

Dwyer Magnehelic 0 To .50 Differential Pressure Gages 2000-0C

$29.99$14.99

DWYER 629C-04-CH-P2-E5-S1-LCD-3v-3V/629C04CHP2E5S1LCD3V Pressure Transmitter

DWYER 629C-04-CH-P2-E5-S1-LCD-3v-3V/629C04CHP2E5S1LCD3V Pressure Transmitter

$499.00$249.50

DWYER MODEL 2006 MAGNEHELIC PRESSURE GAGE

DWYER MODEL 2006 MAGNEHELIC PRESSURE GAGE

$39.99$20.00

Dwyer Model 25 Mark II Manometer, 0-3" Water P/N 100070-00 New in Sealed Box

Dwyer Model 25 Mark II Manometer, 0-3" Water P/N 100070-00 New in Sealed Box

$39.99$20.00

DWYER 2015 MAGNEHELIC PRESSURE GAGE 0-15 INCHES of WATER

DWYER 2015 MAGNEHELIC PRESSURE GAGE 0-15 INCHES of WATER

$19.50$9.75

Dwyer A-448 3-Piece Magnet Mounting Kit for use w/Magnehelic Gauges

Dwyer A-448 3-Piece Magnet Mounting Kit for use w/Magnehelic Gauges

$17.03$8.52

Dwyer Magnehelic Pressure Gauge 0-2” Water, Catalog 2002C

Dwyer Magnehelic Pressure Gauge 0-2” Water, Catalog 2002C

$15.00$7.50

DWYER MAGNEHELIC PRESSURE GAGE 0-10 INCHES of WATER with CASE

DWYER MAGNEHELIC PRESSURE GAGE 0-10 INCHES of WATER with CASE

$20.00$10.00

Dwyer Model 400 Air Velocity Meter Manometer w/ Metal Case

Dwyer Model 400 Air Velocity Meter Manometer w/ Metal Case

$75.00$37.50

Dwyer MARK II 25 Plastic Manometer 0-3" WC, Stand/Vertical Mount

Dwyer MARK II 25 Plastic Manometer 0-3" WC, Stand/Vertical Mount

$40.00$20.00

Nice Vintage 5" DWYER Magnehelic Pressure Gauge Used / Preowned - Untested

Nice Vintage 5" DWYER Magnehelic Pressure Gauge Used / Preowned - Untested

$9.55$4.78

1979 Topps #236 Jim Dwyer Giants 8 - NM/MT

1979 Topps #236 Jim Dwyer Giants 8 - NM/MT

$13.00$6.50

Dwyer Magnehelic 2015C Pressure Gauge, 15psi

Dwyer Magnehelic 2015C Pressure Gauge, 15psi

$25.00$12.50

Dwyer 2010C Magnehelic Gauge

Dwyer 2010C Magnehelic Gauge

$29.95$14.97

Dwyer Magnesense MS-121-LCD

Dwyer Magnesense MS-121-LCD

$14.99$7.50

Dwyer Vaneometer, #480, NEW

Dwyer Vaneometer, #480, NEW

$42.50$21.25

dwyer Magnehelic Differential Pressure Gage 0-2 15 PSIG

dwyer Magnehelic Differential Pressure Gage 0-2 15 PSIG

$21.02$10.51

Dwyer 3304 R49M 3000 Series Photohelic Pressure Switch/Gauge

Dwyer 3304 R49M 3000 Series Photohelic Pressure Switch/Gauge

$55.00$27.50

Dwyer 1996-20 Gas Pressure Switch (4.0" - 20.0" W.C.) - New in Box

Dwyer 1996-20 Gas Pressure Switch (4.0" - 20.0" W.C.) - New in Box

$100.00$50.00

1979 Topps #236 Jim Dwyer Giants 7 - NM

1979 Topps #236 Jim Dwyer Giants 7 - NM

$4.00$2.00

Dwyer Magnehelic Pressure Gage 15 PSIG 2004

Dwyer Magnehelic Pressure Gage 15 PSIG 2004

$23.99$11.99

Dwyer Magnehelic 2100 Differential Pressure Gauge

Dwyer Magnehelic 2100 Differential Pressure Gauge

$16.95$8.47

Dwyer 2000-00AV Magnehelic Differential Pressure Gauge 0-0.25"

Dwyer 2000-00AV Magnehelic Differential Pressure Gauge 0-0.25"

$59.95$29.98

1979 Topps #236 Jim Dwyer Giants 5 - EX

1979 Topps #236 Jim Dwyer Giants 5 - EX

$0.99$0.49

1979 Topps #236 Jim Dwyer Giants 6 - EX/MT

1979 Topps #236 Jim Dwyer Giants 6 - EX/MT

$2.30$1.15

Dwyer 2002 Magnehelic Differential Pressure Gauge

Dwyer 2002 Magnehelic Differential Pressure Gauge

$49.78$24.89

Dwyer Instruments VFA-7

Dwyer Instruments VFA-7

$29.99$14.99

DWYER MINIHELIC II SERIES 5000 PRESSURE GAUGE 0-2 INCHES W.C 2-5002

DWYER MINIHELIC II SERIES 5000 PRESSURE GAUGE 0-2 INCHES W.C 2-5002

$25.00$12.50

Dwyer Magnehelic 2001 AV Pressure Gauge.

Dwyer Magnehelic 2001 AV Pressure Gauge.

$41.00$20.50

Dwyer 2320 LT Magnehelic Pressure Gauge 15PSIG 0-10" of Water

Dwyer 2320 LT Magnehelic Pressure Gauge 15PSIG 0-10" of Water

$25.00$12.50

*NEW* Dwyer 2004 Magnehelic Pressure Gauge 0-4" Water 15Psig Max 🇺🇸 + Warranty

*NEW* Dwyer 2004 Magnehelic Pressure Gauge 0-4" Water 15Psig Max 🇺🇸 + Warranty

$50.00$25.00

Dwyer Magnehelic Pressure Gauge 0-3'' of Water Max Pressure 15 PSIG Cat # 2003C

Dwyer Magnehelic Pressure Gauge 0-3'' of Water Max Pressure 15 PSIG Cat # 2003C

$44.95$22.48

Dwyer Instrument RMA-10-SSV, Flow Meter 0-200 SCFH AIR

Dwyer Instrument RMA-10-SSV, Flow Meter 0-200 SCFH AIR

$33.99$17.00

Dwyer A-610 Pipe Mount Magnehelic Capsuhelic 1950 Series 1-1/2" to 2" Pipe

Dwyer A-610 Pipe Mount Magnehelic Capsuhelic 1950 Series 1-1/2" to 2" Pipe

$27.99$13.99

Dwyer 2005C Magnehelic Differential Pressure Gauge 0-5", 15PSIG

Dwyer 2005C Magnehelic Differential Pressure Gauge 0-5", 15PSIG

$59.95$29.98

Dwyer Magnehelic Minihelic Photohelic Gages catalog A-30 1973

Dwyer Magnehelic Minihelic Photohelic Gages catalog A-30 1973

$9.99$5.00

Dwyer 2040 Magnahelic Pressure Gauge 0-5 On Dial 15 psi max NEW

Dwyer 2040 Magnahelic Pressure Gauge 0-5 On Dial 15 psi max NEW

$39.00$19.50

Dwyer A-101 .826 Specific Gravity Gauge Fluid, Red, 1 oz. Bottle

Dwyer A-101 .826 Specific Gravity Gauge Fluid, Red, 1 oz. Bottle

$13.54$6.77

Dwyer Magnehelic Model 2015 Differential Pressure Gage 0-15" H2O Made In USA New

Dwyer Magnehelic Model 2015 Differential Pressure Gage 0-15" H2O Made In USA New

$24.95$12.47

2022 Topps Finest - Dom Dwyer #79 - Refractor

2022 Topps Finest - Dom Dwyer #79 - Refractor

$4.00$2.00

DWYER Magnehelic 2300-0 / 0-.25 Inches of Water

DWYER Magnehelic 2300-0 / 0-.25 Inches of Water

$29.99$14.99

Dwyer Slack Tube Manometer model 1212. Box HH

Dwyer Slack Tube Manometer model 1212. Box HH

$30.00$15.00

Dywer 2000- 00C Magnehelic Gauge with Storage Case

Dywer 2000- 00C Magnehelic Gauge with Storage Case

$35.00$17.50

New Dwyer Model 25 Mark II Manometer, 0-3" W.C.

New Dwyer Model 25 Mark II Manometer, 0-3" W.C.

$56.35$28.18

Dwyer 1910-0 Differential Pressure Switch -Range 0.15-0.5" W.C - Series 1900

Dwyer 1910-0 Differential Pressure Switch -Range 0.15-0.5" W.C - Series 1900

$19.95$9.97

Dwyer 2002 Magnehelic Pressure Gauge 0-2 Inches of Water 0-2" H20 NEW

Dwyer 2002 Magnehelic Pressure Gauge 0-2 Inches of Water 0-2" H20 NEW

$34.99$17.50

dwyer magnehelic differential pressure guage model 190080-00

dwyer magnehelic differential pressure guage model 190080-00

$22.50$11.25

DWYER MAGNEHELIC,2005,DIFFERENTIAL PRESSURE GAUGE 0-5 INCHES OF WATER NEW

DWYER MAGNEHELIC,2005,DIFFERENTIAL PRESSURE GAUGE 0-5 INCHES OF WATER NEW

$50.00$25.00

NEW Dwyer Magnehelic Differential Pressure Gage 0 – 6 inches of Water Model 2006

NEW Dwyer Magnehelic Differential Pressure Gage 0 – 6 inches of Water Model 2006

$38.98$19.49

Dwyer 2001D 102003-02 Magnehelic Differential Pressure Gauge 0-250 Pa New

Dwyer 2001D 102003-02 Magnehelic Differential Pressure Gauge 0-250 Pa New

$64.99$32.49

DWYER 2000-00 0-.25PSI NSMP

DWYER 2000-00 0-.25PSI NSMP

$64.00$32.00

Dwyer Instruments Magnehelic 2000-0-LT Max. Pressure 15 PSIG NEW IN PACKAGE

Dwyer Instruments Magnehelic 2000-0-LT Max. Pressure 15 PSIG NEW IN PACKAGE

$45.00$22.50

DWYER 2350 NSMP

DWYER 2350 NSMP

$55.00$27.50

DWYER 2010C MAGNEHELIC PRESSURE GAGE 0-10 INCHES of WATER

DWYER 2010C MAGNEHELIC PRESSURE GAGE 0-10 INCHES of WATER

$19.00$9.50

Dark Witch; Cousins O'Dwyer - Nora Roberts, 0425259854, paperback

Dark Witch; Cousins O'Dwyer - Nora Roberts, 0425259854, paperback

$3.89$1.95

Dwyer SCFH Air Flow Meter 0-100 (TSC)

Dwyer SCFH Air Flow Meter 0-100 (TSC)

$14.99$7.50

Dwyer 616KD-05-V Differential Air-Gas Pressure Transmitter Field Selectable VDC

Dwyer 616KD-05-V Differential Air-Gas Pressure Transmitter Field Selectable VDC

$49.00$24.50

Dwyer Magnehelic Differential Pressure Gage Gauge 0 - 2" Vintage Air Flow Draft

Dwyer Magnehelic Differential Pressure Gage Gauge 0 - 2" Vintage Air Flow Draft

$19.95$9.97

Dwyer Model 2002 Magnehelic Pressure Gauge, range 0 -2.0”.

Dwyer Model 2002 Magnehelic Pressure Gauge, range 0 -2.0”.

$49.95$24.98

Dwyer MARK II Molded Plastic Manometer By Cambridge Industries-Vintage-Open Box

Dwyer MARK II Molded Plastic Manometer By Cambridge Industries-Vintage-Open Box

$14.95$7.47

Dwyer Mercoid Daw-38-153-6 Mercoid Control Pressure Switch 1/8 Hp 120/240V , NOS

Dwyer Mercoid Daw-38-153-6 Mercoid Control Pressure Switch 1/8 Hp 120/240V , NOS

$149.00$74.50

DWYER DCT510A / DCT510A (BRAND NEW)

DWYER DCT510A / DCT510A (BRAND NEW)

$216.00$108.00