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    Dwyer

    Perhaps most well-known is our Magnehelic gage, which has been an industry standard since its introduction in 1953.

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    Picture of MANUAL RESET INVCREASE PRESSURE 10-300 PSIG SPDT

    MANUAL RESET INVCREASE PRESSURE 10-300 PSIG SPDT

    DWYER:DR-7031-153L-9
    SKU: DWYER:DR-7031-153L-9
    $0.00
    Product Availability: Out of stock
    Picture of 5/100# SPDT M/R ON # RISE

    5/100# SPDT M/R ON # RISE

    DWYER:DR-7031-153U-6
    SKU: DWYER:DR-7031-153U-6
    $0.00
    Product Availability: Out of stock
    Picture of 5/150# SPDT M/R OPENONRISE #SW

    5/150# SPDT M/R OPENONRISE #SW

    DWYER:DR-7031-153U-7
    SKU: DWYER:DR-7031-153U-7
    $0.00
    Product Availability: Out of stock
    Picture of 10-200# SPDT M/R ON # RISE

    10-200# SPDT M/R ON # RISE

    DWYER:DR-7031-153U-8
    SKU: DWYER:DR-7031-153U-8
    $0.00
    Product Availability: Out of stock
    Picture of 10-300# SPDT M/R ON # RISE

    10-300# SPDT M/R ON # RISE

    DWYER:DR-7031-153U-9
    SKU: DWYER:DR-7031-153U-9
    $0.00
    Product Availability: Out of stock
    Picture of 5-150# M/R ON # FALL DPDT PRES

    5-150# M/R ON # FALL DPDT PRES

    DWYER:DR-7031-804L-7
    SKU: DWYER:DR-7031-804L-7
    $0.00
    Product Availability: Out of stock
    Picture of SMOKE GAGE KIT

    SMOKE GAGE KIT

    DWYER:920
    SKU: DWYER:920
    $0.00
    Product Availability: Out of stock
    Picture of 0-200# 1/2NPT 316L SS PRSGAUG

    0-200# 1/2NPT 316L SS PRSGAUG

    DWYER:765-064N
    SKU: DWYER:765-064N
    $0.00
    Product Availability: Out of stock
    Picture of 0-300# 1/2NPT 316L SS PRSGAUG

    0-300# 1/2NPT 316L SS PRSGAUG

    DWYER:765-074N
    SKU: DWYER:765-074N
    $0.00
    Product Availability: Out of stock
    Picture of 38R CNTRL VLV 8FT CAP SELF ACT

    38R CNTRL VLV 8FT CAP SELF ACT

    DWYER:38RD01VA42210081R4
    SKU: DWYER:38RD01VA42210081R4
    $0.00
    Product Availability: Out of stock
    Picture of MINIHELIC DIF #GAGE 0-1.0 SURF

    MINIHELIC DIF #GAGE 0-1.0 SURF

    DWYER:2-5001-BB
    SKU: DWYER:2-5001-BB
    $0.00
    Product Availability: Out of stock
    Picture of 0/2WC MINIHELIC BTM BARB CONN

    0/2WC MINIHELIC BTM BARB CONN

    DWYER:2-5002-BB
    SKU: DWYER:2-5002-BB
    $0.00
    Product Availability: Out of stock
    Picture of 0-2WCPHOTOHELIC TAMPERPROOF

    0-2WCPHOTOHELIC TAMPERPROOF

    DWYER:3002MR-TAMP
    SKU: DWYER:3002MR-TAMP
    $0.00
    Product Availability: Out of stock
    Picture of 0-2PHOTOHELICSW W/W-PROOFHSNG

    0-2PHOTOHELICSW W/W-PROOFHSNG

    DWYER:3002MR-WP
    SKU: DWYER:3002MR-WP
    $0.00
    Product Availability: Out of stock
    Picture of PRESSURE SWITCH/GAGE

    PRESSURE SWITCH/GAGE

    DWYER:3010MR-CBL20
    SKU: DWYER:3010MR-CBL20
    $0.00
    Product Availability: Out of stock
    Picture of 0-10WC GAUGE W/RLYS TAMPERPRF

    0-10WC GAUGE W/RLYS TAMPERPRF

    DWYER:3010MRS-TAMP
    SKU: DWYER:3010MRS-TAMP
    $0.00
    Product Availability: Out of stock
    Picture of 30X40 RECT DUCT AIRFLW STATION

    30X40 RECT DUCT AIRFLW STATION

    DWYER:FLST-R30X44
    SKU: DWYER:FLST-R30X44
    $0.00
    Product Availability: Out of stock
    Picture of 34X34 RECT DUCT AIRFLOWSTATION

    34X34 RECT DUCT AIRFLOWSTATION

    DWYER:FLST-R34X34
    SKU: DWYER:FLST-R34X34
    $0.00
    Product Availability: Out of stock
    Picture of 0-40 CAPSU-PHOTOHELIC GAUGE

    0-40 CAPSU-PHOTOHELIC GAUGE

    DWYER:43040
    SKU: DWYER:43040
    $0.00
    Product Availability: Out of stock
    Picture of 0-50 CAPSU-PHOTOHELIC GAUGE

    0-50 CAPSU-PHOTOHELIC GAUGE

    DWYER:43050
    SKU: DWYER:43050
    $0.00
    Product Availability: Out of stock
    Picture of 0-200CAPSU-PHOTOHELIC GAUGE

    0-200CAPSU-PHOTOHELIC GAUGE

    DWYER:43200
    SKU: DWYER:43200
    $0.00
    Product Availability: Out of stock
    Picture of 0-.5 PHOTOHELIC GUAGE

    0-.5 PHOTOHELIC GUAGE

    DWYER:43000-0
    SKU: DWYER:43000-0
    $0.00
    Product Availability: Out of stock
    Picture of FLOTECT FLOWSWITCH VERTUPFLOW

    FLOTECT FLOWSWITCH VERTUPFLOW

    DWYER:V4-2-U-V
    SKU: DWYER:V4-2-U-V
    $0.00
    Product Availability: Out of stock
    Picture of ULTRA VIEW FLOWMETER 2-20GPM

    ULTRA VIEW FLOWMETER 2-20GPM

    DWYER:UV-3122
    SKU: DWYER:UV-3122
    $0.00
    Product Availability: Out of stock
    Picture of 4-20MA, DIFF.PRESS.TRAN.W/LCD

    4-20MA, DIFF.PRESS.TRAN.W/LCD

    DWYER:MS-112-LCD
    SKU: DWYER:MS-112-LCD
    $0.00
    Product Availability: Out of stock
    Picture of DIFFPRESSTNSMTR 4-20MA W/LCD

    DIFFPRESSTNSMTR 4-20MA W/LCD

    DWYER:MS-141-LCD
    SKU: DWYER:MS-141-LCD
    $0.00
    Product Availability: Out of stock
    Picture of DIFF PRESS TRANS 4-20MA

    DIFF PRESS TRANS 4-20MA

    DWYER:MS-151-LCD
    SKU: DWYER:MS-151-LCD
    $0.00
    Product Availability: Out of stock
    Picture of .1,.25,.5WC # XMITTER;0-10V

    .1,.25,.5WC # XMITTER;0-10V

    DWYER:MS-221-LCD
    SKU: DWYER:MS-221-LCD
    $0.00
    Product Availability: Out of stock
    Picture of 0-10V 1,2,5 GIG PRESS TRANS

    0-10V 1,2,5 GIG PRESS TRANS

    DWYER:MS-311
    SKU: DWYER:MS-311
    $0.00
    Product Availability: Out of stock
    Picture of 0-10V 1/2/5 DIFF PRESS TRAN

    0-10V 1/2/5 DIFF PRESS TRAN

    DWYER:MS-311-LCD
    SKU: DWYER:MS-311-LCD
    $0.00
    Product Availability: Out of stock
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