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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 PHOTOHELIC 0-1WC W/LOW TEMP

    PHOTOHELIC 0-1WC W/LOW TEMP

    DWYER:A3001-TAMP-LT
    SKU: DWYER:A3001-TAMP-LT
    $0.00
    Product Availability: Out of stock
    Picture of PHOTOHELIC 0-2WC,AIR VELOCITY

    PHOTOHELIC 0-2WC,AIR VELOCITY

    DWYER:A3002AV
    SKU: DWYER:A3002AV
    $797.72
    Product Availability: Out of stock
    Picture of PHOTOHELIC 0-40 W.C. UL/CSA

    PHOTOHELIC 0-40 W.C. UL/CSA

    DWYER:A3040
    SKU: DWYER:A3040
    $797.72
    Product Availability: Out of stock
    Picture of PHOTOHELIC 0-50 W.C.

    PHOTOHELIC 0-50 W.C.

    DWYER:A3050
    SKU: DWYER:A3050
    $797.72
    Product Availability: Out of stock
    Picture of PHOTOHELIC DRAFT CONTROL

    PHOTOHELIC DRAFT CONTROL

    DWYER:3302
    SKU: DWYER:3302
    $0.00
    Product Availability: Out of stock
    Picture of PHOTOHELIC PRES SWITCH 0-10WC

    PHOTOHELIC PRES SWITCH 0-10WC

    DWYER:DCTE610-3010MR
    SKU: DWYER:DCTE610-3010MR
    $0.00
    Product Availability: Out of stock
    Picture of PHOTOHELIC PRESSURE SWITCH

    PHOTOHELIC PRESSURE SWITCH

    DWYER:A3000-50MM
    SKU: DWYER:A3000-50MM
    $797.72
    Product Availability: Out of stock
    Picture of PHOTOHELIC PRESSURE SWTCH/GAGE

    PHOTOHELIC PRESSURE SWTCH/GAGE

    DWYER:A3301-24VAC-LT
    SKU: DWYER:A3301-24VAC-LT
    $0.00
    Product Availability: Out of stock
    Picture of PHOTOHELIC W/ 24V RELAY 0-1WC

    PHOTOHELIC W/ 24V RELAY 0-1WC

    DWYER:A3001-24VAC
    SKU: DWYER:A3001-24VAC
    $0.00
    Product Availability: Out of stock
    Picture of PHOTOHELIC,BI-DIREC .05-.20WC

    PHOTOHELIC,BI-DIREC .05-.20WC

    DWYER:A3000-00N
    SKU: DWYER:A3000-00N
    $842.35
    Product Availability: Out of stock
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