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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 LOW PRESSURE GAS SWITCH

    LOW PRESSURE GAS SWITCH

    DWYER:DRF-31-3U-1
    SKU: DWYER:DRF-31-3U-1
    $0.00
    Product Availability: Out of stock
    Picture of 0-400# SPDT MERC PREESURE SW

    0-400# SPDT MERC PREESURE SW

    DWYER:DRF-41-153U-21E
    SKU: DWYER:DRF-41-153U-21E
    $0.00
    Product Availability: Out of stock
    Picture of 1-35#XPFPRSW SPDT M/RONDECR FM

    1-35#XPFPRSW SPDT M/RONDECR FM

    DWYER:DRF-7031-153L-4
    SKU: DWYER:DRF-7031-153L-4
    $0.00
    Product Availability: Out of stock
    Picture of 0-15# M/R EXPPRF SPDT PRESSWT

    0-15# M/R EXPPRF SPDT PRESSWT

    DWYER:DRH-7031-153L-1
    SKU: DWYER:DRH-7031-153L-1
    $0.00
    Product Availability: Out of stock
    Picture of 1/8-15# SPDT M/R#FALL WEATHPRF

    1/8-15# SPDT M/R#FALL WEATHPRF

    DWYER:DRW-7033-153L-1
    SKU: DWYER:DRW-7033-153L-1
    $0.00
    Product Availability: Out of stock
    Picture of 1-35# SPDT WEATHERPRF M/R # SW

    1-35# SPDT WEATHERPRF M/R # SW

    DWYER:DRW-7033-153L-4
    SKU: DWYER:DRW-7033-153L-4
    $0.00
    Product Availability: Out of stock
    Picture of PSYCHROMETRIC SLIDE CHART

    PSYCHROMETRIC SLIDE CHART

    DWYER:A-530
    SKU: DWYER:A-530
    $0.00
    Product Availability: Out of stock
    Picture of 0/.5 LOW TEMP. HOR. CAL. GAGE

    0/.5 LOW TEMP. HOR. CAL. GAGE

    DWYER:2000-0-LT-HC
    SKU: DWYER:2000-0-LT-HC
    $0.00
    Product Availability: Out of stock
    Picture of 50-150 SPDT TEMP SWITCH

    50-150 SPDT TEMP SWITCH

    DWYER:DAH-35-153-4N
    SKU: DWYER:DAH-35-153-4N
    $0.00
    Product Availability: Out of stock
    Picture of XPRF TEMP SWITCH 100-200F

    XPRF TEMP SWITCH 100-200F

    DWYER:DAH-35-153-5N
    SKU: DWYER:DAH-35-153-5N
    $0.00
    Product Availability: Out of stock
    Picture of XPRF TEMP SWITCH 250-415F

    XPRF TEMP SWITCH 250-415F

    DWYER:DAH-35-153-8N
    SKU: DWYER:DAH-35-153-8N
    $0.00
    Product Availability: Out of stock
    Picture of XPRF TEMP SWITCH 140-250F

    XPRF TEMP SWITCH 140-250F

    DWYER:DAH-435-4122-7N
    SKU: DWYER:DAH-435-4122-7N
    $0.00
    Product Availability: Out of stock
    Picture of 40-350# 9-64 SPDT 403SS SWITCH

    40-350# 9-64 SPDT 403SS SWITCH

    DWYER:DAF-21-153-9AS
    SKU: DWYER:DAF-21-153-9AS
    $0.00
    Product Availability: Out of stock
    Picture of SNAP SWITCH SPDT 5-75# FM APPR

    SNAP SWITCH SPDT 5-75# FM APPR

    DWYER:DAF-7081-153-23K
    SKU: DWYER:DAF-7081-153-23K
    $0.00
    Product Availability: Out of stock
    Picture of SPDT 1 304SS LIQ LEVEL SWITCH

    SPDT 1 304SS LIQ LEVEL SWITCH

    DWYER:L6EPS-S-S-3-C-AT
    SKU: DWYER:L6EPS-S-S-3-C-AT
    $0.00
    Product Availability: Out of stock
    Picture of FLEX TUBE MANOMETER 0-36

    FLEX TUBE MANOMETER 0-36

    DWYER:1230-36-W/M
    SKU: DWYER:1230-36-W/M
    $0.00
    Product Availability: Out of stock
    Picture of LWCO SPDT M/R 150#

    LWCO SPDT M/R 150#

    DWYER:123RU-153
    SKU: DWYER:123RU-153
    $0.00
    Product Availability: Out of stock
    Picture of M/R BOILER WATER LEVEL CONTROL

    M/R BOILER WATER LEVEL CONTROL

    DWYER:123RU-2
    SKU: DWYER:123RU-2
    $0.00
    Product Availability: Out of stock
    Picture of LIQUID LEVEL CONTROL

    LIQUID LEVEL CONTROL

    DWYER:123XLS-153
    SKU: DWYER:123XLS-153
    $0.00
    Product Availability: Out of stock
    Picture of SPDT WATER LEVEL CONTROL

    SPDT WATER LEVEL CONTROL

    DWYER:123XLW-153
    SKU: DWYER:123XLW-153
    $0.00
    Product Availability: Out of stock
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