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Temperature & Pressure Gauges

Temperature & Pressure Gauges

  • 1/2" Sweat Connection Thermometer w/ 2"<br>Dial Size Product Image
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    1/2" Sweat Connection Thermometer w/ 2" Dial Size TH2-250-50C 1/2" Sweat Connection Thermometer w/ 2" Dial Size
    SKU: TH2-250-50C Bluefin
    SKU: TH2-250-50C
    Brand: Bluefin
    (1)
    $6.49 each
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    $21.56 box of 4
    $5.39 each
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    27
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    27 Tue, Nov 2
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  • 1/4" NPT, 2.5" Face, Temp & Press. Gauge (Tridicator) Product Image
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    1/4" NPT, 2.5" Face, Temp & Press. Gauge (Tridicator) TD25B-BK 1/4" NPT, 2.5" Face, Temp & Press. Gauge (Tridicator)
    SKU: TD25B-BK Bluefin
    SKU: TD25B-BK
    Brand: Bluefin
    (7)
    $12.99 each
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    $53.95 box of 5
    $10.79 each
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    689
    Tue, Nov 2
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    689 Tue, Nov 2
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  • 2" PEM Dual Scale Economy Pressure Gauge (0-60 PSI) Product Image
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    2" PEM Dual Scale Economy Pressure Gauge (0-60 PSI) GEP2-60-DS 2" PEM Dual Scale Economy Pressure Gauge (0-60 PSI)
    SKU: GEP2-60-DS Bluefin
    SKU: GEP2-60-DS
    Brand: Bluefin
    $3.67 each
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    571
    Tue, Nov 2
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    571 Tue, Nov 2
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  • 2-1/2" TSW Dial Type Therm w/ 3/4" Sweatwell 30°F -250°F & 0°C -120°C Product Image
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    2-1/2" TSW Dial Type Therm w/ 3/4" Sweatwell 30°F -250°F & 0°C -120°C TH25-250-75C 2-1/2" TSW Dial Type Therm w/ 3/4" Sweatwell 30°F -250°F & 0°C -120°C
    SKU: TH25-250-75C Bluefin
    SKU: TH25-250-75C
    Brand: Bluefin
    (2)
    $9.09 each
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    317
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    317 Tue, Nov 2
    Questions? Call 1-888-757-4774
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  • 1/2" NPT, 2.5" Face, Snap Well Thermometer <br>(Stainless Steel) Product Image
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    1/2" NPT, 2.5" Face, Snap Well Thermometer (Stainless Steel) TH25-250-50SST 1/2" NPT, 2.5" Face, Snap Well Thermometer (Stainless Steel)
    SKU: TH25-250-50SST Bluefin
    SKU: TH25-250-50SST
    Brand: Bluefin
    $7.19 each
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    $29.95 box of 5
    $5.99 each
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    186
    Tue, Nov 2
    186
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    186 Tue, Nov 2
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  • 3" TTD Bottom Mount Dual Scale Tridicator (0-75 PSI and 70°F-320°F) Product Image
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    3" TTD Bottom Mount Dual Scale Tridicator (0-75 PSI and 70°F-320°F) TDA3-BM 3" TTD Bottom Mount Dual Scale Tridicator (0-75 PSI and 70°F-320°F)
    SKU: TDA3-BM Bluefin
    SKU: TDA3-BM
    Brand: Bluefin
    (1)
    $20.99 each
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    29
    Tue, Nov 2
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    29 Tue, Nov 2
    Questions? Call 1-888-757-4774
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  • 1/4" NPT, 2" Dial, Lower Mount No Lead Pressure Gauge (0-100 PSI) Product Image
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    1/4" NPT, 2" Dial, Lower Mount No Lead Pressure Gauge (0-100 PSI) PG-100NL 1/4" NPT, 2" Dial, Lower Mount No Lead Pressure Gauge (0-100 PSI)
    SKU: PG-100NL Boshart
    SKU: PG-100NL
    Brand: Boshart
    (4)
    $3.75 each
      Box Up & Save 13%  
    $32.50 box of 10
    $3.25 each
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    438
    Tue, Nov 2
    438
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    438 Tue, Nov 2
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  • Gas Test Manifold Coupling w/ Pressure Gauge & Snifter Valve (0-30 PSI) Product Image
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    Gas Test Manifold Coupling w/ Pressure Gauge & Snifter Valve (0-30 PSI) PG-GTMC-30 Gas Test Manifold Coupling w/ Pressure Gauge & Snifter Valve (0-30 PSI)
    SKU: PG-GTMC-30 Boshart
    SKU: PG-GTMC-30
    Brand: Boshart
    (3)
    $6.89 each
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    200
    Tue, Nov 2
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    200 Tue, Nov 2
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  • 2-1/2" SS Liquid Filled Gauge, 1/4" NPT w/ Brass Internals (0-100 PSI) Product Image
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    2-1/2" SS Liquid Filled Gauge, 1/4" NPT w/ Brass Internals (0-100 PSI) PFQ804 2-1/2" SS Liquid Filled Gauge, 1/4" NPT w/ Brass Internals (0-100 PSI)
    SKU: PFQ804 Winters Instruments
    SKU: PFQ804
    Brand: Winters Instruments
    $23.04 each
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    274
    Tue, Nov 2
    374
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    274 Tue, Nov 2
    100 Wed, Nov 3 – Thu, Nov 4
    Questions? Call 1-888-757-4774
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  • 2" PET Economy Gas Test Pressure Gauge (0-15 PSI) Product Image
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    2" PET Economy Gas Test Pressure Gauge (0-15 PSI) PETG201 2" PET Economy Gas Test Pressure Gauge (0-15 PSI)
    SKU: PETG201 Winters Instruments
    SKU: PETG201
    Brand: Winters Instruments
    (5)
    $12.04 each
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    209
    Tue, Nov 2
    309
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    209 Tue, Nov 2
    100 Wed, Nov 3 – Thu, Nov 4
    Questions? Call 1-888-757-4774
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  • 2-1/2" SS Liquid Filled Gauge, 1/4" NPT w/ Brass Internals (0-160 PSI) Product Image
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    2-1/2" SS Liquid Filled Gauge, 1/4" NPT w/ Brass Internals (0-160 PSI) PFQ805 2-1/2" SS Liquid Filled Gauge, 1/4" NPT w/ Brass Internals (0-160 PSI)
    SKU: PFQ805 Winters Instruments
    SKU: PFQ805
    Brand: Winters Instruments
    (1)
    $19.62 each
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    142
    Tue, Nov 2
    167
    QtyArrives
    142 Tue, Nov 2
    25 Wed, Nov 3 – Thu, Nov 4
    Questions? Call 1-888-757-4774
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  • 1/2" NPT Connection Thermometer<br>w/ 2-1/2" Dial Size Product Image
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    1/2" NPT Connection Thermometer w/ 2-1/2" Dial Size GT162 1/2" NPT Connection Thermometer w/ 2-1/2" Dial Size
    SKU: GT162 Resideo
    SKU: GT162
    Brand: Resideo
    (23)
    $13.19 each
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    396
    Tue, Nov 2
    396
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    396 Tue, Nov 2
    Questions? Call 1-888-757-4774
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  • 2" PET Economy Gas Test Pressure Gauge (0-100 PSI) Product Image
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    2" PET Economy Gas Test Pressure Gauge (0-100 PSI) PETG204 2" PET Economy Gas Test Pressure Gauge (0-100 PSI)
    SKU: PETG204 Winters Instruments
    SKU: PETG204
    Brand: Winters Instruments
    (4)
    $12.04 each
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    513
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    613
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    513 Tue, Nov 2
    100 Wed, Nov 3 – Thu, Nov 4
    Questions? Call 1-888-757-4774
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  • 2.5" Tridicator w/ Ext. Back Temp. and Pressure (0-75 PSI and 70°F-320°F) Product Image
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    2.5" Tridicator w/ Ext. Back Temp. and Pressure (0-75 PSI and 70°F-320°F) TTD401 2.5" Tridicator w/ Ext. Back Temp. and Pressure (0-75 PSI and 70°F-320°F)
    Contains Lead
    SKU: TTD401 Winters Instruments
    SKU: TTD401
    Brand: Winters Instruments
    (3)
    $22.52 each
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    133
    Tue, Nov 2
    233
    QtyArrives
    133 Tue, Nov 2
    100 Wed, Nov 3 – Thu, Nov 4
    Questions? Call 1-888-757-4774
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  • 2-1/2" SS Liquid Filled Gauge, 1/4" NPT w/ Brass Internals (0-60 PSI) Product Image
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    2-1/2" SS Liquid Filled Gauge, 1/4" NPT w/ Brass Internals (0-60 PSI) PFQ803 2-1/2" SS Liquid Filled Gauge, 1/4" NPT w/ Brass Internals (0-60 PSI)
    SKU: PFQ803 Winters Instruments
    SKU: PFQ803
    Brand: Winters Instruments
    (2)
    $19.80 each
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    192
    Tue, Nov 2
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    192 Tue, Nov 2
    Questions? Call 1-888-757-4774
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  • 1/4" NPT, 3-1/8" Face Long Probe Temp & Tridicator Product Image
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    1/4" NPT, 3-1/8" Face Long Probe Temp & Tridicator TD-165 1/4" NPT, 3-1/8" Face Long Probe Temp & Tridicator
    SKU: TD-165 Resideo
    SKU: TD-165
    Brand: Resideo
    (12)
    $20.39 each
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    342
    Tue, Nov 2
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    342 Tue, Nov 2
    Questions? Call 1-888-757-4774
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  • 3-1/2" Industrial Therm. w/ Valox Case (30°F to 240°F & 0°C to 115°C) Product Image
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    3-1/2" Industrial Therm. w/ Valox Case (30°F to 240°F & 0°C to 115°C) TIM100 3-1/2" Industrial Therm. w/ Valox Case (30°F to 240°F & 0°C to 115°C)
    SKU: TIM100 Winters Instruments
    SKU: TIM100
    Brand: Winters Instruments
    $39.99 each
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    322
    Tue, Nov 2
    372
    QtyArrives
    322 Tue, Nov 2
    50 Wed, Nov 3 – Thu, Nov 4
    Questions? Call 1-888-757-4774
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  • 2" PET Economy Gas Test Pressure Gauge (0-30 PSI) Product Image
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    2" PET Economy Gas Test Pressure Gauge (0-30 PSI) PETG202 2" PET Economy Gas Test Pressure Gauge (0-30 PSI)
    SKU: PETG202 Winters Instruments
    SKU: PETG202
    Brand: Winters Instruments
    (3)
    $12.04 each
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    471
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    571
    QtyArrives
    471 Tue, Nov 2
    100 Wed, Nov 3 – Thu, Nov 4
    Questions? Call 1-888-757-4774
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  • 1/2" NPT, 3" Face, Temperature & Pressure Gauge - Short (Tridicator) Product Image
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    1/2" NPT, 3" Face, Temperature & Pressure Gauge - Short (Tridicator) TR30-CB2S-60/250 1/2" NPT, 3" Face, Temperature & Pressure Gauge - Short (Tridicator)
    SKU: TR30-CB2S-60/250 Boshart
    SKU: TR30-CB2S-60/250
    Brand: Boshart
    (2)
    $13.59 each
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    155 Tue, Nov 2
    Questions? Call 1-888-757-4774
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  • 2-1/2" Liquid Filled Pressure Gauge w/ Lower & Center Back Mount (0-100 psi) Product Image
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    2-1/2" Liquid Filled Pressure Gauge w/ Lower & Center Back Mount (0-100 psi) PG25-100-GNL 2-1/2" Liquid Filled Pressure Gauge w/ Lower & Center Back Mount (0-100 psi)
    SKU: PG25-100-GNL Boshart
    SKU: PG25-100-GNL
    Brand: Boshart
    (6)
    $9.49 each
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    132 Tue, Nov 2
    Questions? Call 1-888-757-4774
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  • LFDPG1 2-1/2" Pressure Gauge - Lead Free<br>(0-100 psi) Product Image
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    LFDPG1 2-1/2" Pressure Gauge - Lead Free (0-100 psi) 0121640 LFDPG1 2-1/2" Pressure Gauge - Lead Free (0-100 psi)
    SKU: 0121640 Watts
    SKU: 0121640
    Brand: Watts
    (7)
    $11.99 each
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    175 Tue, Nov 2
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  • 2" PEM Dual Scale Economy Pressure Gauge (0-30 PSI) Product Image
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    2" PEM Dual Scale Economy Pressure Gauge (0-30 PSI) PEM199 2" PEM Dual Scale Economy Pressure Gauge (0-30 PSI)
    SKU: PEM199 Winters Instruments
    SKU: PEM199
    Brand: Winters Instruments
    $7.58 each
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    201
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    201 Tue, Nov 2
    100 Wed, Nov 3 – Thu, Nov 4
    Questions? Call 1-888-757-4774
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  • 3" TTD Back Mount Dual Scale Tridicator (0-75 PSI and 70°F-320°F) Product Image
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    3" TTD Back Mount Dual Scale Tridicator (0-75 PSI and 70°F-320°F) TTD402 3" TTD Back Mount Dual Scale Tridicator (0-75 PSI and 70°F-320°F)
    SKU: TTD402 Winters Instruments
    SKU: TTD402
    Brand: Winters Instruments
    (3)
    $28.40 each
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    125
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    125 Tue, Nov 2
    100 Wed, Nov 3 – Thu, Nov 4
    Questions? Call 1-888-757-4774
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  • 2-1/2" SS Liquid Filled Gauge, 1/4" NPT w/ Brass Internals (0-300 PSI) Product Image
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    2-1/2" SS Liquid Filled Gauge, 1/4" NPT w/ Brass Internals (0-300 PSI) PFQ807 2-1/2" SS Liquid Filled Gauge, 1/4" NPT w/ Brass Internals (0-300 PSI)
    SKU: PFQ807 Winters Instruments
    SKU: PFQ807
    Brand: Winters Instruments
    $19.93 each
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    103
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    203
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    103 Tue, Nov 2
    100 Wed, Nov 3 – Thu, Nov 4
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FAQs, Manuals & Videos

Resources

Articles

  • Temperature and pressure gauges are used to measure the temperature and pressure of a gas or liquid in a system. Stainless steel is the most common material used for these gauges, followed by brass. Gauges are available in either dry or liquid filled models. A liquid filled gauge has a long lifespan because it has fewer moving parts and the thick oil which fills it leaves no room for humid ambient air to enter. Water cannot condense and accumulate in a liquid filled gauge, as it can in a dry gauge.

    Some gauges contain illuminated dials and digital readouts for better visibility. A gauge with temperature compensation has the ability to correct any ambient temperature variation. Differential gauges allow for differential pressures, and duplex gauges indicate dual pressures on a single dial. Tridicators are common pressure gauges that measure temperature, pressure, and altitude. Snap Well thermometers measure the ambient temperature of a desired location.
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