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Apollo Valves (1)
Ashcroft (23)
Azel Technologies (2)
Bluefin (53)
Boshart (29)
Burnham (1)
Caleffi (4)
DiversiTech (10)
Dwyer (72)
Hilmor Tools (2)

Measures
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Celsius (114)
Fahrenheit (150)
Pressure (364)
Temperature (1)
Vacuum (1)

Mount
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Back (151)
Bottom (220)
Flush (2)
Magnetic (2)
Panel (2)
Rotatable Bottom (21)
Surface (2)
Tee (2)
Top (11)
Wall (1)

Dial Size
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1-1/2" (17)
2" (64)
2-1/2" (157)
3" (50)
3-1/8" (6)
3-1/4" (2)
3-1/2" (13)
4" (74)
4-1/2" (19)
6" (1)

Connection Size
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1/8" (3)
1/4" (48)
1/2" (69)
3/4" (50)
1" (1)

Max Pressure (PSI)
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5 (5)
10 (1)
15 (17)
30 (35)
50 (2)
55 (2)
60 (37)
75 (29)
100 (62)
150 (3)

Max Temp (F)
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60°F (1)
100°F (1)
110°F (2)
120°F (6)
130°F (2)
140°F (27)
150°F (2)
158°F (1)
160°F (1)
176°F (14)

Min Temp (F)
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-60°F (1)
-58°F (1)
-50°F (1)
-40°F (11)
-22°F (1)
-4°F (17)
0°F (25)
20°F (35)
30°F (37)
32°F (16)

Max Temp (C)
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40°C (2)
50°C (7)
60°C (3)
66°C (1)
70°C (6)
80°C (4)
90°C (4)
95°C (4)
115°C (17)
120°C (22)

Min Temp (C)
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-50°C (2)
-45°C (1)
-40°C (9)
-30°C (1)
-20°C (20)
-18°C (2)
-15°C (7)
-10°C (1)
-5°C (6)
0°C (34)

Review Score
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(102)
(36)
(16)
(7)
(7)

Price Range
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$1 to $5 (9)
$5 to $10 (38)
$10 to $15 (72)
$15 to $20 (29)
$20 to $25 (44)
$25 to $30 (49)
$30 to $35 (29)
$35 to $40 (24)
$40 to $45 (19)
$45 to $50 (18)

Boiler Temperature & Pressure Gauges

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Product Image of 5" 5AS Angle Thermometer with Thermowell, Lead Free (30°F to 300°F & 0°C to 150°C)
$90.20 each
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Product Image of 3.5" Lead Free Industrial 9IT Thermometer with Aluminum Case (30°F to 240°F)
$136.91 each
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Product Image of 2-1/2" Brass Liquid Filled Gauge, 1/4" Back NPT w/ Brass Internals (0-5000 PSI)
$32.74 each
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Product Image of LFDPG1 2" Pressure Gauge - Lead Free (0-200 psi)
$30.23 each
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Product Image of 4" Stainless Steel Dual Scale Liquid Filled Gauge, 1/4" Back (0-30 PSI)
$91.51 each
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Product Image of B856, 5" Dial, 4" Adjustable Angle Bimetal Thermometer with Recal (25-Degree (F) to 125-Degree (F) & -5-Degree (C) to 50-Degree (C))
B856, 5" Dial, 4" Adjustable Angle Bimetal Thermometer with Recal (25-Degree (F) to 125-Degree (F) & -5-Degree (C) to 50-Degree (C))
SKU: B8560403
Trerice
SKU: B8560403
Brand: Trerice
$137.59 each
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Product Image of TBP-M-21/2-32-248 Temperature Gauge Pipe Mount Spring Fixing Part (2-1/2" Dial)
$97.99 each
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Product Image of 3-1/2" TIM Industrial 9IT Thermometer w/ Aluminum Case (30°F to 180°F & 0°C to 80°C)
$82.69 each
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Product Image of 3-1/2" TIM Industrial 9IT Thermometer w/ Aluminum Case (0°F to 160°F & -15°C to 70°C)
$85.48 each
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Product Image of LFTB-4-2 32-248 1/2" Center Back Entry Bimetal Thermometer, 32 To 248 degree F, 2" Probe (4" Dial)
$57.06 each
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Product Image of 2-1/2" HVAC Remote Reading Thermometer w/ Front Flange
$128.44 each
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Product Image of 1/2" Temperature/Pressure Gauge (0-100 PSI), 8056028
$75.48 each
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Product Image of 2" TMT Dual Scale Surface Magnet Thermometer (0°F to 250°F & -20°C to 120°C)
$46.29 each
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Product Image of 700LFB, 4" Pressure Gauge with Lower Mount (0-200 PSI)
700LFB, 4" Pressure Gauge with Lower Mount (0-200 PSI)
SKU: 700LFB4002LA200
Trerice
SKU: 700LFB4002LA200
Brand: Trerice
$123.26 each
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Product Image of 700SS, 4" Pressure Gauge with Lower Mount (0-100 PSI)
700SS, 4" Pressure Gauge with Lower Mount (0-100 PSI)
SKU: 700SS4002LA100
Trerice
SKU: 700SS4002LA100
Brand: Trerice
$112.51 each
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Product Image of 4" Stainless Steel Dual Scale Liquid Filled Gauge, 1/4" Back (0-100 PSI)
$135.45 each
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Product Image of LPG3 Low Pressure Gage, Bottom Mount, 1.6% FS Accuracy (0 - 15" W.C.)
$150.37 each
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Product Image of Magnehelic Differential Pressure Gage (2.0" - 0" - 2.0" W.C.)
$119.18 each
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Product Image of 700LFSS, 4" Pressure Gauge with Lower Mount, 1/2 NPT (0-160 PSI)
700LFSS, 4" Pressure Gauge with Lower Mount, 1/2 NPT (0-160 PSI)
SKU: 700LFSS4004LA160
Trerice
SKU: 700LFSS4004LA160
Brand: Trerice
$129.00 each
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Product Image of Magnehelic Differential Pressure Gage (0 - 10.0" W.C.)
$115.87 each
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Product Image of 2-1/2" Stainless Steel Liquid Filled Gauge, 1/4" Bottom NPT w/ Brass Internals (0-160 PSI)
$30.48 each
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Product Image of 2" TBM Bi-Metal Pocket Thermometer w/ 2.5" Stem (50-Degree (F) to 300-Degree (F) & 10-Degree (C) to 150-Degree (C))
$52.72 each
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Product Image of 2" Dial Pressure Gauge w/ Center Back Mount (0-60 psi)
$3.94 each
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Product Image of B834, 3" Dial, Bottom Connection Bimetal Thermometer with Recal (0-Degree (F) to 200-Degree (F) & -20-Degree (C) to 95-Degree (C))
$173.43 each
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Product Image of 4" Stainless Steel Dual Scale Liquid Filled Gauge, 1/2" Bottom (0-160 PSI)
$208.36 each
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Product Image of LFTBR-3-2-32-248 1/2" Bottom-Entry Bimetal Thermometer (3" Dial)
$58.55 each
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Product Image of 2.5" 1009AW Duralife Stainless Steel Case Pressure Gauge (Liquid Filled)
$134.59 each
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Product Image of 3" TBM Bi-Metal Pocket Thermometer w/ 2.5" Stem (0-Degree (F) to 250-Degree (F) & -20-Degree (C) to 120-Degree (C))
$74.42 each
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Product Image of 1/2" M x F Test Plug with 3" Port Extensions
$171.24 each
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Product Image of Horizontal Refrigerator/Freezer Analog Thermometer
$18.96 each
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Product Image of Hose for 1/4" - NPT Gauge Adaptor
$10.99 each
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Product Image of 700SS, 4" Pressure Gauge with Lower Mount (0-10000 PSI)
700SS, 4" Pressure Gauge with Lower Mount (0-10000 PSI)
SKU: 700SS4004LA10000
Trerice
SKU: 700SS4004LA10000
Brand: Trerice
$156.23 each
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Product Image of Rehvac Low Pressure Replacement Gauge w/ Adapter (600 psi)
$39.44 each
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Product Image of 4" Stainless Steel Dual Scale Liquid Filled Gauge, 1/4" Back (0-160 PSI)
$97.78 each
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Product Image of LFDPG1 2-1/2" Bottom Entry Pressure Gauge Lead Free (0-15 psi)
$28.11 each
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Product Image of 2000 Series Differential Pressure Gauge (0 - 4" W.C.)
$92.95 each
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Product Image of Magnehelic Differential Pressure Indicating Transmitter, Max 10 PSI (0 - 1.0" W.C.)
$637.89 each
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Product Image of 2" PEM Dual Scale Economy Pressure Gauge (0-300 PSI)
$10.54 each
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Product Image of 2.5" 1009AW Duralife Stainless Steel Case Pressure Gauge
2.5" 1009AW Duralife Stainless Steel Case Pressure Gauge
SKU: 251009AW02L-0/30
Ashcroft
SKU: 251009AW02L-0/30
Brand: Ashcroft
$162.15 each
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Product Image of Magnehelic Differential Pressure Gage (.05" - 0" - .20" W.C.)
$121.74 each
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Product Image of 3-1/2" TIM Industrial 9IT Thermometer w/ Aluminum Case (30°F to 240°F & 0°C to 115°C)
$192.76 each
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Product Image of 3/4" TIW Brass Industrial 9IT 6-3/4" Thermowell w/ 2-1/2" Insertion Length
$98.23 each
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Product Image of Magnehelic Differential Pressure Gage (0 - 25.0" W.C.)
$120.48 each
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Product Image of 1/2" TIW Brass Industrial 9IT Thermowell w/ 1-3/4" Insertion Length
$49.35 each
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Product Image of 4.5" PCT Contractor Pressure Gauge (30" Hg Vac/kPa)
$30.52 each
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Product Image of 3-1/2" TIM Industrial 9IT Thermometer w/ 6" Aluminum Case (30°F to 180°F & 0°C to 80°C)
$223.64 each
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Product Image of Thermowell (4", 1/4" NPT Internal, 1/2" NPT External, 304 SS)
Thermowell (4", 1/4" NPT Internal, 1/2" NPT External, 304 SS)
SKU: TE-TNS-N044N-14
Dwyer
SKU: TE-TNS-N044N-14
Brand: Dwyer
$26.54 each
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Product Image of 2.5"  1490 Low Pressure Diaphragm Gauge
2.5" 1490 Low Pressure Diaphragm Gauge
SKU: 251490A02L-0/15WC
Ashcroft
SKU: 251490A02L-0/15WC
Brand: Ashcroft
$86.60 each
In Stock
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Resources
FAQs, Manuals & Videos
Articles
More About Temperature & Pressure Gauges
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.