10 PSI Gauges | McMaster-Carr

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1,000 psi to 1,999.9 psi

2,000 psi to 9,999.9 psi

10,000 psi to 19,999.9 psi

20,000 psi or greater

Less than 10,000 kPa

10,000 kPa to 19,999 kPa

20,000 kPa to 29,999 kPa

30,000 kPa to 99,999 kPa

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38 Products

About Pressure Gauges

Find a gauge with the right connection material and dial type—many with traceable calibration certificates.

High-Accuracy Low-Pressure Gauges

Measure small pressure changes in ventilation systems, hydraulic applications, and other critical processes with these high-accuracy gauges. Mount them with the dial face upright.

Painted Steel Case with Brass Connection—Single Scale (Pounds per Square Inch)


Bottom Connection	Center-Back Connection	Bottom Connection	Center-Back Connection

				Temp. Range, ° F					Bottom Connection		Center-Back Connection
	Dial Dia.	Pipe Size	Case Color	Environment	Process	For Use With	Accuracy	Pressure Range		Each		Each
Upright Mount







				NPT Male

				2 1/2"	1/4	Black	0 to 140	0 to 140	Air Carbon Dioxide Hydraulic Fluid Natural Gas Water	±1.5% Full Scale (Not Rated)	0 to 10 psi	4026K16	000000	4026K37	000000




						NPT Male with Calibration Certificate Traceable to NIST

						2 1/2"	1/4	Black	0 to 140	0 to 140	Air Carbon Dioxide Hydraulic Fluid Natural Gas Water	±1.5% Full Scale (Not Rated)	0 to 10 psi	4026K24	000000	4026K46	000000

304 Stainless Steel Case with Brass Connection—Single Scale (Pounds per Square Inch)


Bottom Connection	Bottom Connection

Gauges with 304 stainless steel case or polyester plastic case have better corrosion resistance than gauges with painted steel case.

			Temp. Range, ° F					Bottom Connection
	Dial Dia.	Pipe Size	Environment	Process	For Use With	Accuracy	Pressure Range		Each
Upright Mount







				NPT Male

				4"	1/4	0 to 140	0 to 140	Air Carbon Dioxide Hydraulic Fluid Natural Gas Water	±1% Full Scale (Grade 1A)	0 to 10 psi	4269K1	0000000

Polyester Plastic Case with Brass Connection—Dual Scale (Pounds per Square Inch, Inches of Mercury)


Bottom Connection (Flange Mount)	Bottom Connection (Flange Mount)

Gauges with 304 stainless steel case or polyester plastic case have better corrosion resistance than gauges with painted steel case.

Safety Case—Gauges with safety case blow out in the back under excess pressure, protecting the operator in front.

										Bottom Connection (Flange Mount)
				Temp. Range, ° F						Mounting
	Dial Dia.	Pipe Size	Case Color	Environment	Process	Features	For Use With	Accuracy	Pressure Range	Fasteners Included	Hole Dia.	No. of Holes		Each
Upright Mount







				NPT Male

				4 1/2"	1/4	Black	0 to 140	-40 to 210	Safety Case	Air Argon Natural Gas Nitrogen	±1% Midscale (Grade A)	0 to 10 psi/0 to 20 in. Hg	No	1/4"	3	4221K3	0000000

Low-Pressure Differential Gauges with Inclined Scale

Easier to read than U-tube gauges, these use an inclined scale to measure pressure or velocity in air applications. Gauges are also known as manometers.

Polycarbonate Connections (Inches of Water)

Image of Product. Front orientation. Differential Pressure Gauges. Low-Pressure Differential Gauges with Inclined Scale.

					Indicating Liquid
	Pressure, in. H₂O	Max. Pressure, psi	Max. Process Temp., ° F	Ht.	Color	Specific Gravity	Mount Type	Mounting Fasteners Included	Includes	For Use With	Accuracy		Each
Male Barbed Tubes for 1/8" Tube IDs



		0 to 3	10	140	6"	Red	0.826	Screw On	Yes	8-ft. Lg. Tubing, Indicating Liquid	Air	±3%	3974K1	000000


		0 to 7	10	140	6"	Blue	1.91	Screw On	Yes	8-ft. Lg. Tubing, Indicating Liquid	Air	±3%	3974K2	000000

Ultra-High-Accuracy Digital Pressure Test Gauges

With an accuracy of ±0.05%, these have the highest accuracy of all our test gauges. Use them for testing, calibrating, laboratory applications, and other critical processes that require precision. They have a five-digit LCD display that allows for easy reading of measurements.

304 Stainless Steel Case with 316 Stainless Steel Connection—Battery Powered

												Bottom Connection
	Pressure	Pressure Resolution, psi	Accuracy	Environment Temp. Range, ° F	Process Temp. Range, ° F	Enclosure Rating	Hazardous Location Rating	Features	Digit Ht.	For Use With	Batteries Included		Each
NPT Male—Calibration Certificate Traceable to NIST







				3" Diameter Dial—1/4 Pipe Size

				0 psi to 10 psi 0 in. H₂O to 270 in. H₂O 0 kPa to 65 kPa 0 MPa to 0.06 MPa 0 bar to 0.6 bar 0 kg/cm² to 0.7 kg/cm²	0.001	±0.05% Full Scale (Grade 5A)	-40 to 180	0 to 150	IP65	NEC Class I Divisions 1, 2 Groups A, B, C, D; NEC Class II Divisions 1, 2 Groups E, F, G; NEC Class III Divisions 1, 2	Configurable Automatic Shut-Off (2 min., 5 min., 15 min., 30 min., or Never)	1 1/8"	Air, Diesel Fuel, Gasoline, Hydraulic Fluid, Natural Gas, Water	Yes	3584K11	000000000

Differential Pressure and Vacuum Gauges with Digital Display

Gauges have a four-digit LCD display for easy reading of measurements. Commonly used to indicate clogged filters, these gauges display the difference between two pressure or vacuum measurements. They are also known as compound gauges.

Aluminum Case with Brass Connection—(psi, kPa, in. of H₂O, in. of Hg, mbar)

Image of Product. Front orientation. Differential Pressure and Vacuum Gauges. Differential Pressure and Vacuum Gauges with Digital Display .

	Vacuum Range, in. Hg	Pressure Resolution, in. H₂O	Max. Pressure	For Tube ID	Environment Temp. Range, ° F	Process Temp. Range, ° F	Digit Ht.	Batteries Included	Features	For Use With	Accuracy		Each
Barbed Fitting Connection



	0 psi to 0.723 psi 0 psi to 10 psi 0 kPa to 4.982 kPa 0 in. H₂O to 20 in. H₂O 0 mbar to 49.82 mbar	0 to 1.471	0.01	0.723 psi, 10 psi, 4.982 kPa, 20 in. H₂O, 49.82 mbar	1/8" to 3/16"	35 to 100	0 to 140	3/8"	Yes	40-Reading Memory, Overpressure Alarm	Air	±0.5% Full-Scale Accuracy (Not Rated)	4125K41	0000000


	Barbed Fitting Connection with Calibration Certificate Traceable to NIST



			0 psi to 0.723 psi 0 psi to 10 psi 0 kPa to 4.982 kPa 0 in. H₂O to 20 in. H₂O 0 mbar to 49.82 mbar	0 to 1.471	0.01	0.723 psi, 10 psi, 4.982 kPa, 20 in. H₂O, 49.82 mbar	1/8" to 3/16"	35 to 100	0 to 140	3/8"	Yes	40-Reading Memory, Overpressure Alarm	Air	±0.5% Full-Scale Accuracy (Not Rated)	4125K61	000000

High-Pressure Differential Gauges

These gauges are able to withstand line pressures up to 3,000 pounds per square inch. They are commonly used to measure pressure differences in pumps and filters.

Aluminum Case with Aluminum Connections—Single Scale (Pounds per Square Inch)

Image of Product. Front orientation. Differential Pressure Gauges. High-Pressure Differential Gauges.

	Max. Pressure, psi	Environment Temp. Range, ° F	Process Temp. Range, ° F	For Use With	Accuracy	Pressure, psi	Graduations, psi	Pressure Numeric Increments, psi		Each
1/4 NPT Female Threaded Pipe Connection



	2 1/2"	3,000	0 to 150	0 to 200	Water, Hydraulic Fluid, Gasoline	±2%	0 to 10	0.5	2	4107K111	0000000


	4 1/2"	3,000	0 to 150	0 to 200	Water, Hydraulic Fluid, Gasoline	±2%	0 to 10	0.5	2	4107K511	000000

316 Stainless Steel Case with 316 Stainless Steel Connections—Single Scale (Pounds per Square Inch)

Gauges with 316 stainless steel case are more corrosion resistant than gauges with an aluminum case.

	Max. Pressure, psi	Environment Temp. Range, ° F	Process Temp. Range, ° F	For Use With	Accuracy	Pressure, psi	Graduations, psi	Pressure Numeric Increments, psi		Each
1/4 NPT Female Threaded Pipe Connection



	2 1/2"	3,000	0 to 150	0 to 200	Water, Hydraulic Fluid, Gasoline	±2%	0 to 10	0.5	2	4232K111	0000000


	4 1/2"	3,000	0 to 150	0 to 200	Water, Hydraulic Fluid, Gasoline	±2%	0 to 10	0.5	2	4232K511	000000

Differential Pressure Transmitters with Dial Indicator for Air

Check the difference in air pressure between two inputs at the source using the dial indicator or remotely using a receiver. The dial indicator on these transmitters operates independently and shows differential pressure in real time for troubleshooting. Also known as transducers, these transmitters convert pressure to an electrical signal that is interpreted by receiving devices, such as remote displays, programmable logic controllers, and motor speed controls. They are often used to indicate a filter is clogged or help you maintain a certain air pressure in ovens, dryers, and HVAC systems. All are CE marked, so they meet European safety standards.

When measuring pressure in ductwork, pair them with a static pressure probe.

For your receiving device to interpret the signal from the transmitter, you will need to calibrate it for the transmitter's differential pressure range and output signal. As differential pressure increases, the output signal from the transmitter will increase. Transmitters will only provide accurate readings within the rated pressure range. Connect them using two wires. The same wire is used to send a signal to the receiver and to power the transmitter. Current doesn’t lose signal over long distances and isn’t affected by electrical interference from other devices.

Aluminum Housing About Aluminum Housing

Image of Product. Front orientation. Differential Pressure Transmitters. Differential Pressure Transmitters with Dial Indicator for Air.

												Connection
	Pressure Differential, in. H₂O	Max. Input Pressure, psi	Input Voltage, V DC	Pipe Size	For No. of Wires	Mounting Hardware Included	No. of Mounting Holes	Dia.	Certification	For Use With	Accuracy	Pipe	Fitting	Material	Temp. Range, ° F		Each
4 to 20 mA Output Signal—Screw Terminals



		0 to 0.5	10	10 to 35	1/8	2	No	3	5 1/2"	CE Marked	Air	±2%	NPT Female	Threaded	Aluminum	20 to 120	38525K111	0000000


		0 to 1	10	10 to 35	1/8	2	No	3	5 1/2"	CE Marked	Air	±2%	NPT Female	Threaded	Aluminum	20 to 120	38525K112	000000
		0 to 6	10	10 to 35	1/8	2	No	3	5 1/2"	CE Marked	Air	±2%	NPT Female	Threaded	Aluminum	20 to 120	38525K217	000000

Low-Pressure Differential Gauges with Digital Display

Measure small changes in air pressure with these hand-held gauges. They have a four-digit LCD display for easy reading of measurements. Gauges are commonly used to indicate clogged filters and to monitor fans and blowers.

Aluminum Case with Nickel-Plated Brass Connections (Kilopascals, Inches of Water)

Image of Product. Front orientation. Differential Pressure Gauges. Low-Pressure Differential Gauges with Digital Display.

	Gauges															Nylon Carrying Cases
	Pressure Range
	Pressure 1, kPa	Pressure 2, in. H₂O	Pressure Resolution, in. H₂O	Max. Pressure, psi	Environment Temp. Range, ° F	Process Temp. Range, ° F	Digit Ht.	Ht.	Wd.	Batteries Included	For Use With	Accuracy	Hazardous Location Rating		Each		Each
Male Barbed Tubes for 1/8" to 3/16" Tube IDs



		0 to 4.982	0 to 20	0.01	10	35 to 100	0 to 140	3/8"	6 1/2"	2 13/16"	Yes	Air, Natural Gas	±0.5%	NEC Class I Division 2 Groups A, B, C, D	4125K21	0000000	4125K11	000000


		Male Barbed Tubes for 1/8" to 3/16" Tube IDs with Calibration Certificate Traceable to NIST



				0 to 4.982	0 to 20	0.01	10	35 to 100	0 to 140	3/8"	6 1/2"	2 13/16"	Yes	Air, Natural Gas	±0.5%	NEC Class I Division 2 Groups A, B, C, D	4125K51	000000	4125K11	00000

Differential Pressure Transmitters with Digital Display for Air

With a digital display and selectable differential pressure ranges, these transmitters are a versatile alternative to transmitters with dial indicators. Unlike a standard transmitter that has one wider differential pressure range, these transmitters have multiple ranges to choose from. The selectable pressure range means they are more accurate than standard transmitters since their accuracy applies to each small range rather than a single wide range. They can also be configured to output either current or voltage, while standard transmitters typically output one signal type. The digital display allows you to troubleshoot and monitor differential pressure at the source. Also known as transducers, they measure the difference in pressure between two inputs and convert it to an electrical signal that can be interpreted by receiving devices, such as remote displays, programmable logic controllers, and motor speed controls. They are often used to indicate a filter is clogged or help you maintain a certain air pressure in ovens, dryers, and HVAC systems. All are rated UL 94 V-0, so they meet flammability standards. CE marked, they also meet European safety standards.

When measuring pressure in ductwork, pair them with a static pressure probe. Transmitters with an 8" pressure probe cable include a static pressure probe.

Connect them using two wires when using the current output. The same wire is used to send a signal to the receiver and to power the transmitter. Current doesn’t lose signal over long distances and isn’t affected by electrical interference from other devices. For voltage output, connect them using three wires—two wires into the power supply and a separate wire to send a signal to the receiver. The receiver and the transmitter share a common ground wire back to the power supply.

Polycarbonate Housing About Polycarbonate Housing

Image of Product. Front orientation. Contains Annotated. Differential Pressure Transmitters. Differential Pressure Transmitters with Digital Display for Air, Polycarbonate Housing.

DIN-Rail/Surface Mount—DIN-rail/surface mount transmitters give you mounting flexibility. They include the bracket you'll need for mounting it to DIN rail.

Calibration Certificate Traceable to NIST—Transmitters with a calibration certificate traceable to NIST have passed tests for accuracy.

IP67 Enclosure Rating—Transmitters that meet IP67 protect against dust and submersion.

								Mounting Holes									Connection			Calibration Certificate Traceable to NIST
	Pressure Differential Range	Max. Input Pressure, psi	Input Voltage, V DC	For Tube ID	For DIN Rail Ht., mm	For No. of Wires	Mounting Hardware Included	Dia.	No. of	Ht.	Wd.	Certification	Pressure Probe Cable Lg.	Enclosure Rating	For Use With	Accuracy	Fitting	Material	Temp. Range, ° F		Each
4 to 20 mA, 0 to 5V DC, 0 to 10V DC Output Signal—Screw Terminals







				Surface Mount

				-5 to 5 in. H₂O -2.5 to 2.5 in. H₂O -1 to 1 in. H₂O -0.5 to 0.5 in. H₂O 0 to 0.5 in. H₂O 0 to 1 in. H₂O 0 to 2.5 in. H₂O 0 to 5 in. H₂O	10	13 to 30	3/16"	—	2, 3	No	3/16"	2	5 7/16"	3 3/16"	CE Marked	—	IP67	Air	±1%	Barbed	Brass	32 to 122	3264N21	0000000




						DIN-Rail/Surface Mount

						-5 to 5 in. H₂O -2.5 to 2.5 in. H₂O -1 to 1 in. H₂O -0.5 to 0.5 in. H₂O 0 to 0.5 in. H₂O 0 to 1 in. H₂O 0 to 2.5 in. H₂O 0 to 5 in. H₂O	10	13 to 30	3/16"	35	2, 3	No	3/16"	2	5 7/16"	3 3/16"	CE Marked	8"	IP67	Air	±1%	Barbed	Brass	32 to 122	3264N22	000000

Medium-Pressure Differential Gauges

Popular for use with natural gas, these gauges measure pressure differences in pipelines and filters with a maximum pressure of 1,500 pounds per square inch.

Aluminum Case with Aluminum Connections—Single Scale (Pounds per Square Inch)

Image of Product. Front orientation. Differential Pressure Gauges. Medium-Pressure Differential Gauges.

	Max. Pressure, psi	Environment Temp. Range, ° F	Process Temp. Range, ° F	For Use With	Accuracy	Pressure, psi	Graduations, psi	Pressure Numeric Increments, psi		Each
1/4 NPT Female Threaded Pipe Connection



	2 1/2"	1,500	0 to 150	0 to 200	Water, Hydraulic Fluid, Gasoline, Natural Gas	±2%	0 to 10	0.5	2	4028K116	0000000


	4 1/2"	1,500	0 to 150	0 to 200	Water, Hydraulic Fluid, Gasoline, Natural Gas	±2%	0 to 10	0.5	2	4028K316	000000

316 Stainless Steel Case with 316 Stainless Steel Connections—Single Scale (Pounds per Square Inch)

Gauges with 316 stainless steel case are more corrosion resistant than gauges with an aluminum case.

	Max. Pressure, psi	Environment Temp. Range, ° F	Process Temp. Range, ° F	For Use With	Accuracy	Pressure, psi	Graduations, psi	Pressure Numeric Increments, psi		Each
1/4 NPT Female Threaded Pipe Connection



	2 1/2"	1,500	0 to 150	0 to 200	Water, Hydraulic Fluid, Gasoline, Natural Gas	±2%	0 to 10	0.5	2	4028K416	0000000


	4 1/2"	1,500	0 to 150	0 to 200	Water, Hydraulic Fluid, Gasoline, Natural Gas	±2%	0 to 10	0.5	2	4028K616	000000

Submersible Liquid-Level Transmitters


For Liquids	For Liquids with Solids

Best for measuring liquid levels in applications where traditional mounting is difficult, these transmitters sit at the bottom of your tank. They sense liquid levels by measuring the pressure from the weight of the liquid above them. These transmitters continuously send measurements, so you can monitor the status and manage components in your system. Also known as level loggers, level sensors, and pressure transducers.

For Liquids with Solids—Transmitters for liquids with solids have sink weights that keep the transmitter in place in applications with moving solids or agitated liquids.

				Overall
	For Pressure	Accuracy	Max. Pressure @ Temp.	Dia.	Lg.	Temp. Range, ° F	Cable Lg., ft.	Input Voltage, V DC	For Container Type	Electrical Connection	Enclosure Rating		Each
4 mA to 20 mA Output Current







				For Liquids

				0 to 10 psi / 0 to 23 ft. H₂O	±0.5%	15 psi @ 70° F	1"	5 5/8"	32 to 140	40	12 to 36	Closed Tank, Open Tank	Wire Leads	IP68	3962N12	0000000




						For Liquids with Solids

						0 to 10 psi / 0 to 23 ft. H₂O	±0.5%	15 psi @ 70° F	3 1/4"	5 1/4"	32 to 140	40	12 to 36	Closed Tank, Open Tank	Wire Leads	IP68	3962N16	000000

Compact Compressed Air Regulators

A lower profile than our other compressed air regulators makes these regulators a better fit in tight spots. Use them to adjust and maintain the pressure of your compressed air. Install them in your air line after filters.

Relieving with Gauge Included

Relieving regulators exhaust when the downstream pressure exceeds the set pressure.

Mounting Brackets—Mounting brackets (sold separately) allow you to attach the regulator to a wall or equipment.

	Regulators												Mounting Brackets
	Pipe Size					Overall
	Inlet	Outlet	Max. Flow Rate @ Pressure	Max. Pressure, psi	Housing Material	Wd.	Ht.	Max. Temp., ° F	Regulating Accuracy	Pressure Regulation, psi		Each		Each
NPT Female Inlet × NPT Female Outlet



		1/8	1/8	14 scfm @ 100 psi	300	Zinc Alloy	1 5/8"	3"	150	±3 psi	1 to 10	9892K11	000000	9891K66	000000


		1/4	1/4	15 scfm @ 100 psi	300	Zinc Alloy	1 5/8"	3"	150	±3 psi	1 to 10	9892K12	00000	9891K66	00000


		BSPP Female Inlet × BSPP Female Outlet



				1/8	1/8	14 scfm @ 100 psi	300	Zinc Alloy	1 5/8"	3"	150	±3 psi	1 to 10	6746K93	00000	9891K66	00000


				1/4	1/4	15 scfm @ 100 psi	300	Zinc Alloy	1 5/8"	3"	150	±3 psi	1 to 10	6746K94	00000	9891K66	00000

High-Accuracy Differential Pressure Transmitters

At least twice as accurate as standard transmitters, these transmitters sense differential pressure at an accuracy of ±0.25%. Use them in laboratories or testing applications where the difference in pressure between two points needs to be measured with high accuracy. These transmitters are often used to indicate a filter is clogged or help you maintain a certain pressure in pumps, HVAC, cooling, and other air and liquid systems. They convert differential pressure to an electrical signal that can be interpreted by receiving devices, such as remote displays, programmable logic controllers, and motor speed controls to monitor pressure or control equipment. All transmitters are rated NEMA 4 for protection in washdown environments.

For your receiving device to interpret the signal from the transmitter, you will need to calibrate it for the pressure range and output signal of the transmitter. As the differential increases, the output signal from the transmitter will increase. Transmitters will only provide accurate readings within the rated pressure range. Connect them using two wires. The same wire is used to send a signal to the receiver and to power the transmitter. Current doesn’t lose signal over long distances and isn’t affected by electrical interference from other devices.

Aluminum Housing About Aluminum Housing

Image of Product. Front orientation. Contains Annotated. Differential Pressure Transmitters. High-Accuracy Differential Pressure Transmitters.

							Mounting Holes							Connection
	Pressure Differential, psi	Max. Input Pressure, psi	Input Voltage, V DC	Pipe Size	For No. of Wires	Mounting Hardware Included	Dia.	No. of	Ht.	Wd.	Enclosure Rating	For Use With	Accuracy	Pipe	Fitting	Material	Temp. Range, ° F		Each
4 to 20 mA Output Signal—Screw Terminals



		0 to 10	350	9 to 30	1/4	2	Yes	5/32"	4	3 1/8"	2 7/16"	NEMA 4	Air, Water	±0.25%	NPT Female	Threaded	17-4 PH Stainless Steel	0 to 175	9917K54	000000000

Differential Pressure Transmitters for Liquids

Used with pumps, cooling systems, and other liquid applications, these transmitters remotely measure the difference in pressure between two inputs. They are also known as transducers. These transmitters convert differential pressure to an electrical signal that can be interpreted by receiving devices, such as remote displays, programmable logic controllers, and motor speed controls to monitor pressure or control equipment. You’ll often see them used to indicate a filter is clogged.

For your receiving device to interpret the signal from the transmitter, you will need to calibrate it for the transmitter's differential pressure range and output signal. Transmitters will only provide accurate readings within the rated pressure range. Connect them using two wires. The same wire is used to send a signal to the receiver and to power the transmitter. Current doesn’t lose signal over long distances and isn’t affected by electrical interference from other devices.

316 Stainless Steel Housing About 316 Stainless Steel Housing

Image of Product. Front orientation. Contains Annotated. Differential Pressure Transmitters. Differential Pressure Transmitters for Liquids, 316 Stainless Steel Housing.

IP66 Enclosure Rating— IP66 rated transmitters are dust tight and protect against washdowns.

NEMA 4X Enclosure Rating—NEMA 4X rated transmitters protect against weather, washdowns, and corrosion.

							Mounting Holes								Connection
	Pressure Differential, psi	Max. Input Pressure, psi	Input Voltage, V DC	Pipe Size	For No. of Wires	Mounting Hardware Included	Dia.	No. of	Ht.	Wd.	Certification	Enclosure Rating	For Use With	Accuracy	Pipe	Fitting	Material	Temp. Range, ° F		Each
4 to 20 mA Output Signal—Screw Terminals



		0 to 10	50	10 to 35	1/4	2	No	1/4"	2	2"	1 7/16"	CE Marked	IP66, NEMA 4X	Diesel Fuel, Gasoline, Hydraulic Fluid, Water	±0.5%	NPT Female	Threaded	316 Stainless Steel	0 to 200	3257N12	0000000

Horizontal-Mount Fuel-Level Gauges for Tanks

Mount these gauges on the flat end of a horizontal, cylindrical tank to monitor diesel fuel, fuel oil, or gasoline level. They are UL listed for flammable liquids. For shallower tanks, cut the rod _½” to 1” shorter than your tank depth to prevent it from touching the bottom.

										1 1/4 NPT Male Thread		1 1/2 NPT Male Thread
	For Tank Dp.	Dial Dia.	Max. Pressure, psi	Temp. Range, ° F	For Container Type	Float Material	Dial Material	Numeric Graduations	Features		Each		Each
Aluminum Float Rod



		21 1/2"	2 5/16"	10	-40 to 155	Open Tank	Buna-N	Zinc Alloy	1/4	Plastic Lens	3717K66	000000	3717K67	000000