Best HVAC Manifold Gauges Case in 2025
Updated on July 2025
#1
Recommended
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- The manifold gauge set provides precise temperature and pressure readings for air conditioning systems, refrigeration, and heat pumps.
- It has a wide temperature range of -58° to 302 °F / -50 to +150 °C and a pressure range of -15 to 870 psi / -1 to 60 bar.
- Temperature accuracy is ±0.9 °F / ±0.5 °C, and pressure measurement accuracy is ±0.5 % of the full-scale value.
- Includes 2 wired temperature probes for accurate measurements of temperature, pressure, and vacuum, facilitating easy system analysis.
- Supports most common refrigerant types and A3 refrigerants, with automatic calculations of superheat and subcooling through the testo smart app.
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- The manifold gauge set provides precise temperature and pressure readings for air conditioning systems, refrigeration, and heat pumps.
- It has a wide temperature range of -58° to 302 °F / -50 to +150 °C and a pressure range of -15 to 870 psi / -1 to 60 bar.
- Temperature accuracy is ±0.9 °F / ±0.5 °C, and pressure measurement accuracy is ±0.5 % of the full-scale value.
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#2
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- Affordable and functional design for HVAC applications.
- Accurate monitoring of pressure and vacuum tests with temperature compensation.
- Compact and portable with a 200-hour battery life and replaceable battery.
- Supports 88 refrigerants, automatic calculations, multiple pressure and temperature units.
- User-friendly with a large display, included temperature clamps, and support from US technicians.
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- Affordable and functional design for HVAC applications.
- Accurate monitoring of pressure and vacuum tests with temperature compensation.
- Compact and portable with a 200-hour battery life and replaceable battery.
- Supports 88 refrigerants, automatic calculations, multiple pressure and temperature units.
- User-friendly with a large display, included temperature clamps, and support from US technicians.
#3
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- High efficiency and low noise output with an internal high-volume cooling fan for extended use
- Lightweight yet durable die-cast aluminum alloy casing with brass fittings and safety caps to prevent oil leaks
- User-friendly oil change system with an easy-to-access oil fill port and drain plug for efficient maintenance
- Includes multicolored hoses, manifold gauge, oil bottle, leak detector, and storage bag for organized equipment management
- Versatile HVAC service gauge set suitable for diagnosing and repairing various AC systems and other applications
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- High efficiency and low noise output with an internal high-volume cooling fan for extended use
- Lightweight yet durable die-cast aluminum alloy casing with brass fittings and safety caps to prevent oil leaks
- User-friendly oil change system with an easy-to-access oil fill port and drain plug for efficient maintenance
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#4
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- Includes vacuum pump, manifold gauge, three hoses, quick couplers, leak detector, and storage case for organized transport.
- Provides a flow rate of 4.5 cfm with a durable copper motor and aluminum casing for heat dissipation and corrosion resistance.
- Manifold gauge offers direct readings of temperature, pressure, and refrigerant flow, designed for efficient diagnostics.
- Three color-coded rubber hoses (5 ft each) capable of handling high pressures, suitable for long-term use.
- Compatible with various refrigerants including R134a, R12, R22, and R410a for both automotive and home systems.
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- Includes vacuum pump, manifold gauge, three hoses, quick couplers, leak detector, and storage case for organized transport.
- Provides a flow rate of 4.5 cfm with a durable copper motor and aluminum casing for heat dissipation and corrosion resistance.
- Manifold gauge offers direct readings of temperature, pressure, and refrigerant flow, designed for efficient diagnostics.
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#5
20% Off
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- Professional air conditioning diagnostic manifold gauge set for R134a, R404A, R22, R410A refrigerants; Designed for AC charging, diagnostic check, recovery and evacuation work.
- 5 Ft Long Charging Hose: 3 colors for easily recognition, red for high pressure, blue for low pressure, yellow for refrigerant bottle
- Blue Gauge (low): 0-500 PSI with 0-40 VAC, Red Gauge (high): 0-800 PSI, Burst pressure: 2500PSI, Max working pressure: 500PSI; Celsius degree unit with easy to read instrument panel
- Quick Disconnect Couplers – High & Low pressure fittings included; Each coupler have a shut off valve to prevent loss of refrigerant; Can tap opener valve thread：M14*1.25; Comes with installation tools such as valve core wrench
- Manifold Gauge Set is ideal for both DIY and professional HVAC maintenance, it allows you to measure your system's pressure, evacuate and refill coolant, and more
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- Professional air conditioning diagnostic manifold gauge set for R134a, R404A, R22, R410A refrigerants; Designed for AC charging, diagnostic check, recovery and evacuation work.
- 5 Ft Long Charging Hose: 3 colors for easily recognition, red for high pressure, blue for low pressure, yellow for refrigerant bottle
- Blue Gauge (low): 0-500 PSI with 0-40 VAC, Red Gauge (high): 0-800 PSI, Burst pressure: 2500PSI, Max working pressure: 500PSI; Celsius degree unit with easy to read instrument panel
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#6
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- 4-way air conditioning diagnostic manifold gauge set compatible with R134A, R410A, and R22 refrigerants for charging, diagnostics, recovery, and evacuation.
- Includes four 5-foot freon charging hoses in red (high pressure), blue (low pressure), yellow (refrigerant), and black (vacuum pump) for easy identification.
- Gauge specifications: blue gauge (low) 0-550 PSI, red gauge (high) 0-750 PSI, burst pressure 4000 PSI, max working pressure 800 PSI, Fahrenheit readings on an easy-to-read panel.
- Constructed from durable materials including brass, aluminum, PVC, and plastic, designed for heavy use and accidental impact, suitable for professional mechanics. Comes with a detailed parts diagram and instructions for beginners.
- Package includes: one 4-way gauge (1/4" male), four hoses (1/4" female), two adjustable couplers (1/4" male), one adjustable can tap (1/4" male), one valve core wrench, three ACME & tank adapters (various sizes), custom case, and user manual.
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- 4-way air conditioning diagnostic manifold gauge set compatible with R134A, R410A, and R22 refrigerants for charging, diagnostics, recovery, and evacuation.
- Includes four 5-foot freon charging hoses in red (high pressure), blue (low pressure), yellow (refrigerant), and black (vacuum pump) for easy identification.
- Gauge specifications: blue gauge (low) 0-550 PSI, red gauge (high) 0-750 PSI, burst pressure 4000 PSI, max working pressure 800 PSI, Fahrenheit readings on an easy-to-read panel.
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#7
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- Professional automotive AC tool kit with essential components, including a 3-way gauge and multiple color-coded hoses.
- High and low pressure gauges featuring an oil-filled core for durability and a dry dial for improved winter performance.
- Durable construction using solid brass, ABS, and rubber; equipped with a moisture indicator and calibration screws for accuracy.
- Color-coded hoses for easy identification: blue for low pressure, red for high pressure, and yellow for charging, designed to withstand high pressures.
- Compatible with multiple refrigerants (R134a, R12, R22, R502) for versatile use in HVAC maintenance and diagnostics.
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- Professional automotive AC tool kit with essential components, including a 3-way gauge and multiple color-coded hoses.
- High and low pressure gauges featuring an oil-filled core for durability and a dry dial for improved winter performance.
- Durable construction using solid brass, ABS, and rubber; equipped with a moisture indicator and calibration screws for accuracy.
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#8
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- Lightweight and durable vacuum pump with die-cast aluminum housing and anti-slip rubber base; ideal for diagnosing and recharging AC systems by efficiently removing moisture before refrigerant refilling
- Ergonomic grip handle for comfort and portability; includes high-volume cooling fan for extended use, oil sight glass for monitoring levels, and oil drain valve for quick emptying; comes with 0.35 qt. vacuum oil
- Manifold gauge set for accurate pressure measurement in refrigeration systems; features large viewing glasses and color-coded pressure gauges; includes thermometer for vehicle temperature inspection
- Color-coded hoses for easy identification of high-pressure (red), low-pressure (blue), and filling (yellow) sides; durable, leak-proof design compatible with various refrigerant systems including R134a and R410a
- Comprehensive kit with single-stage vacuum pump, vacuum oil bottle, thermometer, and gauge set; suitable for automotive AC, HVAC work, and refrigeration requiring high vacuum pull
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- Lightweight and durable vacuum pump with die-cast aluminum housing and anti-slip rubber base; ideal for diagnosing and recharging AC systems by efficiently removing moisture before refrigerant refilling
- Ergonomic grip handle for comfort and portability; includes high-volume cooling fan for extended use, oil sight glass for monitoring levels, and oil drain valve for quick emptying; comes with 0.35 qt. vacuum oil
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#9
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- 3-way air conditioning diagnostic manifold gauge set compatible with R134A, R12, R22, and R502 refrigerants for charging, diagnostic checks, and recovery work.
- Comes with three 3-foot long freon charging hoses, color-coded for easy identification: red for high pressure, blue for low pressure, and yellow for refrigerant bottle.
- Gauges display pressure ranges: low gauge (0-350 PSI) and high gauge (0-500 PSI) with a burst pressure of 3000 PSI and max working pressure of 600 PSI; displayed in Fahrenheit for easy reading.
- Constructed from durable materials including solid brass, aluminum, PVC, and plastic, suitable for heavy use and accidental drops; includes detailed parts diagram and step-by-step instructions for beginners.
- Includes: 1 three-way gauge (1/4" male), 3 hoses (1/4" female), 2 quick couplers (1/4" male), 1 can tap (piercing-style) (1/4" male), 1 adapter (1/4" Male to 1/2" Female), custom case, and detailed user manual.
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- 3-way air conditioning diagnostic manifold gauge set compatible with R134A, R12, R22, and R502 refrigerants for charging, diagnostic checks, and recovery work.
- Comes with three 3-foot long freon charging hoses, color-coded for easy identification: red for high pressure, blue for low pressure, and yellow for refrigerant bottle.
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#10
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- Includes a complete set of tools for automotive AC systems, featuring a 3-way gauge and color-coded hoses for easy identification.
- Features hybrid antishock gauges that enhance performance by combining oil-filled and dry dial designs for superior durability and operation in varied conditions.
- Color-coded hoses designed for clear identification: blue for low pressure, red for high pressure, and yellow for charging, with high pressure ratings for reliability.
- Versatile compatibility with various refrigerants including R134a, R12, R22, and R502, making it suitable for both DIY enthusiasts and professional technicians.
- Contains both puncture-style and self-sealing can taps for flexible use with different types of refrigerant canisters.
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- Includes a complete set of tools for automotive AC systems, featuring a 3-way gauge and color-coded hoses for easy identification.
- Features hybrid antishock gauges that enhance performance by combining oil-filled and dry dial designs for superior durability and operation in varied conditions.
- Color-coded hoses designed for clear identification: blue for low pressure, red for high pressure, and yellow for charging, with high pressure ratings for reliability.
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