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Best Testo 550s AC Manifold Deals of Nov 2026

Updated November 10, 2026·Our site contains affiliate links for which we may be compensated.

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Testo

testo 550s AC Manifold Gauge Set – Manifold Gauges Hvac and Refrigeration – Incl. 2x testo 115i Pipe Clamp Thermometer - AC Recharge Kit with superheat, subcooling and Bluetooth

Versatile; The testo AC manifold gauge set offers extremely precise readings of temperature and pressure on air conditioning systems, refrigeration, as well as heat pumps

Wide Range; With testo´s ac manifold, you can take advantage of the wide temperature measuring range of -58° to 302 °F / -50 to +150 °C and pressure measuring range of -15 to 870 psi / -1 to 60 bar

Precise; The ac recharge kit provides reliable data with a temperature accuracy +-0.9 °F / +-0.5 °C and pressure measurement accuracy of +-0.5 % of full-scale value

Probes; Obtain accurate measurements of temperature, pressure, or vacuum with the hvac manifold gauge set. The kit includes 2 wireless temperature probes and 1 wireless vacuum probe, making system analysis and optimization quick and easy

Features; The testo hvac gauges supports most common refrigerant types, as well as A2L refrigerants. Combined with the testo smart app, the gauge produces automatic calculations of superheat and subcooling

Smart App; Take advantage of clearly visualized documentation from a smartphone or tablet. Remotely operate your refrigerant gauges, execute service and maintenance tasks, and send results directly from the job site

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Testo

100–250 sold/mo

testo 550s AC Manifold Gauge Set – Manifold Gauges HVAC – Incl. 2 Wired Temperature Clamp Probes – Recharge Kit with Superheat, Subcooling For AC, Refrigeration & Heat Pumps – Bluetooth

Versatile; The testo AC manifold gauge set offers extremely precise readings of temperature and pressure on air conditioning systems, refrigeration, as well as heat pumps

Wide Range; With testo´s ac manifold, you can take advantage of the wide temperature measuring range of -58° to 302 °F / -50 to +150 °C and pressure measuring range of -15 to 870 psi / -1 to 60 bar

Precise; The ac recharge kit provides reliable data with a temperature accuracy +-0.9 °F / +-0.5 °C and pressure measurement accuracy of +-0.5 % of full-scale value

Probes; Obtain accurate measurements of temperature, pressure, or vacuum with the hvac manifold gauge set. The kit includes 2 wireless temperature probes and 1 wireless vacuum probe, making system analysis and optimization quick and easy

Features; The testo hvac gauges supports most common refrigerant types, as well as A2L refrigerants. Combined with the testo smart app, the gauge produces automatic calculations of superheat and subcooling

Smart App; Take advantage of clearly visualized documentation from a smartphone or tablet. Remotely operate your refrigerant gauges, execute service and maintenance tasks, and send results directly from the job site

Details & specs

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ProductPage Image

Testo

testo 550s AC Manifold Gauge Set – Manifold Gauges HVAC and Refrigeration – Incl. 2X t115i Pipe Clamp Thermometer, 1x t552i Micron Gauge HVAC - AC Recharge Kit with Bluetooth

Versatile; The testo AC manifold gauge set offers extremely precise readings of temperature and pressure on air conditioning systems, refrigeration, as well as heat pumps

Wide Range; With testo´s ac manifold, you can take advantage of the wide temperature measuring range of -58° to 302 °F / -50 to +150 °C and pressure measuring range of -15 to 870 psi / -1 to 60 bar

Precise; The ac recharge kit provides reliable data with a temperature accuracy +-0.9 °F / +-0.5 °C and pressure measurement accuracy of +-0.5 % of full-scale value

Probes; Obtain accurate measurements of temperature, pressure, or vacuum with the hvac manifold gauge set. The kit includes 2 wireless temperature probes and 1 wireless vacuum probe, making system analysis and optimization quick and easy

Features; The testo hvac gauges supports most common refrigerant types, as well as A2L refrigerants. Combined with the testo smart app, the gauge produces automatic calculations of superheat and subcooling

Smart App; Take advantage of clearly visualized documentation from a smartphone or tablet. Remotely operate your refrigerant gauges, execute service and maintenance tasks, and send results directly from the job site

Details & specs

Compare

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Testo

30 Day Low Price

testo 550s AC Manifold Gauge Set – Manifold Gauges HVAC – Incl. 2x 115i Pipe Clamp, 1x 552i Micron Gauge, Set of 3 Hoses – Recharge Kit For AC, Refrigeration & Heat Pumps – Bluetooth

Versatile; The testo AC manifold gauge set offers extremely precise readings of temperature and pressure on air conditioning systems, refrigeration, as well as heat pumps

Wide Range; With testo´s ac manifold, you can take advantage of the wide temperature measuring range of -58° to 302 °F / -50 to +150 °C and pressure measuring range of -15 to 870 psi / -1 to 60 bar

Precise; The ac recharge kit provides reliable data with a temperature accuracy +-0.9 °F / +-0.5 °C and pressure measurement accuracy of +-0.5 % of full-scale value

Probes; Obtain accurate measurements of temperature, pressure, or vacuum with the hvac manifold gauge set. The kit includes 2 wireless temperature probes and 1 wireless vacuum probe, making system analysis and optimization quick and easy

Features; The testo hvac gauges supports most common refrigerant types, as well as A2L refrigerants. Combined with the testo smart app, the gauge produces automatic calculations of superheat and subcooling

Smart App; Take advantage of clearly visualized documentation from a smartphone or tablet. Remotely operate your refrigerant gauges, execute service and maintenance tasks, and send results directly from the job site

Details & specs

Compare

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Testo

Testo 558s AC Manifold Gauge Set – HVAC Manifold Gauge Set with 2X 115i Pipe-Clamp Thermometer, 1 x 552i Vacuum Probe – with 4-Way Valve, USB-C - Bluetooth and App-Connection

Versatile; The manifold gauge set offers extremely precise readings of temperature and pressure on air conditioning systems, refrigeration, as well as heat pumps

Precise; Achieve precise results with the Testo 558s manometer HVAC, featuring a superior pressure measuring accuracy of +/- 0.25% full scale for reliable, consistent readings in any HVAC application

Refrigerant Compatibility; Ensure maximum safety when working with flammable refrigerants. The Testo 558s ac gauge HVAC is fully compatible with A2L and A3 refrigerants, providing reliable and safe operation

Interactive Operation: Enjoy an interactive app interface with touchscreen and graphical data trends over 30 minutes. For full flexibility, switch to classic keypad operation or seamlessly integrate with the testo Smart App

Dual Power System; Your digital manometer is always ready to go with a dual power system consisting of batteries and a rechargeable USB-C battery, offering a battery life of up to 70 hours

Complete Set; The manifold set includes the testo 558s Manifold gauge 2x 115i Pipe-Clamp thermometer, 1 x 552i Vacuum Probe, as well as a sturdy hardcase

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Testo

Testo 558s AC Manifold Gauge Set – HVAC Manifold Gauge Set with 2X 115i Pipe-Clamp Thermometer, 1 x 552i Vacuum Probe and a Set of 4 Hoses – with 4-Way Valve, USB-C - Bluetooth and App-Connection

Versatile; The manifold gauge set offers extremely precise readings of temperature and pressure on air conditioning systems, refrigeration, as well as heat pumps

Precise; Achieve precise results with the Testo 558s manometer HVAC, featuring a superior pressure measuring accuracy of +/- 0.25% full scale for reliable, consistent readings in any HVAC application

Refrigerant Compatibility; Ensure maximum safety when working with flammable refrigerants. The Testo 558s ac gauge HVAC is fully compatible with A2L and A3 refrigerants, providing reliable and safe operation

Interactive Operation: Enjoy an interactive app interface with touchscreen and graphical data trends over 30 minutes. For full flexibility, switch to classic keypad operation or seamlessly integrate with the testo Smart App

Dual Power System; Your digital manometer is always ready to go with a dual power system consisting of batteries and a rechargeable USB-C battery, offering a battery life of up to 70 hours

Complete Set; The manifold set includes the testo 558s Manifold gauge 2x 115i Pipe-Clamp thermometer, 1 x 552i Vacuum Probe, a set of 4 hoses, as well as a sturdy hardcase

Details & specs

Also available at

eBay

Zoro

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Testo

Testo 550s AC Manifold Gauge Set – Manifold Gauges HVAC and Refrigeration – Incl. 2X 115i Pipe Clamp Thermometer & 552i App-Controlled Wireless Vacuum Probe I for HVAC Systems – with Bluetooth

Product 1: EFFICIENT; Over 60 refrigerant profiles, precise pressure and temperature measurements, as well as superheat and subcooling calculation make manometer the tool for every HVAC job

Product 1: VERSATILE; The digital manifold gauge can be combined with a number of air and surface probes that make measurements easier than ever - even in areas that are difficult to access for conventional devices

Product 1: EASY HANDLING; Thanks to its simplified menu structure, backlit display, IP42 certified, rugged housing and 2-way valve block with 3 connections, the hvac multimeter is handy and user-friendly

Product 1: 115i THERMOMETER: Thanks to a grip of up to 1.5”, the wireless pipe clamp thermometer provides quick and convenient temperature and flow and return temperature measurements of pipes

Product 2: Accurate: The testo 552i achieves precise deep vacuum measurements down to single digit resolutions and provides notifications when the evacuation target is met

Product 2: Easy-to-use: The device is equipped with a built-in 45° angle for convenient installation and rugged IP 54 certified housing, which makes it extraordinarily compact and reliable

Product 2: Clever: For the purposes of wireless vacuum measurement, the testo 552i automatically connects to digital manifolds and can be used via just one service port and no loss of refrigerant

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Testo

testo 558s Digital Manifold Gauge – AC Manifold Gauge HVAC for Long-Term Measurement on Air Conditioning, Heat Pumps – 4-Way Valve and USB-C – with Touchscreen, Bluetooth and App-Connection

Versatile; The manifold gauge set offers extremely precise readings of temperature and pressure on air conditioning systems, refrigeration, as well as heat pumps

Precise; Achieve precise results with the Testo 558s manometer HVAC, featuring a superior pressure measuring accuracy of +/- 0.25% full scale for reliable, consistent readings in any HVAC application

Refrigerant Compatibility; Ensure maximum safety when working with flammable refrigerants. The Testo 558s ac gauge HVAC is fully compatible with A2L and A3 refrigerants, providing reliable and safe operation

Interactive Operation: Enjoy an interactive app interface with touchscreen and graphical data trends over 30 minutes. For full flexibility, switch to classic keypad operation or seamlessly integrate with the testo Smart App

Dual Power System; Your digital manometer is always ready to go with a dual power system consisting of batteries and a rechargeable USB-C battery, offering a battery life of up to 70 hours

Details & specs

Also available at

Zoro

Compare

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Testo

testo Smart Probe Kit - HVAC/R Gauge Set for Air Conditioning, Refrigeration and Heating System - AC Gauge Set with 2X 115i Clamp Meter and 2X 549i High Pressure Gauge – with Bluetooth

Efficient: The testo ac gauge set set offers precise measurements and calculations for heating and cooling systems, making it ideal for all HVAC/R contractors and technicians

Complete Set: The hvac gauge set includes two testo 115i pipe clamp thermometers and two testo 549i high pressure gauges, as well as a protective hard-shell case with precise-fit compartments

Testo 115i: Precise, wireless NTC clamp meter for pipes up to 1.5", featuring real-time Bluetooth data logging and seamless PDF/Excel reporting. The 115i provides quick and reliable temperature and flow and return temperature measurements in pipes

Testo 549i: This pressure meter enables accurate high and low-pressure measurement with its 45° connector for low refrigerant loss and features a massive 350 ft. Bluetooth range and live data feed integration

Smart App: Easily streamline your workflow with the free testo Smart Probes App, allowing you to generate professional, shareable reports and monitor data remotely. Data reports can be e-mailed directly as a pdf or Excel file

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Testo

testo 550 I Digital Manifold Kit for air conditioning, refrigeration systems and heat pumps - with Bluetooth support

Efficient: The testo 550 with its sturdy housing and 2-way valve block was particularly created for harsh environments and offers data storage for up to 60 refrigerants

Accurate: Thanks to two temperature compensated pressure sensors, the wireless manifold determines high and low pressure as well as evaporation and condensation temperature

Multiple functions: The digital manifold features the display of temperature difference, temperature compensated leakage tests and calculation of superheating and subcooling

Set: Includes two pipe clamp temperature probes (two channel NTC temperature inputs) for reliable measurement, as well as a protective hard-shell case

Smart App: Conveniently follow all measurements via Bluetooth from a smartphone or tablet. Send results directly from the job site for a more convenient documentation

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Our #1 Pick Today

ProductPage Image

Testo

testo 550s AC Manifold Gauge Set – Manifold Gauges Hvac and Refrigeration – Incl. 2x testo 115i Pipe Clamp Thermometer - AC Recharge Kit with superheat, subcooling and Bluetooth

Versatile; The testo AC manifold gauge set offers extremely precise readings of temperature and pressure on air conditioning systems, refrigeration, as well as heat pumps

Wide Range; With testo´s ac manifold, you can take advantage of the wide temperature measuring range of -58° to 302 °F / -50 to +150 °C and pressure measuring range of -15 to 870 psi / -1 to 60 bar

Precise; The ac recharge kit provides reliable data with a temperature accuracy +-0.9 °F / +-0.5 °C and pressure measurement accuracy of +-0.5 % of full-scale value

Probes; Obtain accurate measurements of temperature, pressure, or vacuum with the hvac manifold gauge set. The kit includes 2 wireless temperature probes and 1 wireless vacuum probe, making system analysis and optimization quick and easy

Features; The testo hvac gauges supports most common refrigerant types, as well as A2L refrigerants. Combined with the testo smart app, the gauge produces automatic calculations of superheat and subcooling

Smart App; Take advantage of clearly visualized documentation from a smartphone or tablet. Remotely operate your refrigerant gauges, execute service and maintenance tasks, and send results directly from the job site

Details & specs

Compare

Disclaimer: While we make every effort to ensure accuracy, we cannot guarantee that all product specifications, pricing, discounts, and details are complete or error-free. Because information is subject to change, we recommend verifying all details directly with the retailer prior to making a purchase. As an Amazon Associate, we earn from qualifying purchases.

10 Testo 550s AC Manifold deals are available from: Amazon, starting from $413.00.

The biggest discount we found is 5% on testo 550s AC Manifold Gauge Set – Manifold Gauges HVAC and Refrigeration – Incl. 2X t115i Pipe Clamp Thermometer, 1x t552i Micron Gauge HVAC - AC Recharge Kit with Bluetooth (550s) at Amazon.

The lowest price we found is $413.00 while the highest is $1,006.52. Prices for the best Testo 550s AC Manifold deals average at $691.53.

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