Best Air Conditioning Suction Fittings in 2026

Color-coded scales

Sliding double “O” ring pistons reduce wear

Long life nylon seats

Contoured easy-grip handles for positive control; color-coded for ready identification

Sight glass to easily view refrigerant movement and condition during charging and recovery

Optional protective gauge boots available

Inlet Port: 1/4" Flare, Warm note: 1)Pressure Scale:0~400psi, 0~140psi 2)Length of hose:1.2m Red:1/4''-1/4'' Yellow:1/4''-1/4'' Blue:1/4''-1/4'' Please make sure your manifold gauge is in accordance with this size. Any question in using, please contact seller first. *** A self-paying vacuum pump Adapter needed if inflet not suitable.

High Efficiency and Low Noise, Heavy-duty Aluminum Alloy Casing, Oil Drain Plug Positioned at Bottom of Oil Reservoir,Internal High Volume Cooling Fan for Extended U

Exhaust Port with Exhaust Cap, Direct Drive Motor Allowing Easy Starting Which is Maintenance Free

Lightweight cast aluminum construction for maximum durability

Direct drive motor allowing easy starting and is maintenance free

Oil viewing windows allows you to monitor oil quality and levels;Oil Drain Valve - Positioned at the bottom of the oil reservoir and angled for faster, more complete draining;

【Quality and Safety】This air conditioner hose adapter is made of the carefully selected superior brass alloy, which is easy to weld, not easy to burst, and features great corrosion resistance and high hardness

【Specially Designed Valve】The R410A adapter is specially designed with a thimble to effectively avoid opening the air-conditioning core tube during operation and effectively prevent fluoride leakage

【Wide Applicability】This R410A fitting adapter features 5/16" SAE female plug and 1/4" SAE male plug, which is ideal for most new R410A mini split air conditioners, HVAC and other refrigeration equipment

Compact and lightweight, the RG3 features a 40 percent smaller footprint, is easy to carry, and weighs in at just 18 pounds for superior portability

Handles almost all refrigerants - the RG3 works with all common CFC, HFC, and HCFC refrigerants including R-410A

1/3 HP, 115V AC, 60 Hz single cylinder, oil-less compressor is capable of recovering both liquid and vapor

【Complete Kit】-an complete refrigerant injection kit for MINI/HVAC/AUTO AC system, with a large-capacity tool bag that can carry all the accessories needed at one time.

【Manifold Gauge】-You could directly read the temperature(℉) and pressure(psi) of R12/R22/R134a/R410a refrigerant on the professional dial. This gauge could be hung on the car/air conditioner cover or other high places through the top hook, freeing your hands for more works.

【Heavy Pressure Hose】-with three high-strength pressure hoses, red for high-pressure pipes, blue for low-pressure pipes, yellow for vacuum pumps; 5FT long for each one, 1/4 SAE to 1/4 SAE, 800 PSI working pressure; 4000 PSI burst pressure.

COMPLETE GAUGE SET: This professional automotive AC tool kit includes a 4-way gauge, 4 color-coded hoses, 2 adjustable 1/4'' quick couplers, a 1/2'' to 1/4'' adapter, a 1/4'' to 5/16'' tank adapter, 5/16'' to 1/4'' angled and straight adapters, and a puncture-style can tap; enjoy hassle-free setup and easy operation as you nip your HVAC problems in the bud

DESIGNED GAUGES: The 2.6" high and low pressure gauges combine the best features of dry and liquid-filled designs, with an oil-filled core resisting shock and a dry dial providing better winter performance; the sight glass diagnosis monitors your coolant’s condition in real time; and calibration screws and superior design provide ±1.6% accuracy

COLOR-CODED HOSES: Blue for low, red for high, yellow for charging, and black for evacuation, these durable PVC hoses have 4 reinforced layers to work with daily pressure up to 800 psi (burst pressure: 4000 psi)

EFFECTIVE SERVICE SET: This professional ac recharge kit by Orion Motor Tech includes a powerful 1/3 hp vacuum pump, 3-way manifold gauge, a leak detector, R134a self-sealing & puncture-style taps, R134a quick couplers, the necessary lubricating & absorptive pump oil, and 3 hoses for easy refrigerant evacuation, recharging, and other automotive AC repair work

DURABLE VACUUM PUMP: The motor’s high-quality copper construction offers efficient, dependable, and quiet service at a 4 cfm flow rate; the reinforced aluminum alloy casing effectively dissipates heat generated during operation and resists chemical corrosion for years of quality use

HELPFUL ACCESSORIES: This vacuum pump and gauge kit comes with an SAE adapter to allow use with 1/4", 3/8", and 1/2" hoses, 2 quick couplers and 2 taps for immediate use with self-sealing and puncture style R134a cans, and a durable case and bag to keep everything organized for storage and transport

A Complete refrigerant changing tool kit for R410a, R134a, R134, R134A, R12, R22, R22A, R404A, R407C or R502. Especially designed for Mini-Split and HVAC system.

[Gauge] Blue gauge (low): 2-1/2" diameter, 0-500 PSI; Red gauge (high): 2-1/2" diameter, 0-800 PSI. Max working pressure: 800PSI, Burst pressure: 4000PSI.

[Three Colored Hoses] Brass 'Quick Seal' fittings - 45 degree on one end, straight on the other - providing a leak-free seal. Sets of 6 inches long, 1/4 inch yellow, blue, and red hoses; 800 PSI working pressure; 4000 PSI burst pressure,

PUMP IT OUT: This single-stage rotary vane vacuum pump from Orion Motor Tech is powered by a 1/3 hp all copper motor to keep your vehicle AC servicing fast and easy; its 4.5 cfm flow rate can draw your system down as low as 37.5 microns (5 Pa) and is able to quickly degas batches of resin, epoxy, oil, and other solvents when equipped with a vacuum chamber

SAFE & DURABLE: The reinforced aluminum alloy casing effectively dissipates heat generated during operation and resists chemical corrosion for years of quality use; its innovative design prevents oil backflow and separates the exhaust from any oil vapor, limiting contamination and providing safer operation, while the reinforced power cord ensures superior durability

USER FRIENDLY: The 7.6 fl. oz. reservoir includes a sight glass and scale for easy monitoring of the pump's oil level and quality; the light weight and sturdy handle keep everything easily portable for transport or storage between jobs; and 1/4 inch and 3/8 inch ports allow fast and easy servicing of automotive and other low-tonnage R12, R22, R134a, R410a, and R502 systems

ADJUSTABLE AC R134A COUPLER: Adjustable function allows you to open and close easily by twisting the red/blue knob on the quick coupler adapters, rather than take them off from the service ports. Adjustable pin in the quick coupler reduces the wear for the Schrader valve in AC service port, and ensure there is no leakage of refrigerant when connect and disconnect the port.

HVAC QUICK CONNECTOR: Premium brass and aluminum is featured with high hardness, wear resistance, anti-corrosion. Work with rubber sealing ring, ensures the gas tightness with no leak. At the bottom of the automotive air conditioner coupler, quick interface and ball bearings designs are compatible with all models with standard R134A service port. And the accurate snap lock and knurled grip ring help to connect and disconnect easily and quickly.

EASY TO CONNECT: Connect the blue coupler to AC suction service port and the red one to AC discharge service port. Use the 1/4" male flare adapter to match the 1/4" female fittings from AC manifold gauge hose, red to red, blue to blue. Ideal fittings for AC evacuation (vacuum), diagnostic check, refrigerant charging and recovery work.

Gauge Set -- 2 Valve Manifolds with Sight-glass & 1/4" SAE fittings anodized aluminum block body, oversized sight-glass for easy viewing the refrigerant flow high quality gauge and high accuracy of reading

Vacuum Pump - Newly Designed Compact Vacuum Pump, Portable and Stronger. Flow rate: 3.6CFM Power: 1/4HP Ultimate Vacuum: 0.8Pa

Accessory--3 × 4FT Blue Red Yellow Refrigrant Hose,2 × 1/4" SAE Male to 5/16" SAE Female Adapters（R410a）, 1 × Toolkit, 12oz Vacuum Oil, 1 × Manual for Pump and Gauge

A/C DIAGNOSTICS: Professional 4-way air conditioning diagnostic manifold gauge set for R134A, R410A, and R22 refrigerants. Designed for checking pressure in AC lines, leak determination, freon top-offs, recovery work, and complete evacuation & recharges.

COLOR CODED HOSES: Include 4 five-foot freon charging hoses in 4 colors for easy recognition: red for high pressure, blue for low pressure, yellow for the refrigerant bottle, and black for the vacuum pump.

ADVANCED PRESSURE GAUGES: Blue Gauge (low): 0-550 PSI, Red Gauge (high): 0-750 PSI. Extra-strength hoses with burst pressure at 4000PSI, Max working pressure: 800PSI. Fahrenheit degree units with an easy-to-read instrument panel.

Professional 4 Valve Manifold Set, Diagnostic R134A, R410A and R22 systems. No additional adapters required. Designed for rapid testing, charging and evacuation.

Compact but powerful vacuum pump delivers 3.6 CFM flow rate and 150 Micron vacuum. Cast aluminum housings make the pump lightweight while durable.Thermally protected is good for long time duty.

Blue Gauge (low): 0-550 PSI, Red Gauge (high): 0-750 PSI, Burst pressure: 4000PSI, Max working pressure: 800PSI; Fahrenheit degree unit with easy to read instrument panel.

COMPLETE GAUGE SET: This professional r410a gauges tool kit from Orion Motor Tech includes a 3-way gauge, 3 color-coded hoses, 2 1/4'' to 5/16'' R410a adapters, a 1/4'' to 1/2'' adapter, 2 safety valves, a valve core tool, and a universal can tap; enjoy hassle-free setup and easy operation as you nip your HVAC problems in the bud

±1.6% ACCURACY GAUGES: The 2.6" high and low pressure gauges combine the best features of dry and liquid-filled designs, with an oil-filled core resisting wear and shock and a dry dial providing better winter performance; the moisture indicator monitors your coolant’s condition in real time; and calibration screws and superior design provide ±1.6% accuracy

COLOR-CODED HOSES: Blue for low, red for high, and yellow for charging, these durable PVC hoses have 4 reinforced layers to work with daily pressure up to 600 psi (burst pressure: 3000 psi); built-in barriers ensure the purity of your refrigerant by condensation and other moisture as you work

★ 60 inch long,1/4 inch yellow,blue,and red hoses feature a 800 PSI working pressure and 4000 PSI burst pressure - ideal for standard refrigerants

★ Easy to operate and install,strong sealing for durability and safety.Necessary tools for HVAC,car air condition maintenance and coolant or Freon adding.

★ Manifold with built-in sight glass. Durable metal casing. Aluminum alloy testing manifold body R410A Connectors (2pc): 5/16" SAE，refrigerant anti blowback fittings refrigeration charging hoses valve discharge conditioning refrigerant charging refrigerant discharge recharge yellow jacket interdynamics conditioning recharge bundle refrigerant liquid hose

AC U CHARGE HOSE: R134A charging hose uses rubber nylon resin material hoses, featured with anti-corrosion, low fluid resistance, high bearing pressure, ensure durability and good air sealing. Max working pressure is 500PSI and burst pressure is upto 2500PSI. Total length is 19", ideal for easy to reach AC suction service port, for example the AC connector is right on top of your engine compartment.

REFRIGERANT CHARGING GAUGE: Right in the middle of the refrigerant recharge hose, there is a AC low pressure gauge with scale range 0-100PSI / 0-7kg/cm². Equipped with metal scale plate, color coded scale range to mark pressure state with LOW FULL ALERT DANGER. Easy to monitor the automotive air conditioning low pressure side pressure, to insure a accurate R134A recharge.

METAL QUICK COUPLER AND CAN TAP: One side is metal quick interface coupler with accurate snap lock and anti-slip grip ring, easy to connect and disconnect, compatible with all models with standard R134A suction service port. The other side is metal can tap with 1/2" female thread interface, can screw to fix on 1/2" male thread of refrigerant bottle opening. T type knobs, easy to operate by fingertips. Internal pin with sharp tip help to pierce refrigerant bottle easily and quickly.

 AC A/C Manifold Gauge Set ---- 3-way air conditioning diagnostic manifold gauge set for R404a, R410a, R22 refrigerants. Designed for AC charging, diagnostic check and recovery work

Necessary tools for HVAC, car air condition maintenance and coolant or Freon adding.Widely used for household air conditioning units; Refrigerator, air conditioner and industrial refrigeration equipment.

Easy to operate and install, strong sealing for durability and safety.The solid brass gauge threaded connector and hose fitting is different from the brass plated construction, corrosion-resistant and rustless——ideal for professional auto mechanics. 

EFFECTIVE SERVICE SET: This professional ac vacuum pump and gauge set by Orion Motor Tech includes a powerful 1/3 hp vacuum pump, a 4 way manifold gauge, a leak detector, self-sealing & puncture-style taps, the necessary lubricating & absorptive pump oil, and 4 hoses for easy refrigerant evacuation, recharging, and other automotive AC repair work

DURABLE VACUUM PUMP: The motor’s high-quality copper construction offers efficient, dependable, and quiet service at a 4 cfm flow rate; the reinforced aluminum alloy casing effectively dissipates heat generated during operation and resists chemical corrosion for years of quality use

HELPFUL ACCESSORIES: This ac gauges and vacuum pump kit comes with an SAE adapter to allow use with 1/4", 3/8", and 1/2" hoses, 2 quick couplers and 2 taps for immediate use with self-sealing and puncture style R134a cans, and a durable case and bag to keep everything organized for storage and transport

Professional 3-way air conditioning diagnostic manifold gauge set for R134A R12 R22 and R502 refrigerants. Designed for AC charging, diagnostic check and recovery work.

Include 3pc 3FT extra long freon charging hose, 3 color for easily recognition, red for high pressure, blue for low pressure, yellow for refrigerant bottle.

Blue Gauge (low): 0-350 PSI ___ Red Gauge (high): 0-500 PSI ___ Burst pressure: 3000PSI ___ Max working pressure: 600PSI ___ Fahrenheit degree unit with easy to read instrument panel.

【Rotary Vane Vacuum Pump 】Intake Ports: 1/4" flare, 1/2" ACME, 3/8" SAE, Free Air Displacement(FAD): 5CFM, Power: 3/4HP, Voltage/Frequency: 110/60HZ, Ultimate Vacuum: 0.3 PA, Oil Capacity: 14.48oz, Non-Slip Cushion Handle. （Not included a bottle of vacuum oil）

【High-Efficiency Heat Dissipation】Aluminum alloy casing is used in this kind of machinery that high heat-scattering efficiency, keeping the pump cooler and extend the life.

【Convenient To Operate】Features a simple oil fill port for a clean pour, oil window provides vital information like oil level and oil quality. The design of a great starting moment is easy for starting and high efficiency, which can keep it working perfectly even is lower ambient temperature and lower volt. 1/4", 1/2" and 3/8" ports allow fast and easy servicing of automotive and other low-tonnage R12, R22, R134a, and R410a systems.

Angled Ball Valve: 1/4" SAE male and female ball valve have 45 degree manual shut off valve to control refrigerant. With the deep knurted coupling nut, you can quickly tightened it by hand.

45 Degree R410a Adapter: 1/4" male SAE x 5/16" SAE female adapter, Converts the 5/16" SAE charging vacuum ports(R410A type) to accept 1/4" SAE gauge hose set, which is ideal for R410A air conditioner, HVAC and other refrigeration equipments.

R134A Refrigerant Tank Adapters: Two sizes are 1/2" ACME female to 1/4" SAE male and 1/2" ACME male to 1/4" SAE female.

50 FT SPLIT SYSTEM LINE set with fully insulated 7/8 copper tubing by RHINO HVAC PARTS. Divided ⅜” and ⅞” inch connect to split air conditioner lines. Use with AC and Refrigeration Systems

SUPERIOR INSULATION you can trust. Our ½ inch thick industrial Flex Foam retains thermal integrity over time. Developed to handle extreme temps. Refrigerant line set rated for -4°F to 212°F

ULTRA HIGH PRESSURE hvac copper line sets are SGS tested & certified. Ratings: ⅜ inch line - 700 PSI, ⅞ inch line - 2900 PSI. Use as condenser line set or split air conditioner line set

3 Way AC Manifold Gauge Set-- 3 way 2 valves 2 gauges manifold refrigerant gauge is wonderful for automobile and domestic air conditioners' evacuation (vacuum) and diagnostic check, R134a R404a refrigerant charging and recovery work. 2-3/4" large two-color meter with color scale, blue low pressure gauge range: -30inHg~250PSI, red high pressure: 0~500PSI. The visual window on the premium corrosion-resistant brass manifold allows you to easily monitor refrigerant charging and recovery.

3 5FT Color Hoses-- AC charging hoses use rubber resin (corrosion resistance, good air tightness) and built-in nylon increases its stress resistance: Maximum working pressure 600PSI, bursting pressure 3000PSI. Each side is fitted with 1/4" Female brass fittings: the straight fittings of red hose connects HP red gauge side 1/4" Male flare, the angled one to red quick coupler, LP blue gauge - blue hose - blue quick coupler, and yellow hose connects middle charging port to can tap or recovery unit

Adjustable R134A Quick Couplers-- The R134a AC quick connectors are made of high quality brass and aluminum. They are designed to lock accurately with ball bearings and compatible with all models of standard R134A service ports for fast connection. Blue one for AC low side suction service port, and red one for AC high side discharge service port. Clockwise open and anticlockwise close easily by twisting the adjustable knob, reduce Schrader valve wear and ensure no leak when connect/disconnect.

3 Way AC Manifold Gauge Set-- 3 way 2 valves 2 gauges manifold refrigerant gauge is wonderful for automotive air conditioners' evacuation (vacuum) and diagnostic check, R1234yf refrigerant charging and recovery work. 3" large two-color meter with color scale, blue low pressure gauge range: -30inHg~348PSI, red high pressure: 0~500PSI, Celsius & Fahrenheit unit. The visual window on the premium corrosion-resistant aluminum manifold allows you to easily monitor refrigerant charging and recovery

3 5FT Color Hoses-- AC charging hoses use rubber resin (corrosion resistance, good air tightness) and built-in nylon increases its stress resistance: Maximum working pressure 600PSI, bursting pressure 3000PSI. The 12MM Male fittings of red hose connects HP red gauge side Female brass fittings, the angled 1/4" Female fittings of red hose to red quick coupler, LP blue gauge - blue hose - blue quick coupler, and yellow hose connects middle charging port to can tap or recovery unit or air compressor

Adjustable R1234yf Quick Couplers-- The R1234yf AC quick connectors are made of high quality brass and aluminum. They are designed to lock accurately with ball bearings and compatible with all models of standard R1234yf service ports for fast connection. Blue one for AC low side suction service port, and red one for high side discharge service port. Clockwise open and anticlockwise close easily by twisting the adjustable knob, reduce Schrader valve wear and ensure no leak when connect/disconnect

3 Way AC Manifold Gauge Set-- 3 way 2 valves 2 gauges manifold refrigerant gauge is wonderful for automobile and domestic air conditioners' evacuation (vacuum) and diagnostic check, R134a R404a refrigerant charging and recovery work. 2-3/4" large two-color meter with color scale, blue low pressure gauge range: -30inHg~250PSI, red high pressure: 0~500PSI. The visual window on the premium corrosion-resistant brass manifold allows you to easily monitor refrigerant charging and recovery.

3 3FT Color Hoses-- AC charging hoses use rubber resin (corrosion resistance, good air tightness) and built-in nylon increases its stress resistance: Maximum working pressure 500PSI, bursting pressure 2500PSI. Each side is fitted with 1/4" Female brass fittings: the straight fittings of red hose connects HP red gauge side 1/4" Male flare, the angled one to red quick coupler, LP blue gauge - blue hose - blue quick coupler, and yellow hose connects middle charging port to can tap or recovery unit

AC R134A Quick Couplers-- The R134a AC quick connectors are made of high quality brass and aluminum. They are designed to lock accurately with ball bearings and compatible with all models of standard R134A service ports for fast connection. Blue one for AC low pressure side suction service port, and red one for AC high pressure side discharge service port. Aim at service port, push to connect and lock, and pull up the knurled grip ring to loose and lift to disconnect, very easy and quick