Reviews Hvac System Expansion Valves

2Pcs Hex Key Adapter for HVAC Service Ratcheting Wrench, 1/4-Inch Square to 3/16 and 5/16-Inch Hex, For HVAC Compressor Service Valve, Rotalock Valves Open or Close

  • [WHAT YOU GET] – You will get 2Pcs hexagon key adapters for air conditioning ratchet wrench, provides access to 3/16-Inch and 5/16-Inch hard to reach valves..
  • [FEATURES] – Spring loaded ball bearing on hex adapter locks securely into HVAC service wrench..
  • [WIDE APPLICATION] – The A.I.FORCE Hex Key Adapters are designed to open and close the compressor service valve, rotalock valves and shutoff valves on air condition, refrigeration and other equipment, although there is very limited space..
  • [COMPATIBILITY] – The HVAC Service Hex Key Adapters fit for 1/4-Inch square wrench opening on Ratcheting Wrench, and compatible with 3/16" and 5/16" hex valves..
  • [PREMIUM QUALITY] - The A.I.FORCE Service Hex Key Adapters are constructed to last with high grade steel alloy, heat-treated for maximum strength..
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Wilkins 114-NR3XL 1 1/4 Pressure Reducing Valve

  • Ideal for use where Lead-Free* valves are required.
  • Designed for installation on potable water lines to reduce high inlet pressure to a lower outlet pressure..
  • The integral strainer makes this device most suitable for residential and commercial water systems that require frequent cleaning of sediment and....
  • The direct acting integral by-pass design prevents buildup of excessive system pressure caused by thermal expansion..
  • The balance piston design enables the regulator to react in a smooth and responsive manner to changes in system flow demand, while at the same time,....
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Aupoko R134A R12 Valve Core Quick Remover Installer, Air Conditioning Adjustable High Pressure (Red) and Low Pressure (Blue) Valve Core Tool, 2 Pack

  • ☀ GOOD REPLACeMENT --- R134a valve core remover installer designs for using of servicing valves to remove and install the valve core R134 or R12 from a 1/4-inch male flare access fitting in AC systems without the loss of refrigerant. Excellent for replacing valve cores without discharging or reclaiming the system..
  • ☀ HIGH & LOW PRESSURE QUICK COUPLER --- High pressure coupler (Red), with inner diameter 16 mm, and Low Pressure coupler (Blue) with inner diameter 13 mm..
  • ☀ ADJUSTABLE --- The R12 valve core quick remover installer is adjustable to fit the different valve core. Good for vehicle/car/auto air condition, household air conditioner, HVAC Maintenance or repairing..
  • ☀ WELL-DESIGN --- Built-in stainless-steel ball valve: the well-designed ball valve and threaded remover lets the user block off the system while changing the valves cores, allowing for no refrigerant loss..
  • ☀ 1 YEAR WARRANTY --- Valve Core Quick Remover Installer sets are made by high quality brass alloy, last long.
  • easy to operate and install, strong sealing for durability and safety. We offter 12 months warranty, if it can’t work normally during the warranty time or any other question, please feel free to contact us, we will refund or reship for you without any reason....
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AutoWanderer Tool AC Gauges, AC Manifold Gauge Set for R134a R12 R22 R404a Refrigerant, Car AC Gauge Set Freon Charge Kit with 3FT Hoses Couplers & Adapter, Piercing & Self-Sealing Can Tap

  • ... (low): -30inHg to 250PSI, red gauge (high): 0 to 500PSI, Celsius unit and a build-in screw in dials for calibration. The sight glass is a good indicator of how fast the refrigerant is being added and status. Built-in calibration screws and a skip-free pointer allow for accurate measurement and real-time display of system pressure..
  • ✔【Refrigerant Charging Hose】: 3PC 3FT yellow,blue,and red hoses feature a 500 PSI working pressure and 2500 PSI burst pressure – ideal for standard refrigerants. ¼” SAE standard female brass fittings for convenient access to the system. 3 colors for easy recognition, red for high pressure, blue for low pressure, yellow for refrigerant bottle. Easy to operate and install,strong sealing for durability and safety.Necessary tools for HVAC,car air condition maintenance and coolant or Freon adding..
  • ✔【Durable Material & High Quality】: The A/C manifold gauge set freon recharge kit made of heavy duty forged brass, aluminum, PVC, and plastic is sturdy for long-time service and endurance. Each tool is designed and tested for strength, longevity and tightness. Easy to install and remove. Suitable for home air-conditioning, car automotive HVAC, safe and secure..
  • ✔【Satisfactory Customer Service】: AutoWanderer Tool ....
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Hilmor Service Hex Key Adapter for Straight Service Ratcheting Wrench, 1839046

  • RATCHET WRENCH ATTACHMENT: Pair with the Hilmor Straight Service Ratcheting Wrench when accessing hard to reach liquid and suction-based valves.
  • DURABLE CONSTRUCTION: Engineered to last with high grade steel alloy, heat-treated for maximum strength.
  • PRODUCT DIMENSIONS: Length: 0.4", Width: 0.4", Height: 2.1", Weight: 0.1 lbs.
  • PROFESSIONAL QUALITY: Hilmor AC Service Wrench Hex Key Adaptor made in the USA.
  • FITMENT: Compatible with 3/16” and 5/16” hex valves HVAC Valve Opener.
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Yellow Jacket 49017 Digital Refrigeration Gauge

  • 【Superheat and Subcooling Test&Pressure Leak Test】When refrigerant type is set and temperature clamps are connected to air conditioning pipes, HVAC gauges automatically read the degree of Superheat(SH) and Subcooling(SC). The higher the degree of superheat, the smaller the opening of the expansion valve (the refrigerant filling is less) can be determined. Calculate the pressure difference between the initial test pressure and the second test pressure to determine if the refrigerant is leaking..
  • 【Vacuum Pumping & Refrigerant Filling & Built-in 89 kinds of Refrigerant Database HVAC Manifold】Digital manifold gauge set can connect refrigeration equipment and vacuum pump for vacuum pumping operation. Vacuum pumping can make it easier to fill the refrigerant into the pipeline. HVAC gauges is built-in 89 kinds of refrigerant pressure&temperature database. Before you fill refrigerant, you can set different types of working refrigerants according to the car needs to fill..
  • 【Refrigerant Observation Window & Large LCD Digital Display & Multiple Unit Switching】When filling the refrigerant, you can observe the filling status of the refrigerant through the visible window. Equipped with large LCD display, clear data display and eas....
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iPower 6 inch Backdraft Shutter Damper Back Draft Blocker, One-Way Airflow Ducting Insert Backflow Preventer with 2 Inline Springs Loaded Folding Blades, 6\

  • Lightweight valve wings: The valve wings open under the pressure created by the airflow and then automatically close with the spring work. The backflow flap closes automatically at low air volumes. The Backdraft shutter is installed so that the damper blades open only in the outflowing air direction.
  • Keep away from rattling: It has an internal foam strip and a smooth-running spring to keep the valve wings from rattling. The position of the spring should be horizontal for horizontal installations so that it can open and close optimally.
  • One-way airflow ducting insert: Back-flow valve with 2 spring-loaded wings prevents the reverse airflow movement through the ventilation duct when the ventilation system is turned off.
  • Material: The 6 inch Backdraft damper is made out of a Galvanized steel, the flap leaves are made of aluminum, while the Axis and spring are made of stainless steel and can withstand temperatures from 14 to 140 °F.
  • Wide applications: Back draught valves can be inserted into ventilation ducts which are flexible or non-flexible. Designed for use with range hoods, bathroom fans, kitchen and other home HVAC applications. Essential for HVAC ventilation.
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LFU5B-Z3 3/4 - 3/4', Water Pressure Reducing Valve

  • Series LFU5B water pressure reducing valves are designed to reduce incoming water pressure to a sensible level to protect plumbing system components and reduce water consumption.
  • The LFU5B�s standard bypass feature permits the flow of water back through the valve into the main when pressures, due to thermal expansion on the outlet side of the valve, exceed the pressure in the main supply.
  • Standard construction includes Z3 sealed spring cage and stainless steel corrosion resistant adjusting cage screws for accessible outdoor or pit installations.
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iPower 4 inch Backdraft Shutter Damper Back Draft Blocker, One-Way Airflow Ducting Insert Backflow Preventer with 2 Inline Springs Loaded Folding Blades, 4", HVAC Extractor Fan Vent, Range Hoods

  • ...ition of the spring should be horizontal for horizontal installations so that it can open and close optimally.
  • One-way airflow ducting insert: Back-flow valve with 2 spring-loaded wings prevents the reverse airflow movement through the ventilation duct when the ventilation system is turned off.
  • Material: The 4 inch Backdraft damper is made out of a Galvanized steel, the flap leaves are made of aluminum, while the Axis and spring are made of stainless steel and can withstand temperatures from 14 to 140 °F.
  • Wide applications: Back draught valves can be inserted into ventilation ducts which are flexible or non-flexible. Designed for use with range hoods, bathroom fans, kitchen and other home HVAC applications. Essential for HVAC ventilation.
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4PCS 16CM U-type Magnetic Tip Screwdriver Anti-slip Repair Tool(1.7 2.0 2.3 2.6)

  • Versatile 11-in-1 Screwdriver / Nut Driver for the HVAC professional.
  • Includes unique style bit for installation/removal of common TR-4 Schrader valves and aggressive thread extractor tip for backing out broken cores.
  • Great for HVAC and other industrial applications.
  • Blast finish bit tips provide a firm hold and reduce cam out.
  • Contains: 3/16-Inch (5 mm) and 1/4-Inch (6 mm) slotted, #1 and #2 Phillips, 1/4-Inch (6 mm), 5/16-Inch (8 mm) and 3/8-Inch (10 mm) nut driver, #1 and #2 square, core removal/installation, core extractor.
  • Cushion-Grip handle for greater torque and comfort.
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RTMMFG Oxygen MAPP Torch Kit Portable Cylinder Metal Stand for Soldering Brazing Sparker Protection glass Extra nozzle Gas Cylinders Not Included

  • Advanced gas control system on handle makes it easy to precision flame , dual flashback arrestors..
  • For soldering, brazing and jewellery work. Applicating in HVAC and plumbing..
  • 360° rotation of torch tube is capable for various using environment. Temperature can reach 6432℉..
  • Super oxy blow torch with MAPP & OXYGEN. Lightweight & Portable. Suited for 14.1OZ MAPP and 1.4 oz Oxygen Fuel Cylinders..
  • Caution: Must close the valves on the cylinders when not in use! If you encounter the problem that the welding torch can not ignite, after the welding torch is installed, please adjust the flame valve and ignite when you hear the sound of outgassing. It will be your best partner at work. Please just feel free to contact us at any time..
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Draft Blocker 6 Inch - Backdraft Damper - Draft Stopper - Backflow Preventer - Vent Deflector 6 Inch

  • Back draft damper is made for insertion into inch ventilation ducts. The backflow damper RKI opens and closes automatically. It has a strong spring....
  • Damper has 2 valves, designed for use in air conditioners (AC), dryers, exhaust, extractor or range hoods, heating ducts, vents and other HVAC....
  • INSTALLATION: The backflow flap is installed by inserting it into the ventilation pipe until it stops. The position of the spring should be horizontal....
  • The backflow flap opens and closes automatically at low air volumes. It has a smooth-running spring and an internal foam strip to keep the blades from....
  • Back draught valves can be inserted into ventilation ducts which are flexible or non flexible. Cannot be used with plastic ducts as the sizes are....
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Diversitech Multi Head Fin Tool Straightens & Cleans HVAC Condenser & Evaporator Fins, T-100

  • REPAIRS HVAC CONDENSER AND EVAPORATOR FINS: Specially designed for straightening HVAC condenser and evaporator fins. Bent fins restrict proper and necessary air flow for an HVAC system.
  • IMPROVES AC SYSTEM EFFICIENCY: Ideal tool for removing debris that will accumulate over time in outdoor HVAC condenser fins.
  • 6 INTERCHANGABLE HEADS: The included comb heads are easily changed to use on all fin widths.
  • COMPACT DESIGN: straightener tool easily fits in a toolbox or storage compartment for quick & accessible use.
  • USE WITH OTHER CLEANING PRODUCTS FROM DIVERSITECH: Coil cleaner and deodorisers also available.
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