Mastercool

  • Mastercool 3/4 in NPS Fx1/4 MFL Refrigerant Tank Adapter Bottle Connector
    £9.05 £7.54
  • Mastercool Deluxe Clutch Hub Puller and Installer Kit
    £132.37 £110.31
  • Mastercool Charging Adapter Repair Kit.
    £56.09 £46.74
  • Mastercool R12/r134a Valve Core Repair Kit Replacement Valve Cores for Valve Core Removers & Installers.
    £74.96 £62.47
  • Mastercool Automotive R12 and R134a O-Rings
    £41.33 £34.44
  • Mastercool Standard Valve Core Remover and Installer
    £35.89 £29.91
  • Mastercool Valve Core Remover
    £39.66 £33.05
  • Mastercool Universal Valve Core Remover and Installer
    £65.95 £54.96
  • Mastercool Refrigerant Charging Hose Full Flow 3/8 180cm
    £30.62 £25.52
  • A Mastercool 4-way manifold gauge set with two large pressure gauges (blue for low side, red for high side) and four labelled valves (LOW, VAC, REF, HIGH). The set includes four hoses (blue, red, yellow, and black) coiled around the manifold, with brass f
    £226.03 £188.36
  • A Mastercool 96272-MB-E 4-way manifold gauge set with two large gauges (blue for low side, red for high side) displaying pressure readings in PSI and bar, labelled for R134a, R404A, and R22 refrigerants. The manifold has four labelled ball valves (LOW, VA
    £196.44 £163.70
  • Mastercool R134a Low Side Octagon Service Port Socket
    £10.58 £8.82
  • A Mastercool 98230 Charging Solenoid Module is shown with its accessories. The black module has labelled inlet and outlet ports, a USB cord, and two brass adapters with a short red hose. Warning labels and operating instructions are printed on the module,
    £206.41 £172.01
  • Mastercool Electronic Refrigerant Gas Bottle Tank Heater Blanket 220v
    £172.25 £143.54
  • Mastercool Smartcharge Programmable Weighing Scale 98300-220
    £585.53 £487.94
  • A black Mastercool 98315 Wireless Refrigerant Charging Scale with a solenoid is shown alongside its handheld remote. The scale has a circular platform with a textured surface, a power button, and a SYNC button with LED indicators on the front. The remote
    £426.29 £355.24
  • Mastercool Deluxe R134a/R1234yf Conversion Kit
    £115.09 £95.91
  • Mastercool 99926-BT Spartan 2-Way Smart Manifold, a black HVAC diagnostic tool with a 4.3” colour touchscreen LCD displaying 'Spartan Smart Manifold' and the Mastercool logo, featuring a green power button, blue and red valve knobs with the Mastercool log
    £557.35 £464.46
  • A Mastercool Spartan Smart Manifold device is shown, featuring a digital display with two pressure gauges (7 bar and 14.3 bar) and temperature readings (15.6°C SAT TEMP, 23.9°C CH TEMP). The device has blue and red valves, two clamp probes, and a power bu
    £619.86 £516.55
  • A Mastercool Spartan 4-Way Smart Manifold is displayed in front of its black plastic carrying case. The manifold features a digital touchscreen showing pressure and temperature readings, with blue, red, yellow, and black knobs and fittings. Included acces
    £640.68 £533.90
  • Mastercool Spartan 4-Way Smart Manifold 99943-BT with Bluetooth, including digital display, blue, red, and yellow hoses, K-type thermocouple clamps, and a black carrying case, ideal for HVAC diagnostics on airconspares.com.
    £703.19 £585.99
  • Mastercool Digital Vacuum Gauge with Bluetooth
    £223.99 £186.66
  • Mastercool High-Side Standard R134a Economy Automotive Coupler
    £18.85 £15.71
  • Mastercool 66534-R Low-Side Standard R134a Economy Automotive Coupler
    £19.85 £16.54

Mastercool equipment and tools for HVAC engineers

Trusted by HVAC professionals across the UK, Mastercool delivers robust, reliable tools built to last. From deep vacuum pumps to precision manifolds, Mastercool's tools are made for engineers who demand accuracy, durability, and performance.

At AirConSpares.com, we stock one of the UK's most comprehensive ranges of Mastercool HVAC tools, all available with next-day delivery and backed by over 30 years of industry experience.

Explore our extensive Mastercool range

Mastercool tools cover every step of the installation and service process, whether commissioning a heat pump, recovering refrigerant, or prepping copper pipe. Shop:

The Mastercool difference for HVAC engineers

  • Built for HVAC engineers - Mastercool tools are designed specifically for refrigeration and air conditioning professionals, delivering the precision and durability needed for everyday site work.
  • Industry-leading accuracy - Whether pulling a deep vacuum, measuring micron levels, or creating a perfect flare, Mastercool tools give you results you can trust.
  • Complete system support - From installation to diagnostics and recovery, Mastercool covers every part of the HVAC process with reliable, well-engineered equipment.

Why buy Mastercool refrigerant equipment from AirConSpares.com?

As an authorised UK stockist, we offer genuine Mastercool products with full manufacturer warranties, competitive trade pricing, and technical support from HVAC experts. With everything you need in one place and most items ready for next-working-day delivery, we make it easy to get the job done right the first time.

Get all your Mastercool tools from AirConSpares.com for:

  • Trade-trusted performance - Built to withstand real-world site conditions
  • Precision engineering - Accurate readings, clean finishes, compliant results
  • Comprehensive coverage - Tools for every stage of HVAC and refrigeration work
  • UK stock availability - All Mastercool products ready for next-day delivery