Robinair’s 42170 Mini Split Service Kit is a purpose-built toolkit for installing and servicing mini-split systems with speed and accuracy. Designed for tradies who want tidy flares, correct torque, and fewer call-backs, it keeps everything in one blow-moulded case—no worries if you’re bouncing between jobs.

Key Features & Trade Benefits

• Single-valve R410A manifold gauge — Quick checks on minis with less bulk, so you move faster between indoor/outdoor units.
• Custom-length high-pressure hoses (457 mm blue, 914 mm yellow) — Reduces unnecessary charge volume by up to 20%, helping accuracy and recovery speed on site.
• Eccentric cone flaring tool — Produces uniform, R410A-ready flare walls for a proper seal and leak-free results.
• Metric torque wrench set (17, 22, 24, 26, 27, 29 mm heads + handle) — Hit manufacturer torque every time and stop over-tightening and cracked flares cold.
• Metric ball hex keys (1.5 mm–10 mm) — Handy for panel work and service valves without running back to the van.
• Tubing cutter (3.2 mm–28.6 mm O.D.) + reamer — Clean, burr-free copper prep for stronger flares and fewer leaks.
• Valve core removal tool + adapter + 6-in-1 screwdriver — Keep the workflow smooth when you’re juggling gauges, lines and electrical.
• Protective blow-moulded case — Visual inventory so nothing gets left behind—fair dinkum time-saver at day’s end.

Why This Product Matters

On a sweaty Brisbane arvo, you don’t want to redo a flare because the torque was off. This kit standardises the critical steps: precise flare, correct torque, quick manifold checks. One local tech told us he cut his mini-split install times by a solid chunk just by having all the flare and torque gear in the same case—bloody good for avoiding call-backs on R410A minis. For full specs and kit composition straight from the manufacturer, see the official brochure.

Need more general tools? See our HVAC tools collection for diagnostics, hand tools and service gear.

Pro Tip

Deburr inside and outside the tube after cutting, then add a tiny drop of refrigerant oil to the flare face before tightening. Use the included torque heads to meet OEM specs—she’ll be right the first time. If you’re switching refrigerants across different brands, consider a multi-refrigerant digital manifold for accuracy.

Compatibility & System Info

• Best for mini-split systems using R410A flare connections (manifold scale is R410A).
• Flaring tool works with common copper sizes used on mini-splits (follow manufacturer tube size and torque specs).
• For R32 or mixed fleets, pair this kit with a digital manifold for multi-refrigerant accuracy.

Local note: Rooftop work in Sydney summer or humid patios up north demand consistent torque—this kit keeps results tight and repeatable in 40°C heat and sticky conditions.

What’s Included

• R410A single-port manifold gauge
• Blue hose 457 mm (18") & yellow hose 914 mm (36")
• Metric torque wrench set: 17, 22, 24, 26, 27, 29 mm heads + torque handle
• Metric ball hex “L” keys: 1.5 mm to 10 mm
• Tubing cutter: 3.2 mm–28.6 mm O.D.
• Tubing reamer
• Eccentric cone flaring tool
• Valve core removal tool + adapter
• 6-in-1 screwdriver
• Blow-moulded carry case

Kit composition and feature list per manufacturer.

Specifications

Specs validated against the official brochure.

Warranty & Returns

Backed by the manufacturer’s warranty. For change-of-mind or faulty item returns, please refer to our store returns policy at checkout. Keep your proof of purchase and retain packaging to speed up processing.

FAQs

Related Products

• Fieldpiece SM380VINT 2-Valve Digital Manifold — Helpful when you’re working across R410A/R32 fleets and want logged data.
• Robinair 15501A-E-A2L 128 L/min Vacuum Pump — Pairs with this kit to evacuate systems quickly and cleanly.
• Torque Wrench Sets Collection — Expand your sizes or replace worn heads for consistent, spec-grade connections.