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Description
The Mastercool 90430 is a 1/4″ FFL × 1/4″ MFL swivel ball valve for fast isolation at the hose end. Add it to manifolds, recovery lines or custom rigs to stop flow with a simple quarter-turn — fair dinkum time saver for Aussie fridgies.
Key Features & Trade Benefits
- 1/4″ FFL × 1/4″ MFL swivel — fits common hoses and service gear; easy orientation without twisting lines.
- Manual lever shut-off — precise, one-hand control for cleaner connect/disconnects and less loss.
- EPA-focused use — place near the hose end to minimise venting during service (no hose supplied for custom setups).
- Brass body, service-ready — built to cop daily site abuse; long life with proper gasket care.
- Swivel design — reduces strain at the connection and helps keep seals happy — too easy on tight installs.
Why This Product Matters
Real-world: on a windy Sydney roof, the tech flicked the valve shut before cracking the fitting — no puff, no mess, straight back to readings. Minutes saved, fewer call-backs. If you’re building a clean, vent-safe setup, this little unit earns its keep. For more options, check our control valves.
Pro Tip
Run a shut-off within ~300 mm of the hose end, then change over tools with the system sealed. Pair it with fresh hose gaskets to keep micro-leaks at bay — she’ll be right.
Compatibility & System Info
- Connections: 1/4″ female flare swivel × 1/4″ male flare (≈ 6.35 mm).
- Use cases: add shut-offs to manifolds, recovery machines, flushing equipment or custom hoses.
- Hose not included: select length/grade to suit your job and standards.
Local note: From humid Brisbane plant rooms to hot coastal installs, a hose-end shut-off keeps sites tidy and jobs moving — no worries.
What’s Included
- 1 × Mastercool 90430 swivel ball valve (1/4″ FFL × 1/4″ MFL).
Specifications
| Brand / Model | Mastercool 90430 |
| Size | 1/4″ FFL × 1/4″ MFL (≈ 6.35 mm × 6.35 mm) |
| Type | Manual shut-off swivel ball valve (less hose) |
| Body | Brass |
| Use | Add shut-offs to manifolds, recovery/charging lines, flushing rigs |
| Compliance note | EPA-focused placement near hose end to help avoid venting during service |
Specs confirmed via Mastercool product page and HVAC Shop listing.
Warranty & Returns
Covered by HVAC Shop’s standard warranty & returns when installed by licensed technicians. Follow Australian refrigerant-handling and WHS requirements.
FAQs
Will it fit my hoses and manifold?
Yes. It’s 1/4″ flare female swivel to 1/4″ flare male — the most common legacy connection.
Is a hose included?
No. It’s supplied as a valve only so you can build custom setups.
Can I use it on R410A/R32 systems?
Many newer hoses/ports are 5/16″; use an appropriate adapter or a 5/16″ valve if required. See our control-valve options.
Related Products
- Mastercool Manifold Gauge Sets — helpful if you’re refreshing hoses and want clean, precise control at the rig.
- Imperial Hose Seal Gaskets — a simple add-on to stop micro-leaks and reduce call-backs.
- Mastercool High-Pressure Hoses w/ Valves — handy when you want valve control at both ends.
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