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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.
Any question?
If we still haven't answered your question, you can contact us below and we will get back to you as soon as possible.
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