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Close-up of Hunter HK-44A quick coupler key showing the 1-inch Acme inlet and combination 1" male / ¾" female outlet for irrigation couplers.

Hunter HK-44A 1" Acme Quick Coupler Key for HQ-44-AW Valve

Brand: Hunter
Save 27%
$151.86
$110.10
SKU HK44A
In Stock (8)

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The HK-44A quick coupler key provides a precise replacement for Hunter HQ-44-AW quick coupler valves. Designed for irrigation professionals and maintenance crews, this key uses a 1" Acme inlet and delivers reliable engagement with compatible couplers and hose swivels for dependable field performance.

  • 1" Acme inlet; combination 1" male / ¾" female outlet for flexible hose connections.
  • Compatible with HQ-44-AW valves and pairs with HS-1, HS-2, HS-1B and HS-2B hose swivels.
  • Direct replacement key for Hunter HQ-44 series quick-coupler valves and related accessories.
  • Simple, tool-free operation: insert and turn to engage or disengage couplers quickly in the field.
  • Ideal for repairs, routine maintenance, and commercial or residential irrigation applications.
  • Meets Hunter quick-coupler interoperability recommendations to maintain pressure performance.

Keep an HK-44A on hand as a service part to minimize downtime and ensure fast, accurate connections when working on 1" quick coupler irrigation assemblies. Carrying a spare key on-site speeds repairs and helps keep systems operating at peak efficiency.

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Frequently Asked Questions

What valves and swivels does the HK-44A fit?
Fits HQ-44-AW quick coupler valves and pairs with HS-1, HS-2, HS-1B and HS-2B hose swivels.
What are the inlet and outlet thread sizes?
1" Acme inlet with a combination 1" male / ¾" female outlet, designed for HQ-44-AW couplers.
Can I use this key for irrigation repairs and maintenance?
Yes. It is a direct replacement for HQ-44-AW quick couplers and is ideal for field repairs and routine maintenance.