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Close-up of Hunter HK-44 quick coupler key showing 1" stainless lug inlet and 1" male / 3/4" female outlet.

Hunter HK-44 Quick Coupler Key for HQ-44, 1" Inlet

Brand: Hunter
Save 27%
$143.31
$103.90
SKU HK44
In Stock (27)

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Built for in-ground quick-coupler systems, the Hunter HK-44 Quick Coupler Key (SKU: HK44) fits standard 1" quick-coupler valves. It features a 1" stainless lug inlet and a combination 1" male / 3/4" female outlet engineered for reliable connections with HQ-44 valves and common hose swivels.

  • Compatibility: Designed for HQ-44 valves and HS-1, HS-2, HS-1B, HS-2B swivels — ensures interchangeability across standard Hunter quick-couplers.
  • Inlet & Outlet: 1" single stainless lug inlet; combination 1" male / 3/4" female outlet for flexible hose and adapter connections.
  • Durability: Stainless lug inlet provides corrosion resistance and a precision mating surface to minimize leakage and wear in frequent-use installations.
  • Serviceable Design: Simple insertion and removal offers fast water access for maintenance without special tools or system depressurization.
  • Part Information: Manufacturer SKU HK44 with downloadable Hunter specification sheets and pressure-loss charts for contractors and installers.
  • Applications: Ideal for residential and commercial irrigation, golf courses, and landscape maintenance programs requiring secure, reliable quick-coupler access.

Keep an HK-44 key available for crews and sites that use HQ-44 quick couplers. For full technical details, pressure-loss data, and installation notes, refer to Hunter's technical documentation or contact our product specialists for sizing and compatibility guidance.

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Frequently Asked Questions

What valves and swivels is the HK-44 compatible with?
The HK-44 fits Hunter HQ-44 valves and works with HS-1, HS-2, HS-1B, and HS-2B hose swivels.
What are the inlet and outlet sizes on the HK-44 key?
The key has a 1" single stainless lug inlet and a combination 1" male / 3/4" female outlet for flexible connections.
Can I use the HK-44 for commercial irrigation systems?
Yes. The HK-44 is suitable for residential and commercial irrigation, golf courses, and maintenance programs using HQ-44 quick couplers.