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Front view of Toro 100-SLK quick coupling valve key, brass body showing 1" male pipe thread inlet and 3/4" female outlet.

Toro 100-SLK Quick Coupling Valve Key 1" Single-Lug

Brand: Toro
Save 27%
$167.79
$121.65
SKU 100-SLK
In Stock (1)

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The Toro 100-SLK quick coupling valve key is an OEM replacement designed to operate Toro QCV quick couplers. Compact and durable, it provides a reliable manual connection for 1" couplers and standard irrigation systems.

  • Fits Toro QCV series: 1" single-lug key designed for quick coupler valves.
  • Thread configuration: 1" male pipe thread (MPT) inlet with internal 3/4" female NPT outlet.
  • Durable brass body resists corrosion and repeated field use.
  • Manual operation — simple insert-and-turn key for valve engagement and service access.
  • OEM part number 100-SLK; compatible with standard 1" quick coupler installations.

Use the 100-SLK for routine valve access, winterization, and system maintenance. Inspect threads regularly, keep the key clean, and store it dry to extend service life. Confirm coupler thread types before installation to ensure compatibility.

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Frequently Asked Questions

What thread sizes does the 100-SLK key use?
It features a 1" male pipe thread inlet and a 3/4" female NPT outlet. Compatible with Toro QCV quick couplers.
How do I maintain the Toro 100-SLK key?
Rinse debris after use, inspect and lightly lubricate threads, and store the key dry to reduce corrosion.
Is the 100-SLK compatible with other quick couplers?
Designed for Toro QCV series; many couplers use standard 1"/3/4" threads but verify thread types before use.