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Small brass hydrant key with 5/16 inch square socket

Watts

Watts HY-1 Hydrant Key 5/16 In Sq Brass

SKU CH-D036-GAHWA MPN HY-1

A 5/16-inch square brass key operates Watts HY-420 and HY-725 wall hydrants

  • TypeDrain Components
  • Fits HY-420 and HY-725 wall hydrants with 5/16 inch square key
  • Brass construction resists corrosion in plumbing applications
  • Purpose-built hydrant key simplifies valve operation
  • Watts brand delivers reliable plumbing components
  • California Proposition 65 warning applies to this product

Wall-hydrant key for HY-420 and HY-725

This brass key fits Watts wall hydrants HY-420 and HY-725. It operates the valve stem on those specific models. The tool is designed for maintenance and operation of compatible outdoor hydrants. It is a direct replacement accessory for the listed hydrant series.

Verify your hydrant model before ordering

Confirm that the installed wall hydrant carries the model number HY-420 or HY-725. The key square measures 5/16 inch and will not engage other stem sizes. Check local regulations regarding Proposition 65 warnings for brass components. Ensure the hydrant brand matches the key specification.

Brass construction resists corrosion in outdoor use

The solid brass body withstands weather exposure on exterior wall hydrants. No additional software or accessories are included with this key. The product ships as a single tool ready for immediate use. California Proposition 65 notices apply to this item.

Highlights

  • Fits HY-420 and HY-725 wall hydrants with 5/16 inch square key
  • Brass construction resists corrosion in plumbing applications
  • Purpose-built hydrant key simplifies valve operation
  • Watts brand delivers reliable plumbing components
  • California Proposition 65 warning applies to this product

Specifications

TypeDrain Components
BrandWatts
ModelHY-1

Questions about this item

Does the box include the wall hydrant or just the brass key?

The package contains only the 5/16 In Sq brass key; the HY-420 and HY-725 wall hydrants are sold separately.

Which wall hydrant models does this key fit?

It is designed for use with the HY-420 and HY-725 wall hydrants listed in the specifications.

How does the 5/16 In Sq size affect operation on the hydrant?

The square drive matches the stem on the HY-420 and HY-725 hydrants, allowing direct manual operation without an adapter.

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