What Adapter For

What size are washing machine hoses?

Washing machine hoses are 3/4" female hose thread at both ends, one hot and one cold. They fit the same thread as a garden hose, but use hoses sold for washers.

What fits

Washing machine hoses: 3/4" FHT x 3/4" FHT

On the package: 3/4 in. Female Hose Thread x 3/4 in. Female Hose Thread

female hose thread both ends, one for hot and one for cold

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  • Turn both washer valves off first.
  • Washer valves have male garden hose thread, so the hoses have female hose thread at both ends. BrassCraft sells them in 48, 60 and 72".
  • Hand-tighten, and tighten further only if it leaks. No thread sealant. The washers seal.

It’s the same thread as a garden hose, but use hoses sold for washing machines. BrassCraft’s carry hot and cold water and are rated to 125 psi.

More: Hose thread vs pipe thread

Where we get our information from

The sizes on this page come from published standards and the makers’ own documents. Checked against published data from BrassCraft.

See all 2 sources
  • BrassCraft, washing machine connector BL12-WA
  • BrassCraft, installation instructions for connectors (425.10, 425.07, B0120IMB) and water supply stops (425.04)

General guidance from manufacturer and standards data. Parts vary by brand, so check the size printed on the package against what you measured. For gas lines or anything inside a wall, use a licensed plumber.