Echo · Replacement part

Check Valve A356000031

4.8 · 49 buyer ratings on the source catalog

A356000031No photo on file
Match this part by its number, not by appearance.

Reference price$9.49

Catalog price as of 2026-05; not a live Amazon price.

Check price on Amazon

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Part number
A356000031
Brand
Echo
Fits
4 models
  • Fitment checked against 4 models
  • Purchase, shipping and returns handled by Amazon
  • Free reference data: RepairKitHub does not sell parts

Does it fit your appliance?

Find it on the data plate inside the door or lid. It is not the serial number.

About this part

A356000031 is a Echo replacement part (check valve). Our fitment data lists 4 models that use it.

Symptoms this part fixes

  • Clogged
  • If the vent is

How to confirm it has failed

Symptom: A small mechanical or mounting part has failed, cracked, or gone missing.

Check: Compare the physical shape and mounting points to the original piece, and confirm the exact part number against your model plate before ordering.

Models that use this part

All 4 confirmed models for this part.
ModelBrandApplianceParts on file
7222Mantis—97
7222EMantis—83
7225Mantis—82
CS-300Echo—27

Before you order

  • Match the part number character for character, including dashes and trailing letters; a single different character is usually a different part.
  • Confirm your appliance's model number on its data plate and check that it appears in the list above (or use the model lookup tool).
  • If a seller offers a substitute number, check that it appears in this page's replacement list or in the manufacturer's documentation.

Model lookup tool

Frequently asked questions

Which models does A356000031 fit?

Our fitment data lists 4 models that use A356000031, including 7222, 7222E, 7225. Enter your model number in the fit checker on this page to confirm.

What symptoms point to a failed check valve?

The source catalog links this part to these symptoms: clogged, if the vent is.

How much does A356000031 cost?

The catalog price on file is $9.49 (as of 2026-05). The current Amazon price can differ, so check it before you order.