Support & Service

After Service

Limited Warranty

This product has been manufactured using highly-advanced techniques and subjected to strict quality control.
Please be sure to use the product in accordance with instructions on the manual and the label attached to it.
Yoshitake warrants the product to be free from any defects in material and workmanship under normal usage for a period of one year from the date of receipt by the original user, but no longer than 24 months from the date of shipment from Yoshitake’s factory.

Parts Supply After Product Discontinuation

This product may be subject to discontinuation or change for improvement without any prior notice.
After the discontinuation of the product, Yoshitake supplies the repair parts for 5 years otherwise individually agreed.


This warranty does not cover the damage due to any of below:

  1. Valve seat leakage or malfunction caused by foreign substances inside piping.
  2. Improper handling or misuse.
  3. Improper supply conditions such as abnormal water pressure/quality.
  4. Water scale or freezing.
  5. Trouble with power/air supply.
  6. Any alteration made by other than Yoshitake.
  7. Use under severe conditions deviating from the design specifications.
  8. Fire, flood, earthquake, thunder and other natural disasters.
  9. Consumable parts such as O-ring, gasket, diaphragm and etc.

Yoshitake is not liable for any damage or loss caused by malfunction or defect of the product.

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