Limited Warranty for HDLPE Polyethylene Tanks

Canwest Tank & Ecological Systems Ltd. hereby guarantees all Polyethylene Tanks manufactured at our plant to be made with new raw materials, having UV resistant properties. We further guarantee all tanks to be free of defects and that in case of failure due to either material or workmanship; we will repair or replace the tank. This to be at the discretion of Canwest Tanks. The warranty is for a period of three (3) years, covering materials & workmanship.


 This warranty is given under the assumption that all specifications and instructions issued by Canwest Tanks concerning such matters but not limited to:

  • Installation procedures of above ground and below ground applications
  • Excavation specifications
  • Preparation of bedding
  • Backfill materials are strictly observed


The warranty does not cover any damage that may occur during transport, off-loading, storage, installation into excavation, back filling or any subsequent unauthorized / unintended usage resulting in failure of equipment and/or intended performance.


All equipment shipped must be visually inspected before off loading and any indications of damage must be reported to Canwest Tanks within 24 hours. 


In the event damage is evident or suspected, a tank shall not be installed / buried, until it has been assessed by Canwest Tanks’ personnel, or a representative appointed by Canwest Tanks & Ecological Systems Ltd.

Any repair or other corrective action being undertaken to a tank or any components included with tank or system, without the expressed consent of Canwest Tank may void warranty.

This limited warranty is issued by Canwest Tanks & Ecological Systems Ltd.to the original purchaser and is neither transferable to, nor enforceable by, any other person, corporation or entity other than the original purchaser.

This limited warranty and all implied warranties are limited in duration to three (3) years from the date
of delivery.


Accessories installed, including but not limited to Air Pump(s), U.V. Light(s) & Effluent Pump(s), Control Panel(s) and other such accessories, as well as in some cases Fittings, will be covered by the respective manufacturer’s warranty.

For any questions or issues not covered in this text, please contact Canwest Tanks & Ecological Systems Ltd.

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