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Return Merchandise Policy and Procedure


All new products manufactured by Yankee Environmental Systems, Inc., (YES) are warranted by YES to be free from defects in materials and workmanship under normal use and service for one (1) year from the date of shipment unless otherwise specified. Batteries, interference filters and CCD detectors are not warranted. YES will repair or replace (at YES's option) defective parts. All products or accessories resold by YES are covered by their respective manufacturer's warranty, included separately. The customer shall assume all costs of removing, reinstalling, and shipping defective parts to YES. This warranty shall not apply to any YES products that have been subjected to modification, misuse, neglect, accidents of nature, or shipping damage. This warranty is in lieu of all other warranties, expressed or implied. YES is not liable for special, indirect, incidental, or consequential damages.


  • Final decision of warranty status and pricing for repair of any instrument cannot be made until the unit is returned for evaluation.

  • The customer is responsible for shipping charges to and from our Turners Falls, MA, USA factory for repairs, including those covered under warranty. YES reserves the right to specify insurance and any special handling requirements for such shipments.

  • Repairs, service, and calibrations are warranted for thirty (30) days after shipment from the factory.  This is inclusive of any transit time.


  • Under no circumstances should instruments be returned to YES without first obtaining an authorization # (RMA#) from YES.

  • Please include with the returned instrument documentation stating the reason for return and describing any symptoms, failure modes, suspected causes of damage, diagnostics performed, plots of data collected, data files, etc. and also indicate if you’ve consulted YES Tech Support.

  • Packaging of the instruments: Instrument(s) should be packaged in their original shipping containers. In lieu of this, they should be very carefully packaged in containers suitable to protect them during transit. Note that damage caused during shipping will not be repaired under warranty.

  • Marking of packages: All boxes and documents must be clearly marked with the RMA# issued by YES. The “ship to” address for all returns and special instructions for international shipments are defined below.

  • Insurance: Each instrument being returned should be insured for the full cost of replacement by YES. If you are uncertain of the value for which to insure an instrument, contact YES Customer Service.

  • Payment for shipment: All instruments returned to YES must be shipped with freight prepaid by the sender. YES will not accept COD or freight collect shipments.

  • Freight carriers: All international shipments of instruments back to YES shall be made via DHL Airfreight Services (DHL). Use of any carrier other than DHL for international return shipments requires approval IN ADVANCE from YES. YES recommends that domestic return shipments be made via United Parcel Service.

  • Ship to Address: Send ALL return shipments to:

Yankee Environmental Systems Inc.
101 Industrial Blvd. Turners Falls, MA, 01376,USA
Attention: Returns Dept. RMA#_______

  • For International Shipments:

    • Include the following information with your shipment:

      • AWB consigned to YES, Inc., value $150 (this value for customer purposes only,insure packages for full replacement cost)

      • A commercial invoice including the following statements:

      • “US goods returned for (warranty, if applicable) repairs. Temporary import, will be re-exported upon completion of repairs”.

      • "Goods initially exported from USA on (date) under DHL (or other carriers name) airway bill number xxx.”

    • Carrier must deliver items directly to the address shown above ("door-to-door" service). Do NOT ship to a “USA port of entry”.

    • Customer is responsible for all customs, duties or taxes applicable to the RMA.

    • Fax or e-mail a copy of customs registration number, airway bill and any other related documents to: 413-863-0255 or info@yesinc.com attention Customer Service and please reference the RMA# on your fax or e-mail.


  • Delivery (turnaround) times will vary according to the type of instrument and other factors. Delivery time is the time from which lead-time begins until the job will be ready to ship from YES and is not inclusive of weekends or holidays. Customer service will provide an estimated delivery date, however this date is only an estimate and is subject to change upon evaluation of the returned instrument.

  • Repair work and lead-time will begin upon receipt of instrument and (for non-warranty work) Purchase Order or credit card information.


  • Delivery times are estimates and are stated on quotes. Delivery can vary according to the time of year, product and overall manufacturing demand. Plan ahead. Delivery time is the time from which the purchase order is received until the system is ready to ship from YES. 

  • Note that whether or not your organization is extended Net credit terms, purchase order termination "at convenience" is not permitted under any circumstances. 

If you have any questions about these terms please contact info@yesinc.com These policies are subject to change without notice. (This is RMA policy revision B .doc, 11/2005)



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This page was last updated on Monday, September 11, 2006 .