Sunstone Engineering Guarantee

Our goal at Sunstone Engineering is to make our products affordable, reliable, and long lasting. The following policies are to ensure customers are satisfied with Sunstone Engineering products.


Sunstone offers a 30-day return policy on all products. Before sending a product back please contact Sunstone to receive an RMA number. The RMA number should appear clearly on the outside of the package. Customers are refunded via check. Please note that a 10% restocking fee will apply to all returns. A 30% restocking fee will apply to all 3rd party products. Additionally, all 3rd party products must be insured when sent back to Sunstone at the buyers expense. In some cases, a merchant fee may apply. Equipment damaged by improper use or insufficient shipping precautions will be charged additional fees.


Sunstone Products come with a 1 year repair warranty*. Sunstone Engineering will repair all defects in craftsmanship without charge during this time period (excluding the cost of shipping). This warranty does not cover damage caused by improper use of Sunstone products. This warranty does not include consumable items, such as welding electrodes. Sunstone Engineering is dedicated to keeping our products operating at peak performance for years to come. Any repairs needed after the warranty period are performed at cost, typically in the range of $50 to $100 USD.

International Orders:

Sunstone Engineering is happy to ship products internationally. International customers should be prepared to pay their country’s customs, duties, and taxes. Also, international customers should be prepared to pay all shipping costs on any returns and repairs.

*The Orion line of pulse arc welders vary in coverage by type. Check with a representative for more information.