(509) 545-4600

Frequently Asked Questions

Domestic Shipping Options & Charges

(You will receive a shipment confirmation email once your order has shipped containing your tracking number(s) and charges. The tracking number will be active within 24 hours)

Payment Methods

Tankmax accepts Visa, MasterCard, Discover and American Express. After filling out our online checkout form an invoice number will be generated and an order confirmation will be sent to you by email. At shipment a payment receipt will be sent to you with the merchandise. Please keep this payment receipt for reference in case of exchange or refund. The order confirmation that is provided online at the time of your order does not serve as your official receipt. The official receipt is the payment receipt that is mailed to you with the merchandise.

Sales Tax Information

Sales tax will be added to all sales at the destination's current rate unless exempt

Product Quality Guarantee

We guarantee all merchandise to be free of defects in materials and workmanship. If a problem occurs, we will revalue or replace the item at our option and to your satisfaction. This guarantee does not cover normal wear and tear. If you experience any problems with the quality of our products, please contact us at (509) 545-4600 and we will be happy to serve you.

Security of Your Personal Information:

Tankmax utilizes the latest security technology to protect your personal information. All information you submit to us is securely encrypted using industry standard SSL (Secure Socket Layer) technology. This process makes it extremely difficult for anyone else to access or decode the information. The information you provide us will remain confidential and will only be used for shipping and billing purposes.

You can tell when you're in a secure environment by the following signs: the URL to the left of the colon changes from "http" to "https" to symbolize that this site is using SSL technology and all SSL capable browsers display a symbol (usually a complete Key or Closed Lock) when operating in a secure environment. Our accounting system discards your credit card information except for the last four digits of your card after your transaction is complete.

Refunds & Exchanges

All refunds and exchanges will be gladly accepted when merchandise is returned in its original condition with a valid RMA number. Please contact us to obtain an RMA number if you are unsatisfied with your purchase for any reason. A credit for the amount of the product plus taxes will be issued to your account or on the credit card used on the payment receipt. A credit confirmation will be sent to you by email. There will be NO credit for the shipping and handling amount. Please send the merchandise and your original payment receipt to:

1206 E Lytle St.
Pasco, WA 99301

Please indicate whether you are returning or exchanging the product. If exchanging, indicate the replacement product of your choice. If returning product for refund, please reference the RMA number on the package or paperwork.