CALL US WATER SYSTEMS - 1-800-608-8792

Return and Exchange Policy
At Flow-Max Filters, our goal is for you to be completely satisfied with your purchase. It is difficult to treat all returns the same due to the varying sizes and nature of the products, but our mindset is that we want to be fair to our customers. To that end, we treat people the way we like to be treated.

Any items received that you believe are incorrect, must be brought to the attention of the Flow-MaxFilters customer service department within 14 days of delivery in order for the incorrect parts to be replaced. This applies to either items ordered incorrectly by the customer or shipped incorrectly by Stenner Pump Parts. Any requests made after 14 days cannot be honored.

Flow-Max Filters wants to make returns as painless and hassle-free as possible

  • You can return a product for any reason within 365 days as long as the product is in its original box and in its original new and unused condition with all of its original parts and paperwork intact;
  • There will be no restocking fee if you return the product as indicated above. In other words, you will get a full refund;
  • Return shipping is the customers’ responsibility. If it is an expensive product, we would recommend an appropriate amount of insurance be purchased to cover any freight damages during the return. We recommend items be returned via UPS, FedEx, or insured parcel post for proof of delivery. Please be certain that items are secure in their packaging so damage does not occur while they are in transit back to our warehouse; and
  • Exceptions:
    1. We cannot take back parts whose plastic wrapping has been broken or if they are used;
    2. We cannot take back Special Order items;

Defective Merchandise

Defective merchandise will be refunded once approved from the manufacturer. We are not responsible for any labor costs, which occur as the result of the installation of wrong or defective parts, but will work hard to resolve the manner promptly. Customer Satisfaction is our number one goal so any problems that arise Flow-Max Filters Parts strives to satisfy the customer and resolve the situation quickly.

Flow-Max Filters is only responsible for replacement or refund of a defective item and is not responsible for any consequential or subsequent damages or claims arising from any defective product, under any circumstances.

UPS or Fed Ex Damaged or Missing Merchandise

Please be sure to inspect the package(s) thoroughly. Even if the box(es) looks damaged, the product may be absolutely fine, but don’t assume that. Open the box(es) and check it thoroughly. If it is indeed damaged, please refuse the shipping and either call us to start the replacement process or fill out the return form stating the item was damaged and a new one needs to be sent. We will arrange to have the damaged box(es) picked up and have a replacement shipped as quickly as possible. Flow-Max Filters will not be responsible for returns that do not follow this procedure.

All damaged or missing merchandise not requiring a signature that ships via UPS or Fed Ex that does not come on a skid or via Semi-Truck (Freight) must be claimed by end of business on the day that the item is delivered. If claimed same day you must send a picture of the original packaging and all the parts to A claim will be filed with the manufacturer and the situation will be resolved as quickly as possible. If the item is claimed after the day it was delivered claims will be much more difficult to process with no guarantee of replacement. Our primary goal is to ensure customer satisfaction which is why claims need to be made upon day of delivery. If you sign for the package, a claim needs to be made at the time of signing for the package. Please note on the drivers receipt any missing or damaged merchandise.

Freight & Pallet Shipments Damaged or Missing Merchandise

All damaged or missing merchandise that ships via Semi-Truck (Freight) or that is signed for at delivery must be noted on the drivers receipt upon delivery. Please mark what is missing or damaged on the drivers receipt before the driver pulls away. After marking the drivers receipt with what is missing or damaged take the package inside and take a picture of the original packaging, all the parts in the packaging and any visible damage and send it to It our primary goal to ensure customer satisfaction that is why any missing or damaged merchandise needs to be written on the Driver Receipt before the driver leaves. If the Drivers Receipt is not signed with the missing or damaged merchandise the claims will be much more difficult to process with no guarantee of replacement.


You can also cancel items that have not been shipped yet, unless it is a special order or custom item. To cancel an order that has not yet shipped, please email our customer service department immediately at Once an item or an order has been shipped it cannot be canceled, and you will have to process a general return.


We will notify you via e-mail of your refund once we have received and processed the returned item. Please note: we will refund shipping costs only if the return is a result of our error.

We will do our best to process the return quickly. Please allow 14-21 days for processing. Refunds will be credited to the original purchasing credit card account number only. If you paid by check please allow an additional 14-21 days for delivery of check via USPS. To begin processing a return, please call our customer service department.

Exchange Policy

The above Return Policy also applies to exchanges. We will apply the payment for your first order, minus original shipping and handling costs, to your second order as long as the second order is of equal or greater value. Note: The original order item(s) must be returned to us first.

Refused Shipments or Incorrect Address Policy

If you refuse delivery or provide an undeliverable address as your ship to address and your order is returned to us, you will be credited for the purchase price less a restock fee or 10% and original cost of shipping (even if order was processed with Free Shipping ). You may pay to reship your order after providing updates to your ship to address. Note: No refund will be available if the order was a special or custom order.

Special Order Items Policy

Special order items are not returnable for any reason other than freight damage or defective product.

Liability Limitation

Under no circumstances will Flow-Max Filters be financially responsible to cover the cost of water damage resulting from the improper installation, improper handling, neglect, not replacing filters according to recommended maintenance schedules, improper set up, failure to insure there are no leaks, or any other cause of water damage, including product malfunction or defect. There are no exceptions. We will however, try to work with you to resolve the problem as quickly and painlessly as possible.


All warranties are included on the product pages of our website for each specific product.