Polaris Vac-Sweep 280/3900 Sport Back-Up Valve Case Kit W7230310 - Genuine Pool Cleaner Spare Part
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The Polaris W7230310 Back-Up Valve Case Kit is a genuine replacement outer housing designed for the Polaris W7230308 back-up valve assembly. It fits pressure-side models such as the Polaris Vac-Sweep 3900 Sport, 280, 380, 180, and 480 PRO.
This kit includes the durable outer case and the collar, offering a secure, leak-resistant structure that protects the valve mechanism (sold separately).
Built to Polaris standards for a precise fit and lasting performance, the W7230310 case restores function and efficiency to your pressure cleaner’s navigation system.
Please Note: This kit includes the external housing and collar (W7230312). The valve mechanism (W7230309) is not included and must be purchased separately if needed.
See parts 56 in the diagram below.

| SKU | W7230310 |
|---|---|
| GTIN | 738919003668 |
| Barcode | W7230310 |
| Package Length | 25 cm |
| Package Width | 19 cm |
| Package Height | 9 cm |
| Warranty | 1 Year |
| Brand | Polaris |
| Model | W7230310 - Case Kit for W7230308 (3900S/380/280/180) |
| Product Type | Pool Cleaner Spare Part |
| Shipping Type | Standard |
Shipping
Same-day dispatch applies to orders received by 12.00 pm (AEST) during business days. Orders received after 12.00 pm and on weekends or public holidays will be dispatched on the next business day.
Delivery fees are $19.95 flat-rate per order Australia-wide, no matter how many products are in it. Orders containing bulky items like sand filters, acoustic boxes, heat pumps, pool covers, and pool slides may incur additional fees as they require specialized carriers.
Below are the estimated time to arrival in business days once an order is shipped.
| Destination | Sydney | NSW | VIC | QLD | SA | WA/NT |
|---|---|---|---|---|---|---|
| Business Days | 1 - 2 | 2 - 4 | 2 - 4 | 2 - 4 | 3 - 4 | 5 - 6 |
Rural and remote addresses, where delivery is not provided every day, may take longer.
Returns
Satisfaction Guarantee: If you are not satisfied with a product for any reason, you are welcome to return it to us for a full refund or exchange within 30 days of the purchase date - even if you have used the product. Returns are free, and we will cover return shipping.
We take full responsibility for the safe arrival of the products that you order from us. We will replace at our expense any product that arrives faulty, damaged during transit, or is the incorrect product. Click here for details
If you have any questions about our shipping policy or our return policy, please contact us on 1300 766 619 or through our contact us form.