Customer Service - 02 49 54 75 11
Free shipping on All Orders. No Minimum Purchase
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Customer Service - 02 49 54 75 11
Free shipping on All Orders. No Minimum Purchase
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Free standard shipping on orders over $99
Estimated to be delivered on 12/01/2022 - 15/10/2022.
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
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Poolstore 50mm Dome Top Hydrostatic Relief Valve C/W O' Ring
🟦 PRODUCT FACT SHEET
Product Name: Poolstore 50mm Dome Top Hydrostatic Relief Valve
Includes: Valve with O-Ring
Application: Pool Floor Drainage Protection
The Poolstore 50mm Dome Top Hydrostatic Relief Valve is designed to protect in-ground pools from structural damage due to groundwater pressure. Installed in the main drain or sump, this valve automatically opens to release rising underground water, preventing lifting or cracking of the pool shell. Supplied complete with a sealing O-ring, the unit ensures a watertight fit and long-term reliability.
🛡️ Groundwater Pressure Relief – Prevents pool shell damage
🔘 Dome Top Design – Minimises blockage and allows for smooth water relief
🔩 50mm Fitting Size – Compatible with standard pool floor plumbing
🧰 Includes O-Ring – Provides secure, watertight seal
⚙️ Automatic Function – Opens under pressure, closes when pressure subsides
🧪 Resistant to Chemicals & UV – Built for long-term durability in harsh conditions
| Specification | Detail |
|---|---|
| Fitting Size | 50mm |
| Top Type | Dome |
| Included | Hydrostatic Valve + O-Ring |
| Material | UV-Stabilised PVC or ABS |
| Application | Concrete and Fibreglass Pools |
| Mounting Location | Pool Floor / Main Drain / Sump |
Install in the lowest point of the pool or sump
Ensure firm connection to 50mm plumbing
Apply suitable lubricant to O-ring before insertion
Check for debris under valve seat during maintenance to ensure proper sealing
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.
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