Product ID 110648
A Non Return Valve permits the flow of water in one direction only. The addition of a Non Return Valve between your water tank and your water pump is recommended for all installations where a water pump is being connected directly to a tank.
![al-ko-german-engineered.png](https://images.squarespace-cdn.com/content/v1/5bcfd5268d97405bf73d6e54/1540421490168-PO6B1FSNY0B52LPFAABN/ke17ZwdGBToddI8pDm48kHxZW8G9yQIB8WDax7xpbxxZw-zPPgdn4jUwVcJE1ZvWhcwhEtWJXoshNdA9f1qD7Wt5K3jmsiBpJAJjNxwpFT48K2g_wJ5Tvrry30-swdfDUdj1yWJm5f7xpqDxWrxJCQ/al-ko-german-engineered.png)
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A required accessory when installing all HW pumps and some Jet pumps. Allows the water to flow in a single direction only, maintaining pressure in line or pressure tank.
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Indispensable for garden pumps and domestic water systems
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Thread 1″