Alko 25Mm Non-Return Valve
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.
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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.
- Indispensable for garden pumps and domestic water systems
- Thread 1"
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