Single Check Valves
![Single Check Valves](https://www.stevensonplumbing.co.uk/images/cache/Plumbing/Valves/22mm_single_check_valve.800.jpg)
Single check non return valves with internal spring loaded mechanism. They can be installed in a horizontal or vertical position.
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Single check non return valves with internal spring loaded mechanism. They can be installed in a horizontal or vertical position.
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