| Brand | Invena |
| Pack quantity | 1 |
| Valve type | Single |
| Product diameter | 43mm |
| Product length | 57mm |
| Product weight | 210g |
| Water regulations | PZH |
| Commercial/domestic | Commercial & domestic use |
| Connection type | British standard pipe parallel (BSPP) female |
| Demountable | Demountable & reusable |
The Swing Check Type Non Return Valve prevents water from returning to the source after being pumped away, the thread is 3/4" BSP female.
Invena 3/4 Inch Clack Non-Return Valve Brass Swing One-way Check Valves
£17.99
From DIY at B&Q
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