


🚫🐭 Keep your plumbing clean and critter-free with McAlpine’s ARB-1 Barrier Valve!
The McAlpine ARB-1 Anti Cross-Flow and Rodent Barrier Valve is a compact, black rubber valve designed to prevent cross-flow in back-to-back WC pans and block rodent entry through WC connectors. Certified to BS EN 12056-2:2000, CE, and RoHS standards, it installs easily in both horizontal and vertical orientations and fits any McAlpine 4"/110mm WC connector with a rubber outlet seal, ensuring hygienic and pest-free plumbing systems.










| Manufacturer | McAlpine |
| Part Number | ARB-1 |
| Product Dimensions | 6.4 x 11.3 x 11.3 cm; 80 g |
| Item model number | ARB-1 |
| Colour | Black |
| Material | Rubber |
| Item Package Quantity | 1 |
| Number of Pieces | 1 |
| Measurement System | Metric |
| Certification | BS EN 12056-2:2000, CE, RoHS |
| Included Components | 1 x valve |
| Batteries included? | No |
| Batteries Required? | No |
| Item Weight | 80 g |
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