



🚫🐭 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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