| RIV4NTH − | 
| RIV6 − | 
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                                                        10 year guarantee*
                                                        
                                                    
                                                     *Full terms & conditions here  | 
                                    
| 
                                                                     BS EN 14688:2006 | 
                                                        
| 
                                                                     BS EN 31:2011 | 
                                                        
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                                                    To order the correct tap hole configuration simply use NTH, 1TH, 2TH or 3TH at the end of the basin product code. |