This Bristan Shower Valve Adjustable Pipe Centres - Adjustable Elbows Meaning this shower will replace Showers with 110mm centres, 130mm centres as well as the industry standard 150mm...any anything inbetween! Rio Thermostatic Surface Mounted Shower Valve with Adjustable Riser Chrome - 15mm inlet connections. Easy replacement with adjustable inlets so you can use on existing pipework centres between 110mm and 155mm. Thermostatic cartridge with preset temperature stop at 42°C. TMV2 thermostatic control for a higher level of performance and protection. Supplied with 1 x 7L/min and 1 x 5L/min flow regulators. Bristan Rio Shower Features Dual control - Flow temperature are controlled separately giving accurate control of both. Thermostatic cartridge maintains showering temperature to +/- 1 degrees by compensating for changes in the incoming water temperature and pressure providing a stable outlet temperature. Factory set to a maximum of 43 degrees to eliminate the ability to select an