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 unsafe temperature - this can be adjusted to suit user preference. Supplied with 1.5m shower hose riser rail hose retainer and single function handset with rub clean nozzles. Supplied with a longer pair of elbows to give maximum inlet centre of 155mm. Chrome plated. Swivel inlet elbows with 110-155mm inlet centre. Valve can be fed from top bottom or rear. Comes with a 5 year manufactures warranty. Elbows can be adjusted for exposed pipework running up and down the wall at the wide range of centres mentioned above. Bristan Mini Mixer Valves - The Ultimate Replacement Showers Each Bristan Mini Valve comes with 2 sets of elbows allowing you to replace almost any shower mixer valve which has centres or 110mm or 155mm or anything inbetween! Choose the correct elbow configuration to suit your Inlet centres: 2 x small elbows 110-130 centres 2 x large elbows 136-155 1 small elbow / 1 large elbow 125-145