Genuine Reliance Water Controls pressure reducing valve, part number 95970352, used in Heatrae Sadia unvented water heaters and compatible with certain Ariston models. This in-line brass valve is pre-set to 3.5 bar, ensuring safe operating pressure for your hot water system. It helps protect the water heater from damage caused by excessive mains pressure. Features: • Brand: Reliance Water Controls • Part Number: 95970352 • Pressure Setting: 3.5 bar • Connection Size: DN15 (15 mm) compression • Material: Brass body with black finish • Operating Temperature Range: 5°C to 80°C (41°F to 176°F) • Height: approx. 11 cm • Width: approx. 6 cm • Country of Manufacture: United Kingdom Ideal replacement part for maintaining correct water pressure in unvented hot water systems. Fast dispatch from the UK.