Important Sizing Note - Most plumbing products are measured using BSP thread dimensions which measure 1/4 inch larger than that stated, therefore this 3/4 Inch BSP thread actually measures 1 Inch in diameter. If your thread measures 3/4 Inch in diameter then you require the 1/2 Inch version of this product This listing is for a Pack of 1 This 3 4 float valve is for use in high pressure systems, reduces water hammer and knocking and with a quick response on shut off and turn on This 3/4" Part 2 High Pressure Ballcock Valve is fully sealable under the higher pressure, maximum 16 bar, and high temperture This high pressure float valve is anti-corrosion and can be used with recycled water, Manufacturer: Primaflow