Special unitized construction: seat, dish and Stem assembly and Strainer screen all as one unit for complete replacement stainless steel seat & integral Strainer high temperature resisting diaphragm for hot or cold water, maximum temperature 180a DegreeF suitable for supply pressure to 250 lbs. Adjusts from 25 to 75 lbs. Factory preset at 50 lbs. - manufacturer: watts water technologies - country of manufacture: United States - manufacturer part number: 121241.