The Watts Flowmatic FH4200NP34 is the correct housing unit that is compatible with the following filters:
The Watts Flowmatic 10" Filter Housing is designed with 100% Virgin Polypropylene that have a 3/4" FNPT inlet, outlet buttress threads and Viton o-rings. Also known as part number FH4200NP34, the Polypropylene construction of this Watts Flowmatic 10" Housing provides excellent chemical resistance with most acids, ammonia, oils, alcohol, plating solutions and many aggressive chemicals.
Watts Flowmatic 10" Water Filter specifications:
This Watts Flowmatic under counter filter housing is constructed with a thick wall and added ribs that makes this unit ideal for a wide range of applications. The maximum operating temperature for this 10" housing is 125 degrees Fahrenheit (52 degrees Celsius). The warranty under normal usage is for a period of one year.