Valve assembly for plumbing fixture

摘要

A valve assembly comprising three main body parts removably secured together to permit ready assembly and disassembly; one part (11) incorporating a diverter valve in the form of a ceramic cartridge made of a plurality of discs (20, 21, 22); a further part having a vacuum breaker or back-flow preventer (42) comprising a freely movable check valve (45) located in an inlet flow path, for travel between upper and lower valve seats in response to changes in atmospheric pressure and flow direction; and when desired a pop-up drain or waste control rod (15) having no integral guide means associated therewith and operating smoothly and reliably while being inexpensive and simple to manufacture. The assembly may be adapted to receive a decorative escutcheon which permits its use in a wide variety of applications.