Valve assembly for plumbing fixture

Abstract From the Canadian patent

This invention provides a valve assembly which comprises three main body parts, which are removably secured together to permit ready assembly and disassembly. The structure incorporates into one unit, a diverter valve which is in the form of a ceramic cartridge made of a plurality of discs; a vacuum breaker or back-flow preventer which comprises a freely movable check valve 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 which is of conventionally known design. No integral guide means are associated with the valve. It operates smoothly and …