F3S WC flush valve for in-wall installation

F3S WC flush valve DN 20 as a finished installation kit for in-wall installation in the basic installation kit, for wall-mounted toilet bowls, fitting group 1. Especially suitable for facilities at risk of vandalism. Self-closing upper component hydraulically controlled, piston-free design, automatic and backlash-free closing. Automatic flush flow regulation and adjustable flush water volume. All-metal construction, visible parts polished chromium-plated. Stainless steel cover plate 190 x 245 x 2 mm, mounting from the front with safety screws, pre-mounted push-button actuation. Hydraulic control lines and mounting material. Depth adjustability 20 mm.