for surface mounting for battery operation, with stop valve, 6 V solenoid valve in cartridge technology with prefilter, incl. 9 V alkaline battery, flush pipe 18 x 200 mm, internal connector, test mark PA-IX 8952/II, flow pressure 0.5-5 bar, flush flow: 0.3 l/s according to DIN EN 12541, flushing time 2-15 s, stagnation flushing every 24 h after last flushing, body completely made of brass, noise class II (DIN 4109)