This float switch made of V2A stainless steel is reliable, easy to install and maintenance- and wear-free The switching contact locks at a water level of around 4 cm and activates the input of the water detection sensor. Simply turn over the float to reverse the switching function. https://elecena.pl/product/18631856/200941-mini-float-switch-stainless-steel-v2a 2021-05-31 https://elecena.pl/product/18631856/200941-mini-float-switch-stainless-steel-v2a 2022-06-14