Cover in shock- proof thermoplasticMetal parts in iridium zinc steel. Moplen float. Adjustable level 50 ÷ 750 mm, obtained using the serial cables. With cables of different lengths is possible to get level differential of up to several meters. Counterweights coated in shock-proof, acid- resistant thermoplasticNylon rope to adjust level differentialsStorage and transport temperature: -25 ÷ 60°C. Unit weight: 1. 1 Kg. Electric featuresThree-pole switch, contacts in silver alloy. Direct control of the pump. In case of monophase motor only two poles are connected.