Rule SuperSwitch Float Switch [37A] M450 They are fully solid state

They are fully solid state and operate silently

4187 Stainless Steel Ratchet Mount

BunkWrap Kit - Grey 16' x 2" x 6" Roll + 4 Caps + HRDW Roll + 4 Endcaps & Stainless Steel Hardware

This cable is intended for on/off control of BlueSolar or Smart Solar MPPT solar chargers with a VE

Rule SuperSwitch Float Switch [37A] M450 They are fully solid stateSuperSwitch Float Switch Now backed by a 5 year warranty, the non mercury SuperSwitch is designed for the toughest applications. Design includes marine grade 14 gauge blocked wire, larger float for increased buoyancy, removable base for easy servicing and a snap switch design capable of handling pumps drawing up to 20 Amps. WARNING: This product can expose you to chemicals including STYRENE which is known to the State of California to cause cancer.