Product details:

Type 3R (NEMA) or Type 4 (NEMA) enclosure allows use in indoor or outdoor applications Viton diaphragms allow use in fluid lines carrying chlorinated water, treated water, or other nonhazardous fluids low-flow operation on low-flow models actuates switch with less than 1.0 GPM (3.8 L/min) flow for water applications or 9.0 GPM (34.1 L/min) flow for steam applications Maximum fluid pressure of 290 psig (20 bar) permits use in a wide range of pressure flow conditions 'Flow Switch, Low Flow, Max. HP 1, Min. Flow Rate (GPM) 0.6, Max. Flow GPM 17, Flow Rate 0.6 gpm to 17 gpm, Connection Size (In.) 3/4 FNPT x 3/4 FNPT, Switch Enclosure NEMA 3R, Min. Ambient Temp. (F) -40, Max. Ambient Temp. (F) 140, Min. Fluid Temp. (F) -20, Max. Fluid Temp. (F) 250, Max. Pressure (PSI) 290, Switch Type SPDT, Contact Rating 16A @ 120VAC - Full Load, Body Material Plastic with Stainless Steel Paddle, Wetted Materials Viton, Voltage 24V-230V, Liquids For Use With'