Watts LFN36M1-1/2" Vacuum Relief Valve

Vacuum Relief Valve; Type Vacuum; Inlet Size 1/2 Inch; End Connection Male Threaded; Body Material Brass; Spring Material 302 Stainless Steel; Seal Material Buna-N; Disc Material Silicone; Temperature Rating 250 Deg F; Pressure Rating 200 PSI SWP; Inclusions/Features Low Profile Design, Protective Cap, Polypropylene Cover, Glass Filled Polysulfone Float; Application Low Pressure Steam and Water Service System, Domestic Water Heater and Supply Tank, Table Top Heater, Unit Heater, Steam Coil Heater, Jacketed Steam Kettle; Applicable Standard ANSI Z21.22, CSA (Canada and US), ISO 9001; Lead-Free; Venting Capacity 15 CFM