Copper-Fin II 501-2071 Relay/Louver - 10 Amps sign-type_Plastic backwash according to the manufacturer

backwash according to the manufacturer instructions and resume filtering

This 14 inch vertical PVC valve is a float-operated valve with throttling capabilities that will cycle as required

The female threaded side of this adapter will only connect to a 2 inch male National Pipe Tapered (NPT) thread

This is a replacement Pentair Funnel Adapter Gasket

Copper-Fin II 501-2071 Relay/Louver - 10 Amps sign-type_Plastic backwash according to the manufacturerThis is a Lochinvar Relay Louver, 10 amps, replacement for some of their pool heaters and boilers. Models include 501 2071, 502 2072, CH402 752, 402 752, CH991 2071, 991 2071, CH 992 2072, 992 2072, CW 986 2066, CW 2066.