ST40/50 Full Grid - 19-3/4 Inch sign-subject_No Swimming The ELC-810 has a relay

The ELC-810 has a relay for remote annunciation of an alarm condition or for a drain solenoid valve

This is a PVC 90 Degree Elbow female slip fitting connections that measure 2-1/2 Inch

The supporting base is a solid one-piece welded construction which includes rubber pads to help stabilize the unit on a variety of floor surfaces

This is a 8-1/8 inch Spring-Loaded Coin Release Weir

This is a 1 HP Silencer Outdoor Air Blower with 240 Volts by Air Supply

ST40/50 Full Grid - 19-3/4 Inch sign-subject_No Swimming The ELC-810 has a relayThis is a Pentair 191322 Full Grid for Star and Star Polymeric ST40 50 Pool and Spa D. E. Filters and PacFab Turbo 66 Filters. The size is 19 3 4 inches. The ST40 50 filters require 4 grids. The Turbo 66 filters require 6 grids.