Mechanical 24-Hour Time Switch With Heater Protection - DPST 208-277 Volts - Outdoor Plastic filtration-area_100-199 The red LED will flash

The red LED will flash at double rate but with no audible alarm

The Pentair 25022-0201S Cartridge Filter Element for System 3 S7M120 Filters has a media area of 200 Square Feet and is made of superior reinforced polyester pleated material with polyurethane end caps

Powder coated in rock grray

which can be made to suit a beam or slab of any thickness greater than 6 inches

Mechanical 24-Hour Time Switch With Heater Protection - DPST 208-277 Volts - Outdoor Plastic filtration-area_100-199 The red LED will flashThis is a T104P201 24 Hour Mechanical Time Switch with Heater Protection, SPST, 120 Volts, with beige plastic outdoor 3R enclosure. This model is designed to turn OFF a gas fired swimming pool heater approximately 20 minutes before the filter pump shuts down. This eliminates the problem of pounding and knocking due to overheated water, reduces scale and lime deposits, and extends the service life of the heater. The Intermatic T100 Series mechanical