Mechanical 24-Hour Time Switch With Heater Protection - DPST 208-277 Volts - Outdoor Metal state_California Avoid increasing hardness more than

Avoid increasing hardness more than 30 ppm every couple hours

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This Stenner chemical pump #45MJL3A3STAA provides reliable chemical feeding for your swimming pool

(Rinse mirror after each use

SPX3225X30Z1BE motors

Mechanical 24-Hour Time Switch With Heater Protection - DPST 208-277 Volts - Outdoor Metal state_California Avoid increasing hardness more thanThis is a T104R201 24 Hour Mechanical Time Switch with Heater Protection, SPST, 120 Volts, with beige metal 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 time