Pentair IS4 Spa Side Remote, 4-Button, Grey, 250' Cable | 521890 Curved optimizing energy efficiency and enhancing

optimizing energy efficiency and enhancing your spa experience

Thermal fuse is open and heater will not continue operation

Weather-ready design suitable for outdoor installation in a variety of climates

this component is a direct replacement for standard Tru Flo drain installations

or loose pump covers

Pentair IS4 Spa Side Remote, 4-Button, Grey, 250' Cable | 521890 Curved optimizing energy efficiency and enhancingWhat This Part Is Used For Pentair 521890 IS4 Remote 4 Button, Grey, 250ft is a wired remote control designed for compatible Pentair automation systems. It allows control of selected pool or spa functions from a remote location up to 250ft away. Why This Part Matters A long cable run provides flexibility for larger properties or detached spas. Replacing a nonfunctional remote restores convenient equipment control without accessing the main panel.