At Pentair we’ve revolutionized the pool industry with innovative and high-performance pool pumps filters heaters cleaners lights automation systems and more. Each product is expertly engineered and crafted with pool and spa owners in mind and adheres to our strict standards for quality performance and design. This complete manifold replacement kit is designed to use with Pentair Sta-Rite Max-E-Therm Pool And Spa Heater Model 400 as well as Pentair MasterTemp 400K BTU Pool And Spa Heater Models 400Na 400Lp. Don t let a worn-out malfunctioning or damaged pool part ruin your day. This genuine replacement manifold set will get your heater back up and running so you can relax in your pool or spa once again. The kit comes with the necessary parts to switch out your previous manifold (tools not included). Parts can stop working when you least expect it but with this Pentair Manifold Kit you ll have just what you need to get your spa heater working properly again.