Praher Multiport Valve [SM2-HP3] [2"] [w/Hayward Plumbing] (SM2-HP3) watertestkits Professional installation is recommended when

Professional installation is recommended when electrical

Improves usability and replacement confidence

Helps restore the structural core of the valve assembly

The Hydro-Quip CS8700-C9 spa control system is designed for compatible applications where the system needs a timer-equipped control pack with mixed-voltage equipment support

Replacement is often appropriate when the original plate is cracked

Praher Multiport Valve [SM2-HP3] [2"] [w/Hayward Plumbing] (SM2-HP3) watertestkits Professional installation is recommended whenThe Praher SM2 HP3 multiport valve is intended for compatible 2 inch Hayward style plumbing systems and helps restore the primary routing control of the filter setup. Choosing a valve built around the correct plumbing pattern can make a meaningful difference in both installation ease and long term reliability. This model is useful when you want to maintain the original Hayward style plumbing relationship instead of forcing a less exact replacement