Zodiac Jandy 1 1 2" S x 2" Spg 180° Check Valve (7235) jettrim the Praher SM2 HPX62 multiport valve the Praher SM2 HPX62 multiport valve is designed to bring back dependable water routing control without forcing you away from the original plumbing style The Zodiac 3900 Sport tune up kit is designed for compatible cleaner applications where multiple wear components need refreshing as part of more complete maintenance The Zodiac and Jandy 180 degree check valve is designed for compatible plumbing applications requiring a 1 1 2 inch slip connection on one side and a 2 inch spigot connection on the other preventing unwanted backflow that could interfere with normal system behavior