Pentair Rainbow Chlorinator 1" FPT Union (R270531) marquisspas 5 inch slip by 2

5 inch slip by 2 inch spigot plumbing is needed

Waterway Suction Assy [Ultra 6" w/1-1/2" Thd Wall Fitting] is a Waterway Plastics suction replacement part for compatible pool and spa suction assemblies

A spindle drive pulley helps transfer motion within a compatible robotic cleaner drive system

Homeowners do not want to fight with a panel just to make simple changes

making it one of the most important structural pieces in the wet end

Pentair Rainbow Chlorinator 1" FPT Union (R270531) marquisspas 5 inch slip by 2This 1" FPT union is built for Rainbow chlorinator installations where a secure, serviceable plumbing connection is needed. A proper union makes future feeder maintenance easier by allowing components to be separated without cutting plumbing, which is especially valuable on compact equipment pads or older feeder assemblies. It is a smart replacement when the original union has cracked, cross threaded, or no longer seals properly. Confirm thread size