Pentair Rainbow Chlorinator 1" FPT Union (R270531) aquacal Center-port design supports intended fit

Center-port design supports intended fit and function

The diffuser guides water from the impeller into the volute

Helps regulate fuel flow through the system

weather exposure

This motor has practical value because the 56Y square-flange frame is a key physical detail in many pool motor replacements

Pentair Rainbow Chlorinator 1" FPT Union (R270531) aquacal Center-port design supports intended fitThis 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