Pentair Rainbow Chlorinator 1" FPT Union (R270531) marquisspas Designed for natural-gas on-off heater

Designed for natural-gas on-off heater applications

This part has practical value because the one-circuit on-off configuration offers a more focused solution for simpler controlled applications where multi-function capability is not required

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

Supports faster readings than juggling multiple tools

Pentair Rainbow Chlorinator 1" FPT Union (R270531) marquisspas Designed for natural-gas on-off heaterThis 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