Pentair Rainbow Automatic Feeder 320 Spa Chamber (R172037) powervac A heating element like this

A heating element like this is useful because it restores a specialized screw-in heat component in systems that depend on this specific combination of thread style and electrical characteristics

and cleaner direction

This replacement is especially useful when a threaded union-style body must connect to a solvent-welded pipe section while keeping the plumbing layout true to the intended design

CMP LED Waterfall [18"

and this Balboa VL401 Overlay is designed for compatible Jets

Pentair Rainbow Automatic Feeder 320 Spa Chamber (R172037) powervac A heating element like thisReliable pool equipment depends on small parts staying sealed, aligned, and secure. The Rainbow Automatic Feeder 320 Spa Chamber is a Pentair Rainbow replacement for chemical feeder service, helping helps maintain controlled sanitizer delivery. In feeder service, correctly matched small parts help manage sanitizer flow, reduce nuisance leaks, and keep maintenance more predictable. Matches compatible equipment applications that reference part number