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

Using the correct pack can help restore dependable heating management and more stable overall system behavior

Helps grip rounded parts with less risk of surface damage

Treatment components like this are useful because they are designed around specific water-care platforms rather than as broad one-size-fits-all additives

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