Pentair #320 Body Only (New Style) | In-Line Automatic Feeder | R172321 VLLS103S The band clamp assembly holds

The band clamp assembly holds the pump's wet end and motor housing together under operating pressure

The hermetically sealed face is designed for strength and weather resistance

Cam and Ramp (357150Z) is the OEM replacement plastic clamp for the WhisperFlo WF 7 pump and compatible WhisperFlo and IntelliPro VS+SVRS inground pump models

If your pump housing is dark gray or another color

verify the wall panel hole diameter matches the 3-inch requirement before installation

Pentair #320 Body Only (New Style) | In-Line Automatic Feeder | R172321 VLLS103S The band clamp assembly holdsThe Pentair R172321 is the OEM replacement feeder body for the Model 320 In Line Automatic Chemical Feeder the main housing component that forms the structural core of the feeder assembly. The feeder body houses the chemical chamber and provides the sealed enclosure through which pool water flows and contacts the sanitizing agent. When the original body cracks, warps, or develops leaks, the feeder cannot maintain proper chemical dosing or hold