Rainbow’s 320 series of inline chlorinators are designed for permanent installation in the return line of pools and spas.
No need to drill any holes. Comes with standard 2" slip PVC pipe fittings and adapter for 1-1/2" slip installation. Works on the pressure side of the pump and is to be used with slow dissolving Trichlor tabs and sticks or bromine tabs and sticks. Includes a heavy-duty 1/2" control valve and a replaceable 1/2" check valve. Unit comes with feed line installed in the bottom of chlorinator for normal use but is also drilled and tapped at the top of chlorinator if additional chlorine/bromine dispersion is required. Top feed 1/2" x 18" extension tubing is included.