The Stenner PCM20 has a time range of 2.0 to 20.0 seconds. It is a time adjustable controller utilized with the Classic Series Single Head Fixed Output Pumps to power the pump. A pulsing flow meter sends a signal to the PCM which actuates the pump to deliver the desired dose based upon water volume. The PCM has a locking feature on the adjustment knob.
The time range can be changed by adjusting the internal jumper setting as indicated above.
