PCM20 Classic Series Time Adjustable Controller - 2.0-20.0 Sec BTUs_250k-299k This is a Schedule 80

This is a Schedule 80 One-Piece Flange with a 4 inch slip (socket) connection

The protective vinyl tubing can be easily replaced when worn

The Concrete Stain Eraser works instantly to vanish stains without scratching

This is a Century Motors 1-Speed 1-Phase

PCM20 Classic Series Time Adjustable Controller - 2.0-20.0 Sec BTUs_250k-299k This is a Schedule 80The Stenner PCM20 is a time adjustable controller with a time range of 2. 0 to 20. 0 seconds. It is 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.