Stenner's S Fixed & Variable Series

The S Variable has an adjustable potentiometer and the S Fixed is a fixed speed pump.

The S Fixed and Variable Series are peristaltic pumps that offer practical functions for industrial, water and wastewater, and commercial swimming pool applications.
The variable pumps have 20:1 turndown and run at the speed set with the adjustable potentiometer when power is applied or the standby input is removed.
The fixed models run at the factory set speed when power is applied or the standby input is removed; they do not have an on/off switch Both series have LED performance indicators and three output relays for indication from the pump to a separate device, like a process control system.

The pumps have a durable totally enclosed housing with NEMA 4X rating. The brushless DC motor is equipped with ball bearing support and the switch power mode offers energy efficiency. The splined shaft in the pump head and roller assembly allows smooth installation and replacement. Tube replacement does not require tools and is fast and easy with the patented pump S4 QuickPro®  pump head. 

The pump includes a factory installed Leak Detect Jumper to stop the pump if a leak is detected.  The jumper may be removed to allow the pump to continue to run when a leak is detected.



• Leak Detect: Sends relay to indicate a leak is detected.
• Run: Sends relay to indicate pump is operating.
• Transfer: Sends relay from the primary pump to transfer operation to a back-up pump, if a leak is detected, or if there is a loss of power or a drive fault.