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Classic Double Head Pumps

Stenner Classic pumps are controlled by an adjustment ring, decreasing or increasing flow.  These pumps are well suited to Accelerated Surface Finishing processes, waste treatment, and process requiring tight flowrate and concentration accuracy.

Stenner Pumps _ Precision Finishing Inc.

Similar to the other models in the Classic series, the Double Head Adjustable Output Pump will dose solutions such as sodium hypochlorite, acid, polyphosphates, biocides for common water treatment applications that include disinfection, pH control, corrosion and scale control, oxidation and sanitization. This pump series provides twice the output for large Commercial Pool and Aquatic Facilities or Water and Wastewater treatment plants. The pump can also inject two compatible solutions at the same ratio. The Classic Series double head adjustable output pump is built the same way as the single head adjustable with the addition of another pump head that doubles the output.



The output is determined by three factors; the rpm of the motor gears, the setting on the feed rate control and the pump tubes in both heads. The feed rate control has an external dial ring that is labeled L to 10 offering an adjustable output of 5% to 100% in 2.5% increments.


Interchangeable pump heads and tubes to convert one model to another without having to purchase a new pump.

Easy and fast tube replacement without tools with the QuickPro®  pump head.


The pump is built with three detachable components; the motor, feed rate control and the pump head that can be separated without tools.


The 100 and 170 models are two sub-series within the Classic Series Double Head Pumps (Adjustable and Fixed) and below is a summary of the primary differences in the Adjustable.

100 Series Adjustable

26 rpm

0.3 to 20.0 gpd up to 100 psi max.
(1.1 to 75.7 lpd up to 6.9 bar max.)

0.3 to 100.0 gpd up to 25 psi max.
(1.1 to 378.5 lpd up to 1.7 bar max.)

170 Series Adjustable


44 rpm

0.5 to 34.0 gpd up to 100 psi max.
(1.9 to 128.7 lpd up to 6.9 bar max.)

0.5 to 170.0 gpd up to 25 psi max.
(1.9 to 643.5 lpd up to 1.7 bar max.)


NOTE: Injection check valve included with pumps rated 100 psi (6.9 bar) maximum.

Stenner Pumps
Stenner Pumps

NOTICE: The information within this chart is solely intended for use as a guide. The output data is an approximation based on pumping water under a controlled testing environment. Many variables can affect the output of the pump. Stenner Pump Company recommends that all metering pumps undergo field calibration by means of analytical testing to confirm their outputs.


Maximum Operating Temperature - 125°F (52°C)

Maximum Suction Lift - 25 ft (7.6 m) vertical lift, based on water

Motor Type - 1/30 HP, shaded pole, class B


Duty Cycle - Continuous

Motor Voltage (Amp Draw)

120V 60Hz 1PH (1.7)
220V 60Hz 1PH (0.9)


Power Cord Type



Power Cord Plug End

120V 60Hz NEMA 5/15
220V 60Hz NEMA 6/15
230V 50Hz CEE 7/VII
250V 50Hz CEE 7/VII


All Housings - Polycarbonate


Pump Tube & Check Valve Duckbill - Santoprene®* FDA approved, Versilon®**


CV Duckbill with Versilon®** Tube - Pellethane®†


Pump Head Rollers - Polyethylene


Roller Bushings - Oil impregnated bronze


Suction/Discharge Tubing and Ferrules - Polyethylene, FDA approved


Tube and Injection Fittings - PVC or Polypropylene, NSF listed 


Connecting Nuts - PVC, NSF listed


3/8" Adapter - PVC or Polypropylene,  NSF listed


Suction Line Strainer - PVC listed, NSF listed, with ceramic weight


All Fasteners - Stainless steel


Pump Head Latches - Polypropylene


Listings vary by model.

*    Santoprene® is a registered trademark of Exxon Mobil Corporation.
**  Versilon® is a registered trademark of Saint-Gobain Performance Plastics.
†   Pellathane® is a registered trademark of Lubrizol Advanced Materials, Inc.


Stenner Pumps

Shipping Weight: 10 lbs (4.5 kg)

Box Dimensions: 18 x 8 x 10 in. (45 x 20 x 25 cm)


Needing some replacment parts?

Are you working on any new or existing projects?

Our process development team will be more than happy to help engineer or audit any new or prospective projects you may have. We will run sample tests, come on site, and help dial in your process for maximum results. 

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