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100 series


The 100 Series positive displacement, diaphragm metering pumps are respected by professionals around the world for dependability, easy maintenance and versatility in a wide range of water conditioning applications.


  • Versatility:Full range of models, offering feed rates from 3 to 100 USgpd (0.5 to 15.8 lph) at operating pressures up to 100 psig (6.9 bar).


  • Feed rate control: The output is fully adjustable over the entire operating range.


  • Bleed valve assembly:Aids in the priming and relieves pressure from the discharge line.


  • Sealed gear train:Lowers maintenance and extends the life of the pump.


  • Quad ball check system:Ensures accurate and reliable metering performance.


  • Chemical resistant materials:Motor and gear shaft are treated with a special lubricant to extend the life of the pump in normal operating environments.


  • Simple installation: Injection back pressure valve assembly enables injection at an angle and inhibits siphoning.


Depending on the chemical agent used, the same equipment can treat bacteria, iron, manganese, low pH, hydrogen sulfide (rotten egg smell), and many other water problems.


*We stock Chem-Tech 100 Series and the new XP Series feed pumps, available in 120 V and 230 V, 30 GPD only. 

**We can special order in a pump for you if we don't have what your looking for.

A COMPLETE SELECTION OF WATER TREATMENT EQUIPMENT FOR RESIDENTIAL AND COMMERCIAL APPLICATIONS.

Water Gem, Inc.  Water Treatment Systems

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xp series


The XP Series of peristaltic, positive displacement pumps are the latest design in the Chem-Tech family.  Inherently self priming and off-gas tolerant, the XP Series is the ideal choice for chlorine and similarly volatile chemical applications.


  • Mixed fluid capable:Peristaltic tube design with triple roller assembly pump both liquid and gas without risk of vapor lock.


  • Versatility: Full range of models, offering feed rates from 3 to 100 USgpd (0.5 to 15.8 lph) at operating pressures up to 100 psig (6.9 bar).


  • Feed rate control:Optional 'A' Models with current interrupter adjusts flow to meet application needs. Optional 'V' Models have variable speed drives for maximum versatility.


  • Sealed gear train:All oversized gears, housed in sealed metallic housing lowers maintenance and extends the life of the pump.


  • Chemical resistant materials:The tubing assembly is the only wetted component within the pump for maximum compatibility.


  • Simple installation: Triple roller assembly prevents syphoning and eliminates the need for a foot valve.