The versatile Classic series remains the most popular pump with installers; it is simple to service or convert to another model. Popular installations include: wired to a pressure switch, activated by a controller, or activated by a pressure switch. The adjustable models have an external dial ring on the feed rate control for 20:1 turndown in 1% increments. The single head models are available as a 7.5, 15, or 30 gallon tank system, shipped assembled. The single head fixed models are included with the Proportional Injection System for water meter activated proportional dosing.

Features
* Patented QuickPro pump head for fast tube replacement without tools
* 3-point roller design assists in anti-siphon protection
* Pump head requires no valves, allows for easy maintenance
* Self-priming against maximum working pressure, foot valve not required
* Pump does not lose prime or vapor lock
* Pumps off-gassing solutions and can run dry
* Output volume is not affected by back pressure
* Easy to change pump tube; lubrication is not required
* Components are interchangeable between models