Delavan SmartFLO 3222-421F-SB 12V Diaphragm Pump, 2.2 GPM, 85-100 PSI, Demand-Bypass, 3/4" Quick Attach

The Delavan SmartFLO 3222-421F-SB delivers up to 2.2 GPM at 85-100 PSI with 3/4" Quick Attach ports. SmartFLO combines a demand switch and internal bypass, so the pump adapts to your system, gives constant flow without cycling and still shuts off when outlets close.

Key Features

• Combines the advantages of both Bypass and Demand Controls
• Utilizes Pressure Sensing Demand Switch AND Internal Bypass Valve
• Automatically adapts to changing system demands
• Constant and instant flow eliminates pump cycling
• Will turn off when not in use and outlets are closed
• Low chance of overheating when run for long periods
• 100% Factory tested
• Self-Priming
• Can be run dry
• High Torque Motor for superior flow at pressure
• 2 Year warranty from date of purchase

Applications

• RV and Marine systems
• Small to medium size sprayers
• Multi-outlet systems

Specifications

Frequently Asked Questions

What makes SmartFLO different from a standard demand pump?

A standard demand pump cycles on and off when flow is low. SmartFLO adds an internal bypass so flow stays smooth and constant without rapid cycling.

What are the ports?

3/4" Quick Attach ports.

What are the electrical specs?

12 VDC, up to 8.5 amps, 12 AWG leads 6" long with a 2-pin molded connector.

What applications does it fit?

RV and marine systems, small to medium sprayers and multi-outlet systems.

What diaphragm and valves are used?

A Santoprene diaphragm with Viton valves.