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Delavan SmartFLO 3120-423F-SB 12V Diaphragm Pump with On/Off Switch, 2.0 GPM, 85-100 PSI, 3/8" FNPT
Regular Price
$133.37
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The Delavan SmartFLO 3120-423F-SB is the SmartFLO 2.0 GPM pump with an On/Off switch at the base for easy control. Its combined demand switch and internal bypass give smooth, constant flow at 85-100 PSI without rapid cycling, ideal for RV and marine water systems and multi-outlet sprayers.
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
- On/Off switch at base of pump
- 2 Year warranty from date of purchase
Applications
- RV and Marine systems
- Small to medium size sprayers
- Multi-outlet systems
Specifications
| Brand | Delavan |
|---|---|
| Manufacturer Part Number | 3120-423F-SB |
| Pump Type | Bypass – Demand, 3-chamber positive displacement |
| Flow | Up to 2.0 GPM |
| Valves | Viton |
| Diaphragm | Santoprene |
| Power | 12VDC |
| Leads | 12 AWG, 6” long with 2-pin molded connector |
| Amps | 8.5 Max |
| Pressure Settings | 85-100 PSI |
| Inlet/Outlet Ports | 3/8” FPT |
| Packaging | Small box |
| Weight | 5.6 lbs |
Frequently Asked Questions
How is it different from the 3120-421F-SB?
It is the same SmartFLO pump with an added On/Off switch at the base of the pump.
Does it shut off when taps are closed?
Yes. It turns off when not in use and all outlets are closed.
What is the current draw?
Up to 8.5 amps at 12 VDC.
What fittings do I need?
3/8" male NPT fittings for the 3/8" FPT ports.
Can it run dry?
Yes, and it is self-priming.
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