STARFLO SF33-45 series is our general-duty on-demand positive displacement pump. It provides reliable performance in high water flow, moderate pressure applications. This 3-chamber diaphragm pump provides up to 3.0 gallons per minute and is capable of self-priming up to 6vertical feet, and can run dry without damage. Serves 3 or more 1/2” (13 mm) outlets. This automatic demand water system pump has a built-in pressure switch, which automatically starts and stops when the faucet is opened and closed. They're easy to install, service and winterize.
FEATURES
1.Capable of supplying 2-3 fixtures
2.Up to 3.0 GPM
3.Self priming
4.Run dry safe
5.Quiet operation
6.On-demand use
7.Industry standard mounting pattern
8.Completely rubber mounting-base
9.Adjustable pressure switch 10.16 AWG,4.5" long Leads
10.Quick disconnect fittings
11.Fully sealed protective motor housing
12.Corrosion-proof housing with stainless-steel fastener
13.Santoprene diaphragm & EPDM valve for reliability, longer life and better priming
14.On-demand pressure switch with rubber mounting feet
15.Heavy duty adjustable pressure switch setting by factory
16.Integrated pressure switch turns pump on and off automatically when tap is open and closed
17.Self-priming up to 6’ (1.8m) so pump can be located in a location higher than the water tank
18.Thermal overload protection which can automatically stops motor should it overheat due to overload on 239°F(115°C), with auto restart feature
Type | 3 Chamber positive displacement diaphram pump, |
Voltage | 12V DC & 24V DC |
Inlet / Outlet Ports | 1/2" -14MNPT |
Control Type | Pressure Switch |
Self Priming | 6feet(1.8m) suction lift |
Re-start Pressure | Shut-off Pressure 45PSI, 35PSI±5PSI(0.3Bar) |
Diaphragm | Santoprene |
Duty Circle | Intermittent |
Max Amps Draw | 8.0A |
Fuse | 12.0A |
Leads | 16AWG,13" (33cm) long with 2-pin connector /Leads |
Weight | 4.2lbs(1.9kg) |
Max Temperature | 60 ℃ (140° F) |
TECHNICAL DATA FOR THE WATER PUMP
Model
Voltage
Open Flow(LPM/GPM)
Control Type
Max Amps
Shut-off Pressure (PSI /BAR)
Valves
Diaphragm
Ports
Wire Connections
SF33-45-12
12VDC
11.6LPM(3.0GPM)
Switch
8.0A
45PSI(3.1BAR)
EPDM
Santoprene
1/2"-14MNPT
2-Pin/Leads
SF33-45-24
24VDC
11.6LPM(3.0GPM)
Switch
4.0A
45PSI(3.1BAR)
EPDM
Santoprene
1/2"-14MNPT
2-Pin/Leads
DIMENSION FOR THE PUMP