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Seaflo Supreme 12v Water Pump

Seaflo Supreme 12v water pump provides high volume flow rate up to 9.5 LP/M suitable for boats, caravans, food trucks of up to five fixtures.

SKU:Seaflo Supreme 12v Water Pump Category:
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Seaflo Supreme 12v Water Pump

New Model Silent Running 

42 Series Diaphragm Pump 12V 9.5LPM 55PSIseaflo_warranty

The Seaflo Supreme 12v water pump provides high volume water flow with reduced pump cycling, thanks to the quad chamber diaphragm and internal bypass. The Supreme water pump is designed to run on water systems with no accumulator tank necessary. It is also suited for use with a holding tank water system, as may be found in a boat, RV or remote cabin. It provides up to 9.5 liters per minute.

The 42 series Seaflo Supreme 12v water pump is self-priming, and can run dry without damage, performance reliable and low current. This automatic demand water system pump has a built-in pressure switch, which automatically starts and stops the pump when faucet is opened and closed. They’re easy to install service with quick 1/2″ screw on fittings

Type 4 Chamber positive displacement diaphragm pump, self priming, capable of being run dry
Control Type Pressure switch & By pass control
Max Recommended Temperature 60° C(140° F)
Priming Capabilities 6 feet (1.8 m) suction lift
Re-start Pressure Shut-off Pressure 55PSI : 41 PSI ±5 PSI (±0.3.8 bar)
Inlet/Outlet Ports 1/2″-14 MNPT
Weight 4.0 lbs (1.9 kg)
Leads 16 AWG, 9.4″ (24cm) long with 2-Pin connector/Leads
Duty Cycle Intermittent
Max.Amp Draw 6.0 A
Fuse 10.0 A


Model Voltage Open Flow
Control Type Max Draw Shut-off Pressure
Valves Diaphragm Ports Wire Connections
RV1-030-055-42 12V 3.0 / 9.5 switch & By pass 6 A 55 / 3.8 EPDM Santoprene 1/2″-14 MNPT 2-Pin/Leads
RV2-030-055-42 24V 3.0 / 9.5 switch & By pass 4.0 A 55 / 3.8 EPDM Santoprene 1/2″-14 MNPT 2-Pin/Leads

Consult factory for other available models.



Key Description Quantity
A Pump Head Assembly 1
B Valve Assembly 1
C Diaphragm Assembly 1
D Motor Assembly 1
Key Description Quantity
1 Pressure switch 1
2 Diaphragm of Pressure Switch 1
3 Pump Head 1
4 Diaphragm 1
5 Rubber Feet 1
6 Motor 1


Key Specifications:

* Model: RV1-030-055-42

* Size: L 203mm x H 111mm x W 125mm

* Rated Capacity: up to 9.5lpm

* Rated Voltage: 12V /6A

* Shut Off Pressure; 55 psi

* Replacement parts available 

* Warranty: 3 years

Seaflo Water Pump Repairs in Melbourne Area Call 0410 434 558

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Additional information

Weight 2.5 kg


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