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41-Series Short Diaphragm Water Pumps

41-Series Short Diaphragm Water Pumps

The 41-Series pump provides high volume water flow with reduced pump cycling, thanks to the quad chamber diaphragm and internal bypass. These models are designed to run on water systems with no accumulator tank necessary, and up to five outlets. 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 4.5 gallons per minute, suitable in a system of up to five fixtures. The 41-Series pumps are self-priming, and can run dry without damage. 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 and winterize with quick snap-in port fittings.

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Description

Features & Benefits

  • Positive displacement pump
  • Can run dry
  • Quiet operation
  • Industry standard mount pattern
  • Demand pump
  • Easy connect fittings
  • Built-in thermal protection

Typical Applications

  • Agricultural Spraying
  • General Industrial
  • Automotive
  • Marine/RV
WATER PUMP
Type
4 chamber positive displacement diaphragm
pump, self priming, capable of being run dry
Mode
On-demand
Liquid Temperature
140°F (60°C) Max.
Priming Capabilities
6 feet (1.8 m) suction lift
Pressure Switch Setting:
2.7 GPM Model: 17 PSI (1.2 bar)
3.3 GPM Model: 35 PSI (2.4 bar)
4.5 GPM Model: 40 PSI (2.8 bar)
Inlet/Outlet Ports
Quick Attach
Weight
2.7 & 3.3 GPM Models: 4.0 lbs (1.80 kg)
4.5 GPM Model: 5.0 lbs (2.30 kg)
MOTOR
Duty Cycle
Intermittent
Leads
16 AWG, 4.5″ long with
2-Pin connector/Leads
  • Compact automatic demand water system pump
  • Built-in pressure switch automatically starts and stops pump when faucet is opened and closed
  • Capable of supplying multiple fixtures
  • Self-priming so pump can be located in a location higher than the water tank
  • Run-dry safe
  • Built-in thermal protection

 

Model Switch GPM/LPM PSI/BAR Draw (A) Valves Diaphragm Ports Voltage
SFDP1-027-017-41 Demand 2.7/10.0 17/1.2 4.5 Max EPDM Santoprene Quick Attach 12V
SFDP2-027-017-41 Demand 2.7/10.0 17/1.2 2.0 Max EPDM Santoprene Quick Attach 24V
SFDP1-033-035-41 Demand 3.3/12.5 35/2.4 8.0 Max EPDM Santoprene Quick Attach 12V
SFDP2-033-035-41 Demand 3.3/12.5 35/2.4 4.0 Max EPDM Santoprene Quick Attach 24V

Additional information

Weight 7 lbs
Dimensions 12 × 9 × 6 in
Flow

2.7 GPM, 3.3 GPM, 4.5 GPM

Voltage

12V DC, 24V DC

PDF: 41 Series- General Information

PDF: 41 Series- Instructions

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