FLOJET 3426 series - User Manual

“Triplex Diaphragm”
3426 / 3526 / 3626 Series
Automatic Water System Pump
FEATURES
• Self–Priming
• Dry Running
• Soft Noise Absorbing Mounts
• Snap–in Port Fittings
• Built-in Bypass : Less Pulsation
• Reduces need for accumulator tank
• Corrosion Resistant Materials
• Meets ISO 8846 (Ignition protection)
SPECIFICATIONS
Motor: Permanent Magnet, Ball Bearing
Totally Enclosed. CE Models are
fully suppressed.
Pump: Three chamber diaphragm design
Self-priming up to 9 feet suction lift;
Pump able to run dry without damage
Dimensions English (SI)
*CE fully suppressed models are identified by a prefix “R” and a CE mark on the label.(i.e. R3626144).
Self Declaration Of Conformance (SDOC) is available upon request.
OPERATION
With pump switch off and battery fully charged, fill water tank, open all faucets, then turn pump switch on. Water will
begin to flow. When the water is free of air, turn faucets off. Remember, you are filling the water heater and the toilet
and shower lines. When all valves are shut-off, pump will stop. Should pump fail to stop, turn switch off and see the
trouble shooting guide. CAUTION - Pump surface will get hot to the touch if operated for extended periods of time
under pr
essurized conditions.
2.25"
3.12"
4.24"
4.75"
3.18"
9.04"
(80 mm)
(65 mm)
(229 mm)
(80 mm)
(108 mm)
(121 mm)
DIMENSIONAL DRAWING
Model 3426 / 3526 / 3626 Series
Pump Height Length Width Weight
Series
inches (mm) inches (mm) inches (mm) Lb (Kg)
3X26XXX 4.75 (121) 9.00 (229) 6.00 (152) 3.50 (1.59)
MODEL* VOLTS AMP DRAW
@10 psi (0.7 bar)
FLOW
GPM (LPM)
PRESSURE SWITCH
Max psi (bar)
BYPASS
03526144 12V dc 4.4 2.9 (11) 50 (3.4) Yes
R3626344 24V dc 2.2 2.9 (11) 40 (2.8) Yes
R3426144 12V dc 4.4 2.9 (11) 25 (1.7) Yes
R3426344 24V dc 2.2 2.9 (11) 25 (1.7) Yes
R3426148 12V dc 3.5 2.0 (8) 25 (1.7) Ye s
R3426348 24V dc 1.7 2.0 (8) 25 (1.7) Ye s

Summary

Specifications

Operation

Dimensional Drawing

Installation

Wiring

Troubleshooting

Failure to Prime

Pump motor runs but no water is discharged; check intake, leaks, debris, or diaphragm.

Motor Fails to Turn On

Troubleshoot motor not starting by checking wiring, power, fuse, or switch failure.

Pulsating Flow

Address uneven flow by checking for restrictions in lines, fittings, or valves.

Pump Fails to Turn Off

Identify reasons pump does not stop, such as empty tank, low voltage, leaks, or switch issues.

Low Flow and Pressure

Diagnose reduced performance due to air leaks, debris, worn bearings, or motor issues.

Automatic Water System Pump Service Parts

Accessories

Quick Connect Port System

Details on available quick connect fittings for pump system connections.

Strainers

Information on various strainer options for different pump series and port types.

System Care and Maintenance

Winterizing

Procedure for draining and protecting the pump and plumbing system from freezing damage.

Sanitizing

Steps for disinfecting the water system using bleach for hygiene and storage preparation.

Warranty

Return Procedure

FLOJET 3426 series Specifications

General

Brand	FLOJET
Model	3426 series
Category	Water Pump
Language	English