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STEP 5
Use 1/2" (13mm) I.D. flexible hose (preferably braided or reinforced). Use hose clamps on the slip-on barb hose
connectors.
STEP 6
Install a 1/2" (13mm) in line strainer #01740002 in accessible location between shower drain pan and pump inlet. This
strainer or equivalent is required for pump warranty to be valid.
WIRING
STEP 1
Use 14 gauge stranded wire to 20' (6.1m), 12 gauge to
50' (15.2m), from power source.
STEP 2
Use a 10-15 amp rated (lighted) on-off switch on the (+)
positive (red) motor lead.
TROUBLESHOOTING
WARNING: BEFORE SERVICING PUMP, TURN OFF PUMP AND DRAIN
Failure to Prime - Motor operates, but no pump
discharge
• Restricted intake or discharge line
• Air leak in intake line
• Debris in pump
• Punctured pump diaphragm (pump leaks)
• Crack in pump housing
Motor Fails to Turn On
• Blown fuse
• Loose wiring connection
• Pump circuit has no power
• Defective motor
Quite often when a pump is worn or defective the one failed component has overburdened others. To avoid frequent
aggravating repairs, Flojet offers service kit assemblies making repairs as quick and easy as possible.
Black
Red
Fuse
STEP 3
Install 10 amp fuse protection on the positive lead for the
-143 model, use a 7 amp fuse for the -343 model.
WATER FROM SYSTEM!!
Low Flow and Pressure
• Air leak at pump intake
• Accumulation of debris inside pump and plumbing
• Worn pump bearing (excessive noise)
• Punctured pump diaphragm (pump leaks)
• Defective motor
Pulsating Flow
• Restricted pump delivery. Check discharge lines,
fittings and valves for clogging or undersizing.
3
Switch
Battery
Includes items 1 thru 4
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