1. Catalogs
  2. Jabsco
  3. Model 31705

Model 31705

Model 31705

Model 31705

Product catalog summary
Features
  • Self-priming up to 10 ft (3 m) and can run dry without damage.
  • Equipped with a four-piston diaphragm pump and a powerful heavy-duty motor with thermal overload protection.
  • Includes snap-in ports, waterproof coating, and a pressure switch with a rubber boot (31700-Series).
  • Complies with USCG Regulation 183.410 and EN ISO 8846 MARINE for ignition protection standards, and EN 50081-1 for electromagnetic compatibility.
General Applications
  • 31700-Series: Designed for high-velocity pumping for anchor and general deck washdown, with a compact size and corrosion-resistant motor for fresh or saltwater use. Suitable for continuous duty operation in livewell applications.
  • 31705-Series: Suitable for bilge/livewell/general purpose applications without a pressure switch. Features low amp draw and oil-resistant parts for pumping diesel fuel.
Specifications
  • Pump Body: Glass-filled polypropylene
  • Pump Design: Multi-chamber diaphragm
  • Suction Lift: Self-priming to 10 ft (3 m)
  • Ports: 3/4" (19 mm) hose barb or 1/2" (13 mm)
  • Motor: Permanent magnet
  • Shipping Weight: 6.5 lb (3.0 kg)
Models and Variations
  • Models include 31700-0092, 31700-0392, 31700-0094, 31700-0394, 31705-0092, and 31705-0094.
  • Applications include washdown/baitwell and bilge/livewell/general purpose.
  • Available in 12 Vdc and 24 Vdc versions with varying amp draw and fuse requirements.
Installation and Operation
  • Mounting: Pumps should be mounted on a solid surface with the motor on top to prevent water damage.
  • Plumbing: Use marine-grade reinforced hose. Install PumpgardTM strainer for easy maintenance.
  • Wiring: Install a switch with an appropriate amp rating and ensure proper voltage and ventilation for the motor.
  • Operation: Follow specific steps for each series to ensure proper function and avoid overheating.
Maintenance and Troubleshooting
  • Regularly check for air leaks, defective valves, and ensure proper voltage and ventilation.
  • Follow detailed disassembly and reassembly instructions for maintenance and repair.
  • Use the troubleshooting guide to address common issues such as priming problems, low flow rate, and leaks.
Safety and Warnings
  • Do not pump gasoline, solvents, thinners, or other flammable liquids to avoid explosion hazards.
  • Ensure power is disconnected and water pressure is relieved before servicing the pump.
Additional Information
  • Includes a conversion table for units and a list of accessories for specific applications.
  • Subject to a one-year limited warranty by Jabsco.
See more

Catalog excerpts

Model 31705-1

PAR - MAX SERIES WASHDOWN/BAITWELL — 31700-SERIES BILGE/LIVEWELL/GENERAL PURPOSE — 31705-SERIES Models 31700, 31705-Series Self-Priming to 10 ft. (3 m) Run Dry Without Damage Smooth Flow Four Piston, Diaphragm Pump Powerful Heavy Duty Motor with Thermal Overload Protection • Snap-in Ports • Waterproof Coating • Pressure Switch with Rubber Boot (31700-Series) • Meets USCG Regulation 183.410 and EN ISO 8846 MARINE (Ignition Protection Standards) • Meets EN 50081-1 Electro-magnetic Compatibility 31705-Series Complies with EN ISO 8849 MARINE Electric Bilge Pump GENERAL APPLICATIONS 31700-Series – High velocity pump for anchor and general deck washdown. Compact size with matched hioutput spray nozzle. Corrosion resistant coated motor and sealed pressure switch for fresh or salt water use. Also great for continuous duty operation in livewell application at full flow. 31705-Series – For bilge/livewell/G.P. applications that do not require a pressure switch. Low amp draw, can run dry. Oil resistant parts allow pumping of diesel fuel. SPECIFICATIONS • Pump Body – Glass Filled Polypropylene • Pump Design – Multi-Chamber Diaphragm • Suction Lift – Self Priming to 10 ft. (3 m) • Ports – 3/4" (19 mm) Hose Barb or 1/2" (13 mm) • Motor – Permanent Magnet • Shipping Weight – Weight - 6.5 lb (3.0 kg) WARNING! Explosion hazard. Do not pump gasoline, solvents, thinners or other flammable liquids. To do so can cause an explosion resulting in injury or death. VARIATIONS MODELS WASHDOWN/BAITWELL WASHDOWN/BAITWELL WASHDOWN/BAITWELL WASHDOWN/BAITWELL BILGE/LIVEWELL/G.P. BILGE/LIVEWELL/G.P. * Customer supplied, not included with pump. DIMENSIONAL DRAWINGS — INCHES (mm)

 Open the catalog to page 1
Model 31705-2

Bilge Pump Pumpguard TM Inlet Strainer TM Fig. 2 31700-Series w/Rule® Dual Port MOUNTING The Jabsco pumps are self-priming and may be located above or below the fresh water supply in a dry location. To vertically mount these units, it is best to do so with the motor on top. This will prevent water dripping on motor in the event of a leak. Place pump on a solid surface and secure with the four mounting screws being careful not to compress the rubber grommets which act as shock absorbers. Quick Easy Installation Versatile Snap-in Ports The electrical circuit should be protected with an overcurrent...

 Open the catalog to page 2
Model 31705-3

WARNING: DISCONNECT POWER TO PUMP AND OPEN VALVE TO RELIEVE WATER PRESSURE PRIOR TO SERVICING PUMP EXPLODED VIEW DESCRIPTION Upper Housing Valve Kit Diaphragm Kit Lower Housing Kit Pressure Switch Service Kit Motor Kit – 12V EMC COMP 24V EMC COMP Slide Clips Pumphead Assy. PumpgardTM Strainer Spray Nozzle US Spray Nozzle EC Pressure Switch (5) 1. Disconnect power to pump and open a faucet or valve to relieve system pressure. 2. Remove Rubber Boot, then remove the two visible Pressure Switch Screws located on each side of the Pressure Switch (5). Upper Housing (1) 3. Slide Port Clip (8) back and...

 Open the catalog to page 3
Model 31705-4

Possible Cause(s) Pump will not prime or retain prime after operating Pump runs but no fluid Pump leaks 1. Air leak in suction line 3. Upper housing leaking (Key 1) 4. Suction lift too high 1. Faulty suction piping 3. Suction lift too high 5. Inlet line valve closed 2. Insufficient ventilation for motor 1. Piping or hose is damaged 5. Tank over pressurized 1. Upper housing loose (Key 1) 3. Pump head loose on motor 2. Defective pressure switch (Key 5) 3. Motor has open circuit (Key 7) 2. Insure proper ventilation 5. Check tank pressure 3. Tighten pump head 1. Check connections, fuse, breakers...

 Open the catalog to page 4
*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.