Petrol Water Pump
BON-P-WP3.0-420HL
Pump Type
Cast Iron Self-Priming (High Lift)
Maximum power
14 HP/ 3600 rpm
Maximum pumping capacity
45,000 liters per hour
Starting system
Retractable
Suction diameter
3 inches
Discharge diameter
2.5/1.5/1.5 inches
Total elevation
75 Meters
Suction height
7 meters
Fuel tank size
6 Liters
Recommended oil
SAE10W-30
Impeller
4 Vane Cast Iron
Compression Ratio
8.5:1
Volute
Rigid Mounted Cast Iron
Mechanical Seal (Pump case)
Silicon Carbide
BON-P-WP3.0-420HL: High-Performance Self-Priming Water Pump
BON-P-WP3.0-420HL is one of the superior models of gasoline water pumps which is high-lift water pump from Bonhoeffer. Bonhoeffer is among the best brand of gasoline water pumps and our pumps are known for the best performance and reliability. The cast-iron self-pricing pump is mainly designed to meet the demanding needs of different water transfer applications. Because of the maximum pumping capacity of 45,000 litres per hour, this pump is ideal for commercial, industrial and agricultural applications. The high-lift feature ensures the efficient water transfer even from the long distances.
Durable and Ease of Maintenance
This pump built with the robust cast iron components which includes 4 vane impeller and rigid mounted volute, this pump is engineered for longevity. The silicon carbide mechanical seal provides excellent resistance to wear and tear, ensuring a longer service life. The retractable starting system and 6-liter fuel tank make it user-friendly and capable of long operational periods without frequent refuelling.
Frequently Asked Questions
Flush the pump case with clean fresh water, then completely drain to prevent damage from freezing. Cover intake and discharge ports to prevent the entry of debris during storage. The term Self Priming is actually an industry term that describes the ability of a pump to create a partial vacuum by purging air from the intake hose and pump casing. All Honda pumps are self priming by definition. All self priming pumps require water to be added to the pump casing to start the priming process.
Place the pump as close to the water source as possible. The less lift required will improve priming time. Fill the pump case completely with water (Never operate a centrifugal pump without water in the pump casing). Start the pump engine. By partially restricting the discharge hose, priming time can be improved. Shutting off a pump will allow water to flow out of the suction hose, requiring priming. The use of a foot valve on the end of the suction hose will prevent water from flowing out of the suction hose if you stop the pump and reduce time required for the pump to regain its prime. Wear off the volute and Impeller can decrease pump performance and increase time required to prime the pump. Regular inspection and maintenance of your pump will maintain peak performance.
Bonhoeffer water pumps are developed, tested and certified with petroleum based motor oils as a lubricant. Synthetic oils may be used; however, any motor oil used in our water pump must meet all oil requirements as stated in the owner manual. In addition, recommended oil change intervals must be followed.
See our Carburettor workshop Sheet to learn more about cleaning carburettors. Please be aware that the water pump should be serviced by a Bonhoeffer Authorized Dealer unless the owner has proper tools, service data and the necessary technical skills.
Bonhoeffer water pumps are designed and certified to run on regular unleaded gasoline containing no more than 5% ethanol (E10). Always refer to the owner's manual for your Bonhoeffer to get a list of recommended fuel and the current approved additives. For more information, see our Fuel Recommendations Link. Download or print a handout on how to avoid fuel-related problems for your Bonhoeffer general purpose water pump.
If you purchased a new piece of equipment and are missing parts or manuals, you need to contact your selling dealer. If you have further questions, you may contact our Customer Relations office at Manuals and Brochures.
Owner's Manuals for General Purpose Water pump can be downloaded from our website.
If a problem occurs with the spark plug: Check the spark plug HT wire and connect it if necessary. Remove the spark plug cap. Clean any dirt from around the spark plug base, and then remove the spark plug. Grounding the side electrode to the engine, pull the recoil starter to see if sparks jump across the gap. If there is no spark, replace the plug. If there is a spark, reinstall the spark plug and start again. If the air cleaner is clogged, clean or replace the air cleaner. If the carburetor is clogged, clean the carburetor (see our carburettor workshop sheet). Check if the valve clearance is correct. If not, readjust the valve clearance to the correct setting with a filler gauge. Check if the governor is out of adjustment. If so, readjust the governor. If the problem is not solved, take your water pump to an authorised Bonhoeffer dealer.
