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Water Master Honda 4" Trash Pump

RRP: $2,664.00

SALE Price: $2,389.00

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Water Master Honda 4" Trash Pump, 2 Year Warranty

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Customer Testimonials

The experience from my initial telephone conversations for advice, to purchase was outstanding.  By the time I ordered the generator, three days later it was on my doorstep.  I had had a very distressing experience with AGR Machinery, (Mytopia)  telephone contact was almost impossible, it take 2 weeks from date of purchase to arrive and with no to little after sell service, I was very sceptical on whether I'd purchase on-line again.  I would not hesitate to order from My Generator in the future. Regards, Brendon.

Yamaha EF2000iS Happy price, great service. Extras as advertised (Cover & Security cable). Warranty. Good to talk to...friendly advice, real people not just a faceless website. Arrived within 20 hrs unbelievably fast (friendly TNT rep)...Oil/fuel up...started first go. Super quiet. I mean super quiet. No regrets paying for a quality product. My Generator will get my word of mouth. Well done!

Product Details

Details

Genuine Honda 4" Trash Pump, by Water Master. 2 Year Warranty. Powered by the world class Honda GX340 engine, this 4" trash pump produces an impressive flow of 2200 litres per minute - great for construction site de-watering, waste water transfer, effluent pump out and slurry pumping. 

Designed to handle solids in water up to 25mm in size, the pump comes in a robust steel roll-over frame for protection on any worksite. The pump’s quick-release feature means that any debris can be quickly and easily removed from a blocked impeller, making for easy maintenance and ensuring sustained performance for years to come.

As with all Water Master Trash Pumps, it has rapid self-priming capability and comes with a 2 year warranty backed by a national service network.

Suited to:

  • Construction and Building Site muddy water dewatering
  • Agricultural and Farming
  • Mining and Industry Job Sites

Applications:

  • Transferring water with medium sized solids/debris
  • General Purpose Water Transfer
  • Tank de-watering
  • Waste water handling, effluent pump out and slurry pumping

Main Features:

  • Capable of sucking solid debris up to 25mm diameter
  • Rapid self-priming capability (after initial prime)
  • Quick release clean-out for simple impeller maintenance and overall pump durability
  • Genuine Honda GX340 4-Stroke Petrol Engine
  • Easy recoil start
  • Max Flow Rate of 2200 litres per minute
  • Max Head of 28 metres
  • 2yr Pump warranty, 2yr Honda engine warranty
Water Master Trash Pumps Performance Charts

Water Master Trash Pumps Performance Charts

WaterMaster product Brochure

Specifications

Additional Information

SKU MH40T
Brand Water Master
Rated Power 8.0 kW
Engine Honda GX340
Starting System Recoil
Fuel Tank Capacity 6.5 L
Suction Size 4"
Discharge Size 4"
Max. Head 28 M
Max Flow Rate 2200 L/min
Fuel Type Unleaded Petrol
Dimensions (LxWxH) mm 650 x 499 x 550 mm (L x W x H)
Net Weight (kg) 68.5 Kg

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For details relating to Water Master warranty CLICK HERE

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Product Faqs

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  • I have a pond that gets algae and pond weed in it. Am looking for a pump that will handle all the stringy plant material. Which pump can you recommend?

    Hi Gavin, any of our trash pumps should be fine for this job. The size you choose will depend on how much water you want to move and how quickly. It is also strongly recommended that you open and clean the pump out of plant material and then flush it out with fresh water. 

    Thanks, Steve

  • Is there a way to know the PSI water pressure a water pump will deliver?

    Hi Ken, thanks for your question. Yes there is; approximately 1 metre of max head is equal to 1.42 PSI. So you can simply multiply the maximum head of the pump by 1.42 to give you the max psi rating of that pump. For example, if a pump has a maximum head of 40 metres, then its max pressure is approx. 57 PSI.

    For reference, a typical garden hose dispenses water at about 30-40PSI. Generally speaking, Transfer Pumps will have lower PSI capacity, but can move larger volumes of water, whereas High Pressure Fire Fighting Pumps will have a higher PSI but move lower water volumes on a litres per minute measure. 

    Hope that helps, thanks - Steve.

  • Is it okay to fit a smaller sized hose to the pump output size? If so, that would probably increase the PSI a bit more as well?...or do I have to match both input and output with the same size hose?

    Hi Mark, it is always recommended that you use the same diameter hose/piping as the suction and discharge ports on the pump. While it is sometimes necessary to reduce that diameter, it is strongly advised that you do not reduce the hose size by more than half an inch.

    While you may see an increased pressure due to the slightly smaller piping, this will also see an increased backpressure on the pump. The more you reduce the hose/piping diameter, the more you increase this backpressure and likely cause the pump to fail and that would not be covered under warranty.

    Cheers, Steve

  • Is this a genuine honda engine? Have made the mistake in the past with a cheap Chinese pump using a fake Honda. Ta

    Hi Kym - the answer is absolutely yes. These are genuine Honda engines, from Honda Australia. For any servicing or warranty requirements, you can take the engine to any approved Honda service agent around the country, of which there are over 400.

    We are aware of some cheaper power equipment brands using imitation Honda engines or engines not supplied by Honda Australia, but we do not stock these brands. All our products are from brands using legitimate componentry and are backed by extensive warranties and national service networks.

    Thanks, Steve 

  • Will this pump work to remove thick pond muck/sludge from a lake bottom?


    No. Trash Pumps are designed for moving dirty water with twigs, leaves, pebbles, debris up to around 30mm in diameter. For pumping out thick pond muck or sludge, you would need a Diaphragm Pump. These pumps can handle a thicker consistency but are limited as to how high and how far they can pump, due to the added weight of the pumping material.

  • Which type and size of pump is best for pumping water from a house tank up to holding tanks for gravity feed? I need to pump up the hill to a 15 metre head height over a distance of approximately 100 metres.

    Hi, it is difficult to advise exactly what pump you need without more information; e.g. what is the uplift from the tank to the pump, how much water you need to move, how quickly, whether the distance between the points is in a straight line, what size are your hoses etc. etc. 

    However, as a rule of thumb, the maximum head capacity of the pump can tell you what the pump can do in terms of; suction height + uplift. For example, if you needed to draw up water 5 metres from the water source to the pump, then move the water from the pump up a gradient of 15 metres, then you would need a pump with a maximum head greater than 20 meters (5 +15).

    Also remember that there will be a small loss of head capacity through general friction, so your first consideration is a pump with head capacity greater than 20 metres, then secondly what flow rate (litres/min) you require - this is where the pump charts come in handy (on the product brochures) as the water flow rate diminishes with the height. 

    Depending on your suction height, I would be inclined to look at a Honda or Subaru powered 2" or 3" Transfer Pump that has a head capacity of around 30-35 metres and flow rate of around 500-600 litres per minute. If your suction height or flow rate requirement is larger, then you'll need to look at a larger pump.   

  • Based on my understanding of ‘Maximum Head’, would I be right in saying that a pump with a Max Head of say 20m, could transfer water 18m directly vertical, if the suction inlet was 2m above the water source?

    Yes. That is the correct interpretation of the Max Head capacity of a pump. Note in your theoretical example though, the water pressure and flow rate would be around zero at the discharge point (because the max head of the pump is 20 metres and the sum requirement of your example is also 20 metres). In practice, if you're pumping requirement totaled 20 metres, you would want to get a pump with a max head capacity of greater than 20 metres, to have sufficient water flow and account for small head loss from friction. 

  • Do the pumps have varying settings to control water flow, or do they run at one speed?

    The engines that run the pumps have an engine throttle, which controls the engine speed and therefore in turn the pace at which the water is being pumped. But there is not a direct pump speed control.

    The exception to this within our range of pumps is the Honda 6” Water Master Transfer Pump model (MH60E), which comes with an automatic throttle.

  • When talking about the size of the pump, does that refer to the diameter of the inlet or the outlet?

    In our range of pumps, the inlet and outlet size of the pump is the same, with the exception of the Fire Fighting pump models. These high pressure Fire Fighting pump models will have one inlet and one transfer outlet the same size which classifies the size of the pump...then most Fire Fighting Pump models will also have two additional outlets which are slightly smaller and are designed for the high pressure discharge.

  • Hi, With the Water Master pumps, what materials are the actual pumps made out of?

    Thanks very much for your inquiry. In regards to the water master pump range the fire fighting and water transfer pumps are both made of cast aluminium; the trash pumps are made of cast iron. The standard chemical pump is made of plastic, and the stainless steel model is made of stainless steel.

  • Hi, I’m looking for a pump to deliver water from a creek to a garden area about 400 meters apart; what do you recommend?

    Hi, our portable pump range (transfer pumps, fire fighting pumps, trash pumps, submersible pumps, chemical pumps) have models that will effectively handle pumping vertical distances from about 20 metres up to about a maximum of around 90 metres - this is the Maximum Head capacity rated on every pump's specifications. 

    The Maximum Head rating will tell you the maximum height the pump can pump to. So you need to know how much height you will need to draw from the water source up to the pump (suction height) and how much height you will be moving the water (uplift). For example, if you needed to draw up water 5 metres from the water source to the pump, then move the water from the pump up a gradient of 25 metres, then you would need a pump with a maximum head greater than 30 meters (5 + 25). Also note that as water moves through the hosing and the bends it will encounter friction, causing some small additional head loss - so you should need to choose a pump with maximum head larger than your height pumping requirements. Then you'll need to consider what flow rate you want to move the water at...this is where Pump Charts are important to consider (see product brochure) because delivery capacity falls away as max head capacity is approached.

    Overall, work out your suction height + uplift, then choose a pump with max head capacity to more than handle the sum of those heights, and a pump that satisfies your flow rate requirements. 


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