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kolerflo fl-51 12v self priming water pump - 5.5 gpm & 70 psi pressure diaphragm pump for rv caravan, marine, yacht logo

KOLERFLO FL-51 12V Self Priming Water Pump - 5.5 GPM & 70 PSI Pressure Diaphragm Pump for RV Caravan, Marine, Yacht Review

7

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Poor

Revainrating 2.5 out of 5  
Rating 
2.6
🌊 Water Pumps, Parts & Accessories, 🚰 Rough Plumbing

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Description of KOLERFLO FL-51 12V Self Priming Water Pump - 5.5 GPM & 70 PSI Pressure Diaphragm Pump for RV Caravan, Marine, Yacht

Voltage: 12V DC ; Flow Capacity: 5.5 Gallons Per Minute ; Water Pressure: 70 PSI (4.8 bar) ; Nozzle Open Pressure: 55 PSI (3.8 bar) ; Hose Outlets: Suits 1/2" Diam Hose ;Current Draw: 8.0 Amp (Max 18 Amp). Our industrial water pressure pump are self-priming , allow for usage even if located above water tank. Automatically turn on the water tap, stops when turn off the water tap. This pump has a built-in adjustable pressure switch that turns on/off at 70 PSI. We ensured that our replacement pump complied with global quality and safety standards. It is the best partner for RV, boat and Caravan. The pump can also be used in garden sprinklers, showers, spraying pesticides, fertilizers, insect sprays. Enjoy a 1-year warranty. We have a professional team of technical support, if you have any questions, please feel free to contact us, we will reply you within 24 hours.

Reviews

Global ratings 7
  • 5
    2
  • 4
    1
  • 3
    0
  • 2
    0
  • 1
    4

Type of review

Revainrating 1 out of 5

Great pump, best for rough plumbing

Great pump if you only have to run it for about 20 minutes. I installed this pump on my boat about 6 months ago during a repair. It was installed in a battery box with no direct contact to the cells. I've only used it a few times for a quick wash. Now it doesn't work because the pump motor is shorted. I would classify this position as utter rubbish.

Pros
  • Pleasant
Cons
  • Has flaws

Revainrating 1 out of 5

Does not work as advertised

"Faucet opens automatically, stops when faucet is turned off." I bought this item for this reason, it does NOT. Instead, the included outlet fitting empties under pressure, spraying water all over the spot until manually shut off. I could have just bought this (generic product) at a tractor store and specifically looked for a feature they falsely claim to have. (Now I have to start over) FALSE ADVERTISEMENT!

Pros
  • Durable finish
Cons
  • Commercial availability

Revainrating 5 out of 5

It's great to have 5.5 GPM and 70 psi!

I have a big old Prevost with a shower, washing machine, ice maker. I'm tired of getting low water pressure in the middle of the shower. I have two pumps, one set at 70psi and the other at 45psi. The second rarely works and my blood pressure is always high (until I run out of water). It's a great pump - and I've had quite a few - in my fifty years in the RV business. I would say this is the best pump I have ever had.

Pros
  • Easy to read control panel
Cons
  • Weight

Revainrating 5 out of 5

Water pump installation is easy

Hydraulic water pumps are delivered quickly, come with detailed instructions and are easy to install. This industrial water hydraulic pump is self-priming and can also be used when mounted on the tank. This hydraulic pump has a built-in adjustable pressure switch that automatically opens and stops the faucet when the faucet closes. I bought this hydraulic pump mainly to water my garden. I am very comfortable spraying water, pesticides and fertilizers on the trees and flowers in my garden. It is

Pros
  • Easy to use
Cons
  • Miscellaneous Miscellaneous

Revainrating 1 out of 5

Poor design unless you really want big leaks

I received a pump that wasn't like the pictures. It has only one diaphragm, not a three-chamber diaphragm, and the minute I turned it, it was spurting water out the front of the pump. I couldn't install it right away, and by the time I was able to get hold of it, I'd missed my return window by a couple of days. So I ran out of all the money and can't return a useless pump. I've owned many vans and used these types of water pumps for decades and never had this problem. The way it was designed…

Pros
  • Decent performance
Cons
  • I vaguely remember

Revainrating 1 out of 5

Setting supply pumps on fire

We've discussed getting a better pump because it has almost no dividers, but we haven't quite come to that decision yet. A few days ago the pump ran 24 hours a day if you didn't physically turn it off because it wasn't generating pressure, so we started looking for other pumps to order. We are completely disconnected from the electricity grid, so 12 volts were attractive to us. Last night my husband smelled smoke and went outside and the pump was smoking on the fire lit on the wires I don't…

Pros
  • inspires confidence
Cons
  • out of fashion

Revainrating 4 out of 5

Big power for a small pump

This pump offers great performance and pumps in excess of 5 GPM with ease. We use it to water trees from our 75 gallon water tank/trailer in remote areas of our ranch and to put out fires when needed. We originally plugged it into the cigarette lighter on our Honda UTV. If we run the pump for more than 30 sec. The thin wire fuse in the connector has blown. Put in a larger fuse and then the 10 amp fuse in the Honda accessory panel fuse box blew. I put a larger fuse in there (15 amps) and then…

Pros
  • Slim design
Cons
  • Long flow