Hello,
we had a 21m (69 feet) deep garden water well, operated with a suction pump. Unfortunately, the water column would often drop significantly, so it took a very long time for water to come through.
During the demolition of our old house and the construction of the new one, the well had to be removed. Now we want to build a new one, this time with a submersible pump. I have received quotes ranging from €3500 to €4500. Most providers charge about €1500 just for the pump, but I found one who would drill the well quite cheaply and install an existing pump for a flat fee.
I have been looking into submersible pumps; prices start at €149 and go up to €1000. Unfortunately, I have no experience with 3-inch pumps. Can anyone recommend something? Or is it generally safe to say that a pump costing around €400 to €500 is acceptable?
we had a 21m (69 feet) deep garden water well, operated with a suction pump. Unfortunately, the water column would often drop significantly, so it took a very long time for water to come through.
During the demolition of our old house and the construction of the new one, the well had to be removed. Now we want to build a new one, this time with a submersible pump. I have received quotes ranging from €3500 to €4500. Most providers charge about €1500 just for the pump, but I found one who would drill the well quite cheaply and install an existing pump for a flat fee.
I have been looking into submersible pumps; prices start at €149 and go up to €1000. Unfortunately, I have no experience with 3-inch pumps. Can anyone recommend something? Or is it generally safe to say that a pump costing around €400 to €500 is acceptable?
N
nordanney3 Feb 2021 07:54Stadtvilla19 schrieb:
We had a 21m (69 feet) deep garden water well at our place, operated with a suction pump. Unfortunately, the water column kept dropping significantly, so it took ages for water to come through. Your problem is that suction pumps can only pump up to a height of about 10m (33 feet) maximum. Anything beyond that is physically impossible.
The classic solution is to get a submersible pump. Good models start around €500. You will also need a pressure switch.
A well driller once told me he charges roughly €100 per meter plus the cost of the pump. That includes the pipes and filter pipe, of course.
S
Stadtvilla193 Feb 2021 08:26So, we want 70 meters per meter plus a pump. The offer includes a Grundfos SQ 2 55, which can be found online for €650 plus €100 for a pressure switch and €250 for installation, so that totals around €1000 instead of €1700 for the same pump.
Note that the Grundfos SQ 255 has a flow rate of only 2,000 liters per hour (about 530 gallons per hour). It is not suitable for automatic irrigation.
For less money, there is the deep well pump Tipp AJ 4 Plus 100/57 AUT with significantly better performance data (head height and especially flow rate).
I also know of two installations where this pump runs without any issues. Moreover, it can be easily and affordably replaced at that price.
For less money, there is the deep well pump Tipp AJ 4 Plus 100/57 AUT with significantly better performance data (head height and especially flow rate).
I also know of two installations where this pump runs without any issues. Moreover, it can be easily and affordably replaced at that price.
@Stadtvilla19 The pump you found also performs well in terms of specifications. However, it consumes almost twice as much electricity (2.2 kW). If you plan to use automatic irrigation, this will be noticeable since the pump will run several hours per week.
Mercedes is more like Wilo 😉
Mercedes is more like Wilo 😉
rick2018 schrieb:
@icandoit A suction pump is probably not suitable for a height difference of 21 meters (69 feet). It is likely not powerful enough either.
For example, automatic irrigation requires sufficient pressure and flow. In my case, the cistern is only 1 meter (3 feet) lower. I am actually surprised that the well, with a depth of 21 meters (69 feet), worked with a suction pump.
S
Stadtvilla193 Feb 2021 10:21Well, 21m (69 feet) deep doesn’t mean the pump is drawing water from 21m (69 feet) depth; the water level in the well was around 8m (26 feet) or so. It still worked quite well. We installed a connection and always let tap water run for about 1 minute first, then the pump would start drawing immediately. However, this is probably not how it was intended to work, and if you want to set up automatic irrigation, it won’t work at all.
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