On 07/03/2025 16:29, No mail wrote:

A second Stuart-Turner Diver 35 pump has failed after very little use,
so I'm looking for a non S-T replacement. Alternatively, I know that S-T import these pumps and mark them up so it would be useful to find the original manufacturer - the pump details are here: https://www.stuart-turner.co.uk/contentfiles/STL-STUART-DIVER-50HZ-19691-DS.pdf.
All suggestions gratefully received.

The L-E resistance is about 5kohms so the pump trips an RCD. It runs OK without an earth connection so I guess a seal has failed, but at the
moment I can't see how to get inside :-(

How deep is the well water level?
keep us informed on getting inside, I suspect they are fully encased moulded-in, ie a real hacking job to get inside.

--
Global sea level rise to 2100 from curve-fitted existing altimetry data <http://diverse.4mg.com/slr.htm>

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On 07/03/2025 16:29, No mail wrote:

A second Stuart-Turner Diver 35 pump has failed after very little use,
so I'm looking for a non S-T replacement. Alternatively, I know that S-T import these pumps and mark them up so it would be useful to find the original manufacturer - the pump details  are here: https://www.stuart-turner.co.uk/contentfiles/STL-STUART-DIVER-50HZ-19691-DS.pdf. All suggestions gratefully received.

The L-E resistance is about 5kohms so the pump trips an RCD. It runs OK without an earth connection so I guess a seal has failed, but at the
moment I can't see how to get inside :-(

Can't you get it replaced under guarantee?
--
In theory, there is no difference between theory and practice.
In practice, there is.
-- Yogi Berra

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A second Stuart-Turner Diver 35 pump has failed after very little use,
so I'm looking for a non S-T replacement. Alternatively, I know that S-T
import these pumps and mark them up so it would be useful to find the
original manufacturer - the pump details are here: https://www.stuart-turner.co.uk/contentfiles/STL-STUART-DIVER-50HZ-19691-DS.pdf.
All suggestions gratefully received.


The L-E resistance is about 5kohms so the pump trips an RCD. It runs OK
without an earth connection so I guess a seal has failed, but at the
moment I can't see how to get inside :-(

--- SoupGate-Win32 v1.05
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The Natural Philosopher wrote:

On 07/03/2025 16:29, No mail wrote:

A second Stuart-Turner Diver 35 pump has failed after very little use,
so I'm looking for a non S-T replacement. Alternatively, I know that
S-T import these pumps and mark them up so it would be useful to find
the original manufacturer - the pump details  are here:
https://www.stuart-turner.co.uk/contentfiles/STL-STUART-DIVER-50HZ-19691-DS.pdf.
All suggestions gratefully received.


The L-E resistance is about 5kohms so the pump trips an RCD. It runs
OK without an earth connection so I guess a seal has failed, but at
the moment I can't see how to get inside :-(

Can't you get it replaced under guarantee?

They replaced the first one that failed, but the warranty is only 1 year
so they won't replace this second failure. They aren't cheap pumps, and
such a short warranty seems pretty poor for a company that trades on a perception of quality. They told me that they don't make these pumps themselves, so I presume it's the usual Chinese re-badge

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N_Cook wrote:

On 07/03/2025 16:29, No mail wrote:

A second Stuart-Turner Diver 35 pump has failed after very little use,
so I'm looking for a non S-T replacement. Alternatively, I know that S-T
import these pumps and mark them up so it would be useful to find the
original manufacturer - the pump details  are here:
https://www.stuart-turner.co.uk/contentfiles/STL-STUART-DIVER-50HZ-19691-DS.pdf.

All suggestions gratefully received.


The L-E resistance is about 5kohms so the pump trips an RCD. It runs OK
without an earth connection so I guess a seal has failed, but at the
moment I can't see how to get inside :-(

How deep is the well water level?
keep us informed on getting inside, I suspect they are fully encased moulded-in, ie a real hacking job to get inside.

I think the bottom of the Well is about 12-15m down; currently, the
water level is about 3m down.
Yes, getting inside without damage is going to be a challenge

--- SoupGate-Win32 v1.05
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On 07/03/2025 16:29, No mail wrote:

A second Stuart-Turner Diver 35 pump has failed after very little use,
so I'm looking for a non S-T replacement. Alternatively, I know that S-T import these pumps and mark them up so it would be useful to find the original manufacturer - the pump details  are here: https://www.stuart-turner.co.uk/contentfiles/STL-STUART-DIVER-50HZ-19691-DS.pdf. All suggestions gratefully received.

The L-E resistance is about 5kohms so the pump trips an RCD. It runs OK without an earth connection so I guess a seal has failed, but at the
moment I can't see how to get inside :-(

I have a pump out the back of the house to pump rainwater away, a long
story but the hole it was in was too deep so the pump ran almost
continuously in wet weather and now I have set the pump close to ground
level it hardly ever runs. Regarding your query I have had a series of
cheap pumps from toolstation and the like and they were surprisingly
good, considering. The one in now has been there several years doing not
much. One did several years of much pumping. I don't expect any of them
to be submerged and still work for very many years, but they don't cost
much and I keep a spare in the shed.
TW

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On 07/03/2025 22:56, TimW wrote:

On 07/03/2025 16:29, No mail wrote:

A second Stuart-Turner Diver 35 pump has failed after very little use,
so I'm looking for a non S-T replacement. Alternatively, I know that
S-T import these pumps and mark them up so it would be useful to find
the original manufacturer - the pump details  are here: https://
www.stuart-turner.co.uk/contentfiles/STL-STUART-DIVER-50HZ-19691-
DS.pdf. All suggestions gratefully received.


The L-E resistance is about 5kohms so the pump trips an RCD. It runs
OK without an earth connection so I guess a seal has failed, but at
the moment I can't see how to get inside :-(

I have a pump out the back of the house to pump rainwater away, a long
story but the hole it was in was too deep so the pump ran almost
continuously in wet weather and now I have set the pump close to ground
level it hardly ever runs. Regarding your query I have had a series of
cheap pumps from toolstation and the like and they were surprisingly
good, considering. The one in now has been there several years doing not much. One did several years of much pumping. I don't expect any of them
to be submerged and still work for very many years, but they don't cost
much and I keep a spare in the shed.

I suppose the pump could be suspended from a float such that is not
exposed to high water pressure.

I have a cheap Chinese submersible moving water from a rainwater tank
into my greenhouse. Just starting the 4th. year of operation...

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On Fri, 3/7/2025 11:29 AM, No mail wrote:

A second Stuart-Turner Diver 35 pump has failed after very little use, so I'm looking for a non S-T replacement. Alternatively, I know that S-T import these pumps and mark them up so it would be useful to find the original manufacturer - the pump

details  are here: https://www.stuart-turner.co.uk/contentfiles/STL-STUART-DIVER-50HZ-19691-DS.pdf. All suggestions gratefully received.

The L-E resistance is about 5kohms so the pump trips an RCD.
It runs OK without an earth connection so I guess a seal has failed,
but at the moment I can't see how to get inside :-(

"I think the bottom of the Well is about 12-15m down;
currently, the water level is about 3m down."

Do you mean the well is mostly full of water (as in the drawing)

-----------+ Well +----------
^ | | ^
| | | 3m
| |/\/\/\/\| v
| | |
15m | |
| | |
| | |
v +--------+

or is the well mostly empty, with 3m of water at the bottom ?

-----------+ Well +----------
^ | |
| | |
| | |
| | |
15m | |
| |/\/\/\/\| ^
| | | 3m
v +--------+ v

You would be exceeding this spec, with the first drawing
(if you lower the pump all the way to the bottom of the pit).
There is 12m of water, over top of an 8m-rated submersible pump.

"Features
• Submersible up to 8 metres"

People who are in a rural area and live on well water,
they would be able to tell you what kind of pump they use.
Maybe it's a jet pump.

https://www.globalspec.com/learnmore/flow_transfer_control/pumps/jet_pumps

"Maximum Head 157FT" <=== does not seem limited to 1 ATM

https://www.amazon.ca/FAHKNS-Shallow-Pressure-Maximum-Automatic/dp/B0CGX431TJ

Paul

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Paul wrote:

On Fri, 3/7/2025 11:29 AM, No mail wrote:

A second Stuart-Turner Diver 35 pump has failed after very little use, so I'm looking for a non S-T replacement. Alternatively, I know that S-T import these pumps and mark them up so it would be useful to find the original manufacturer - the pump

details  are here: https://www.stuart-turner.co.uk/contentfiles/STL-STUART-DIVER-50HZ-19691-DS.pdf. All suggestions gratefully received.

The L-E resistance is about 5kohms so the pump trips an RCD.
It runs OK without an earth connection so I guess a seal has failed,
but at the moment I can't see how to get inside :-(

"I think the bottom of the Well is about 12-15m down;
currently, the water level is about 3m down."

Do you mean the well is mostly full of water (as in the drawing)

-----------+ Well +----------
^ | | ^
| | | 3m
| |/\/\/\/\| v
| | |
15m | |
| | |
| | |
v +--------+

or is the well mostly empty, with 3m of water at the bottom ?

-----------+ Well +----------
^ | |
| | |
| | |
| | |
15m | |
| |/\/\/\/\| ^
| | | 3m
v +--------+ v

You would be exceeding this spec, with the first drawing
(if you lower the pump all the way to the bottom of the pit).
There is 12m of water, over top of an 8m-rated submersible pump.

"Features
• Submersible up to 8 metres"

People who are in a rural area and live on well water,
they would be able to tell you what kind of pump they use.
Maybe it's a jet pump.

https://www.globalspec.com/learnmore/flow_transfer_control/pumps/jet_pumps

"Maximum Head 157FT" <=== does not seem limited to 1 ATM

https://www.amazon.ca/FAHKNS-Shallow-Pressure-Maximum-Automatic/dp/B0CGX431TJ

Paul

It's your first sketch - nearly full - but the pump is suspended on a
rope, at an appropriate depth

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