Jojo tank pump options

dontbedead

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Hi All,

With the continuous burst pipes in the Norscot/Fourways area, my wife has put pressure to fast track our borehole plans.

For now I want to do a stage 1 where I fit a 5kl Jojo and connect the municipal water via T valve to the Jojo so I can switch between running municipal straight into the house or going through the Jojo (I have solar with limited battery so I'd prefer to not run the pump at night but keep recycling fresh water into the tank during the day). I'm assuming this storage amount should give me 4 to 7 days of water use if pipes are being repaired etc.

Phase 2 will be to drill the borehole (already marked) and, provided they find water, pipe it to the Jojo, add a filtration system and run as such unless the borehole is running dry in which case I top up with municipal water. This may only happen next year though.

The plumber was speaking about a valve to stop back-flow etc. I have sonoff devices fitted in the house and when the electrician fits power for the pump I'll get him to install a smart outdoor plug so i can schedule the pump to switch off at night. That should allow me to turn the t-valve outside the kitchen door to direct municipal supply and not require me to walk across the property to switch off the pump as well. Will this be necessary or will the pump not run at all if municipal water is feeding directly into the house?

My main question now is on which pump to use from the Jojo into the house. They do have some general guidelines on websites but I'd prefer to hear about actual experiences if anyone has one of these pumps fitted.

The intention is to ensure I have minimal hassles once we're off the grid without spending unnecessary money. From the forums it seems DAB pumps are great value for money. I've found a reseller with really good pricing but not sure if the higher spec will be required. I have a cottage on the property for the in-laws so assume 2 households (2 showers could be running simultaneously with a washing machine etc) with 5 people in total. The sprinklers i can set to run outside of showering times etc and we can control the washing machine /dishwasher use for during the day or late at night (cottage i can't fully control unfortunately). Will the lower spec pump take a bit of strain, or is the bigger spec an unnecessary expense?

Larger 1.1kw pump
https://www.mahpumps.com/product-page/e-sybox

smaller 0.75kw pump
 
I had an e.sybox. Great pump, very quiet and efficient - so much so that I just left the water supply running through the tank all the time, with the pump always feeding the house. Stable consistent pressure and we never even knew there was a water outage until the whatsapp groups went mental.

Bear in mind it's an inverter pump so it only runs at the necessary power to provide the flow and pressure being demanded at that particular point. Mine generally got to a whole 300W at peak usage.
 
Hi All,

With the continuous burst pipes in the Norscot/Fourways area, my wife has put pressure to fast track our borehole plans.

For now I want to do a stage 1 where I fit a 5kl Jojo and connect the municipal water via T valve to the Jojo so I can switch between running municipal straight into the house or going through the Jojo (I have solar with limited battery so I'd prefer to not run the pump at night but keep recycling fresh water into the tank during the day). I'm assuming this storage amount should give me 4 to 7 days of water use if pipes are being repaired etc.

Phase 2 will be to drill the borehole (already marked) and, provided they find water, pipe it to the Jojo, add a filtration system and run as such unless the borehole is running dry in which case I top up with municipal water. This may only happen next year though.

The plumber was speaking about a valve to stop back-flow etc. I have sonoff devices fitted in the house and when the electrician fits power for the pump I'll get him to install a smart outdoor plug so i can schedule the pump to switch off at night. That should allow me to turn the t-valve outside the kitchen door to direct municipal supply and not require me to walk across the property to switch off the pump as well. Will this be necessary or will the pump not run at all if municipal water is feeding directly into the house?

My main question now is on which pump to use from the Jojo into the house. They do have some general guidelines on websites but I'd prefer to hear about actual experiences if anyone has one of these pumps fitted.

The intention is to ensure I have minimal hassles once we're off the grid without spending unnecessary money. From the forums it seems DAB pumps are great value for money. I've found a reseller with really good pricing but not sure if the higher spec will be required. I have a cottage on the property for the in-laws so assume 2 households (2 showers could be running simultaneously with a washing machine etc) with 5 people in total. The sprinklers i can set to run outside of showering times etc and we can control the washing machine /dishwasher use for during the day or late at night (cottage i can't fully control unfortunately). Will the lower spec pump take a bit of strain, or is the bigger spec an unnecessary expense?

Larger 1.1kw pump
https://www.mahpumps.com/product-page/e-sybox

smaller 0.75kw pump


All depends on your flow rate and pressure required. Generally many households who have a standard .75kw booster pump struggle once a few taps are open. The two main drivers to look out for are flow rate and then pressure. Hence it will be better to get a VSD (variable speed drive) type pump so you can then control both the flow rate and pressure. There are not many good quality VSD pumps around and the E.sybox seems to be the most popular here in SA.



I have the 1.1kw E.sybox and can highly recommend it



The pump remains in standby until a tap is open so there will be no need to manually turn off the pump for your scenario above.
 
Hijacking this thread...

What kind of pump would I need if I want to connect a 1850L Jojo tank... just to "service" 2x toilets?

My dad bought the tank and wants to connect it up to "make use" of it for the toilets.

Thanks,
 
Hijacking this thread...

What kind of pump would I need if I want to connect a 1850L Jojo tank... just to "service" 2x toilets?

My dad bought the tank and wants to connect it up to "make use" of it for the toilets.

Thanks,
Put it a few meters above the kakhuise and it should gravity feed sufficiently.
 
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