Hello, I have just registered.
What is common in Japan is starting to become established in Germany, in my observation: the toilet with a bidet function.
I have an Axent.one, am completely satisfied with it, and am currently advising friends to get one as well.
Two years have passed since then, and more companies now offer similar products.
The question I have now concerns the warm water.
My toilet has a power connection and heats the water with a small on-demand heater. It takes about 3 seconds for the water temperature to switch from cold to warm on the skin – which is fine.
There is now a model from Tece, called Teceone, which uses the house's warm water supply, so it doesn’t need electricity but requires a hot water connection.
In principle, I prefer this to the on-demand heater variant, but in the relevant house, there is no hot water recirculation system. The water stays cold as long as it takes to travel from the hot water tank to the outlet.
In this case, the distance is very short – about 2 or 3 meters (6.5 or 10 feet) – but since not much water flows through such a “rear spray,” it will definitely take much longer than 3 seconds.
My Axent has a flushing function for the “spray nozzle” that extends where water already flows before the cleaning jet starts.
If this function were also present in the Tece model and thus warm water was already “on its way,” I could imagine it would be acceptable.
But I can imagine a lot – and hope for even more – yet no one can tell me for sure what will actually “arrive” (not come out) without having installed and tested it...
Or can they?
I assume only a few people in the world can relate to this question, so I would truly appreciate detailed feedback.
What is common in Japan is starting to become established in Germany, in my observation: the toilet with a bidet function.
I have an Axent.one, am completely satisfied with it, and am currently advising friends to get one as well.
Two years have passed since then, and more companies now offer similar products.
The question I have now concerns the warm water.
My toilet has a power connection and heats the water with a small on-demand heater. It takes about 3 seconds for the water temperature to switch from cold to warm on the skin – which is fine.
There is now a model from Tece, called Teceone, which uses the house's warm water supply, so it doesn’t need electricity but requires a hot water connection.
In principle, I prefer this to the on-demand heater variant, but in the relevant house, there is no hot water recirculation system. The water stays cold as long as it takes to travel from the hot water tank to the outlet.
In this case, the distance is very short – about 2 or 3 meters (6.5 or 10 feet) – but since not much water flows through such a “rear spray,” it will definitely take much longer than 3 seconds.
My Axent has a flushing function for the “spray nozzle” that extends where water already flows before the cleaning jet starts.
If this function were also present in the Tece model and thus warm water was already “on its way,” I could imagine it would be acceptable.
But I can imagine a lot – and hope for even more – yet no one can tell me for sure what will actually “arrive” (not come out) without having installed and tested it...
Or can they?
I assume only a few people in the world can relate to this question, so I would truly appreciate detailed feedback.
I’m not familiar with "Tece," but isn’t this flushing function of the spout quite standard?
I also consider a hot water line to be a less favorable option compared to a small tankless water heater. Either you need continuous circulation, or you have to run out the cold water in the pipe first. With such low consumption volumes, it likely won’t even get warm...
The Tece extends the spout based on water pressure. So, you will probably have cooler water at the beginning.
Nowadays, there are many manufacturers. Most major brands buy components from the market leader Toto. I would tend to rely on a supplier like that.
I also consider a hot water line to be a less favorable option compared to a small tankless water heater. Either you need continuous circulation, or you have to run out the cold water in the pipe first. With such low consumption volumes, it likely won’t even get warm...
The Tece extends the spout based on water pressure. So, you will probably have cooler water at the beginning.
Nowadays, there are many manufacturers. Most major brands buy components from the market leader Toto. I would tend to rely on a supplier like that.
The Tece extends the nozzle using the water pressure.
Right ... I hadn’t thought about that yet: the part has to move — not just out, but also back in.
“Flushing function is standard”?
No idea, but probably yes.
The manufacturer is not that important to me (for now). What matters most is the water temperature on the backside when no electricity is flowing — and I expect it to be ice cold unless someone can convincingly prove otherwise.
Right ... I hadn’t thought about that yet: the part has to move — not just out, but also back in.
“Flushing function is standard”?
No idea, but probably yes.
The manufacturer is not that important to me (for now). What matters most is the water temperature on the backside when no electricity is flowing — and I expect it to be ice cold unless someone can convincingly prove otherwise.
We have the TeceOne. When the circulation pump is running, it takes about 2 seconds for warm water to arrive. You can open the tap slowly at first, so the water pressure isn’t strong enough to make the stream splash. After 2–3 seconds, open it fully, and warm water flows immediately at the outlet.
The circulation pump is always on in the morning. Outside of this time, I activate it by briefly opening the hot water tap (turning on the hot water once for a short moment).
The advantage of the Tece system is that basically nothing can break since it is essentially just a faucet.
The circulation pump is always on in the morning. Outside of this time, I activate it by briefly opening the hot water tap (turning on the hot water once for a short moment).
The advantage of the Tece system is that basically nothing can break since it is essentially just a faucet.
Ahh ... thanks for the information.
I don’t have a circulation pump ... I mean: none at all, not just non-functional ...
The hot water tank is located quite conveniently, right next to the toilet, but it’s still 2 to 3 meters (6.5 to 10 feet) of piping away.
I am starting to move away from the basically smart “no electricity” option ...
I don’t have a circulation pump ... I mean: none at all, not just non-functional ...
The hot water tank is located quite conveniently, right next to the toilet, but it’s still 2 to 3 meters (6.5 to 10 feet) of piping away.
I am starting to move away from the basically smart “no electricity” option ...
I’m currently considering the possibility of a circulation line that delivers hot water more quickly to the farthest tap.
I rejected this option during construction because my idea was: you just have to wait a bit longer for the hot water, but you don’t waste energy continuously and the house doesn’t become uncomfortably warm in summer...
In the meantime, I’ve found that there are many conflicting arguments both for and against it.
One reason I’m thinking about this is that the wait for hot water is longer than I expected and more than what feels comfortable.
(My investigations concern both my house and our neighbors’, so there are some differences.)
My hands are usually already washed with cold water before the warm water arrives.
(I measured about 4 liters earlier.)
That alone wouldn’t be too bad, but what bothers me is that the hot water then cools down in the pipe without anyone benefiting from it.
So you have to estimate each time before turning on the tap whether it will run for a short or longer time and decide accordingly to use warm or cold water.
This bathroom is used almost exclusively by my wife and me, but still...
... and while searching for the ideal solution (none found that could be reasonably implemented after construction), I came across the issue of Legionella bacteria, which are difficult to prevent both with and without a circulation line.
The disease caused by Legionella is reportedly rare but can be fatal...
A heat treatment in the pipe of 70°C (158°F), which kills Legionella, can be “easily” achieved with such a circulation system, but that again has other disadvantages.
For now, I have no plan other than to leave everything as it is and assume that nothing will happen.
I rejected this option during construction because my idea was: you just have to wait a bit longer for the hot water, but you don’t waste energy continuously and the house doesn’t become uncomfortably warm in summer...
In the meantime, I’ve found that there are many conflicting arguments both for and against it.
One reason I’m thinking about this is that the wait for hot water is longer than I expected and more than what feels comfortable.
(My investigations concern both my house and our neighbors’, so there are some differences.)
My hands are usually already washed with cold water before the warm water arrives.
(I measured about 4 liters earlier.)
That alone wouldn’t be too bad, but what bothers me is that the hot water then cools down in the pipe without anyone benefiting from it.
So you have to estimate each time before turning on the tap whether it will run for a short or longer time and decide accordingly to use warm or cold water.
This bathroom is used almost exclusively by my wife and me, but still...
... and while searching for the ideal solution (none found that could be reasonably implemented after construction), I came across the issue of Legionella bacteria, which are difficult to prevent both with and without a circulation line.
The disease caused by Legionella is reportedly rare but can be fatal...
A heat treatment in the pipe of 70°C (158°F), which kills Legionella, can be “easily” achieved with such a circulation system, but that again has other disadvantages.
For now, I have no plan other than to leave everything as it is and assume that nothing will happen.
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