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Electric Shower Overheating issue
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I started reading the thread, was going to reply but got sidetracked.
Just wondering why you say this? The Triton T90's that Ive seen instructions for say an isolation switch should be fitted and used (switched off) when the shower is not in use.
My own if switched off when in use, will not operate if you try turn it back on soon after it has been running very warm/hot, (thermal cut off/out of some description on the can I'd say), when it does some of the water will still be hot, too hot for comfort.
Ive tried to promote the idea of running it cold even briefly after finishing in the shower in my house but I may as well be talking to the dead or a wall, I do this on the basis that I think its safer if someone just gets in after another person has just finished and because I think its better (potential longevity of the shower life) not to let hot water just sit there. I also suggest for safety to let the shower run before its aimed at the person taking the shower, I do this as I dont like to get a blast of cold (or hot) water before the temp stabilises.
But I always shut off the isolation switch and only one has ever burned out and that was after edit over the duration of 2 tritons over 17 years, the first one shower lasted ten with heavy use.edit the first switch lasted 6 years and was replaced.
I had meant that not to use the bower button to turn the shower off. Some people use the pull cord to turn the shower itself off. This will damage the pull cord switch
If after you turn off the shower by its own power button then there is nothing wrong with you leaving the pull cord on or off. That choice is yours.
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I dont have a thermostatic mixer, looking to get one, but I still think they will be easier on the use of hot water/energy to heat (money) and water usage (money soon) than the electric, which I checked once and was suprised at the water usage. The shower from the hot water tank is just from the bath tap/shower connection currently, pressure is acceptable, despite this the other half prefers not to use it, even when there is water in the tank (another story/thread).
I was beginning to think from considering the operation of my shower (it expels some hot water if its turned on soon after its been used previously), its a T 90xr from reading here, I began to think that it might have a faulty outlet thermal cut out.
from the diagram in the manual it looks like the cut out is available as a seperate replaceable component but with some wiring in the part numbered item.
Although page 16 has a warning that confirms what happens with my shower. "That a slug of hot water can be expelled if turning on after recently turning shower off".
It looks like the outlet thermal cut out is connected/can interrupt the water supply via the inlet solenoid if operated. Although by the diagram I'm not sure how this is done unless there is other wiring not shown?
If you had a faulty tco you would have cold water all the time.
Your tco is working perfectly.
When you turn off the shower the water stops flowing through the heating can but the elements are still hot. So the elements continue to heat the already hot water remaining in the can, You will hear a little pop as the tco trips ( even though there is no power to the elements). If you turn on the shower now you'll get very hot water for a few seconds. This is normal & how all electric showers work. I'd imagine there is a warning in the manual. 0 -
If you had a faulty tco you would have cold water all the time.
Your tco is working perfectly.
When you turn off the shower the water stops flowing through the heating can but the elements are still hot. So the elements continue to heat the already hot water remaining in the can, You will hear a little pop as the tco trips ( even though there is no power to the elements). If you turn on the shower now you'll get very hot water for a few seconds. This is normal & how all electric showers work. I'd imagine there is a warning in the manual.
Do you ever descale any shower cans?0 -
It will heat up. I'm only having a laugh here.
The OP problem is likely limescale anyway. But showers often trip over heat stats after use anyway.
Can we kiss & make up here. I'm a plumber by trade but specialize in showers (not a layman). I proudly say I know my showers.
You are a very knowledgeable guy & I don't claim to come close to what you know. I can learn from you & already have. But you have a habit of boxing someone in a corner & quite often for no reason. People slip up in their comments when heavy debate is going on doesn't mean you have to beat them with it.:)
Likewise I'm sorry for any comments that may have caused offense. 0 -
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Of course. I have been doing too much messing lately here.Can we kiss & make up here.I'm a plumber by trade but specialize in showers (not a layman).
Ive lots of time for plumbers in real life. I do some myself now and again(A layman plumber)
Yes, you seem to alright.I proudly say I know my showers
In all honesty, not really. I used to try assist people in the forum more, but the last while, I have only been having a laugh more. Getting carried away sometimes.You are a very knowledgeable guy
Every regular here has learned lots imo.I can learn from you & already have
Yes, as I said, im messing too much. I probably always did a little. But worse now. I knew what you meant by pressure switch activating the micro switches.But you have a habit of boxing someone in a corner & quite often for no reason. People slip up in their comments when heavy debate is going on doesn't mean you have to beat them with it.:)
None did.Likewise I'm sorry for any comments that may have caused offense.0 -
Of course. I have been doing too much messing lately here.I'm a plumber by trade but specialize in showers (not a layman).
Ive lots of time for plumbers in real life. I do some myself now and again(A layman plumber)
Yes, you seem to alright.
In all honesty, not really. I used to try assist people in the forum more, but the last while, I have only been having a laugh more. Getting carried away sometimes.
Every regular here has learned lots imo.
Yes, as I said, im messing too much. I probably always did a little. But worse now. I knew what you meant by pressure switch activating the micro switches.
None did.
You just made my day!0 -
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I had meant that not to use the bower button to turn the shower off. Some people use the pull cord to turn the shower itself off. This will damage the pull cord switch
If after you turn off the shower by its own power button then there is nothing wrong with you leaving the pull cord on or off. That choice is yours.
Just a cautionery word re leaving pull cord on. A relative of mine was showering one day (Mira Sport) and just before she finished the shower the water pressure dropped off and the water went cold so she hopped out of the shower and forgot to press the on/off button. or pull the cord. She was out of the house for 3 or 4 hours and when she returned her bathroom had turned into a sauna and the shower was running. It was pretty obvious that the mains pressure had recovered while she was out and the shower just carried on. It was lucky she hadn't gone away on holidays for a week or so.0 -
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A little off the topic here but I hope this is ok.
I got a call about a year ago on a Saturday morning,from a lady in Skerries. A polish lady, she told me the pump on her Triton T90xr wouldn't turn off. No water coming out put pump running. It didn't make sense to me but I quoted €75 call out & off I went.
When I got there sure enough I heard the pump going but no water. I took the cover off, pump wasn't spinning but I could hear it loud & clear. I pulled the pull cord & still the noise.
I wont describe everything I tried But I was there over half an hour and still no joy.
I'd been up & down the stairs like a yo-yo. No noise in the attic & no noise downstairs. only noise in the bathroom. I shut the gas heating off, ran the taps, I even shut the power off to the whole house.
I was going to tell I can't sort it out & there would be no charge as I couldn't fix it.
I thought I'd take the cover off the shower again. Nothing. I felt the wall the shower was on, then the next tiled wall. Nothing. I put my hand on the glass shower screen to help myself up from a kneeling position. The shower glass was vibrating. I looked closer. I found a pink lady razor, the type that takes batteries. She had a shower at 6am & shaved her bits while showering. She turned off the shower but had left the razor vibrating against the glass. Not knowing this she assumed it was the shower pump!
I charged her €50 & felt bad even at this because I hadn't repaired anything.
John T Carroll's story about his sister reminded me of this. This was the one job that I nearly walked away from! I'm glad I found out what was wrong. 0 -
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