Hot Water Control with External Sensor

43 votes

How about making any of your stats do hot water control using the external sensor as a cylinder probe? This would avoid the additional expense of buying and wiring an additional cylinder stat and enable the user to see what the temperature of their cylinder is. It would require very little change to existing functionality and no change to hardware. Cheers, John.

Not planned New Product Ideas Suggested by: John (23 Aug, '19) • Upvoted: 16 Nov • Comments: 13

Comments: 13

01 Sept, '19
Andy
Changing the temp scale on neo stats to 100 deg C max would enable the existing stats to integrate with neo system to monitor tank temp and allow smart control of existing HW control!
13 Nov, '19
Rob
This would also help with user who have hot water cylinders in locations which are difficult to access.
23 Jan, '20
Gatt
+1 on increasing the temperature scale on the existing stats. They already read that high, but the app doesn’t recognise the higher temps, IFTTT has a max of 35 and would be able to alert when normal tank temperature is low, as one example of increased flexibility.
31 May, '20
Pete
This is an excellent idea, I have similar functionality on an Old Owl system and it means you can see in my case if the solar thermal is working and don’t have to target very hot water (I have a heat pump) when 45 degrees is enough, except once a week to get over 60 degrees.
15 Mar, '21
William Barnard
I'm building my own from off the shelf components so it can't be too hard. That said, there might be legislation around digital tank stats.
If the decision on this is reversed, could it have programmable histerisis for thermal stores.
21 Mar, '21
Mike
I have just been searching the internet as this is exactly what I want to do. Connect a probe to a underfloor heating stat and use that How difficult could it be I am shure it would be a best seller
27 Nov, '21
John Doe
Can I second two ideas.

1. A domestic hot water temp neostat with set point temp and cylinder listeria sterilise once a week. I.e auto allow temp to rise above set to 65 deg plus but alert if temp not reached.

2. A UfH water temp neostat based on fancoil neostat for heating and cooling, with external pocket sensor for manifolds . Need to somehow also incorporate dew point protection monitoring at the manifold. Temp adjustment , example on linear 5degree (adjustableJ increase based on weather compensation would also be useful.
11 Dec, '21
Barry A
it's a shame that something like the Tesla T-Smart Hot water thermostat could not be integrated into the the system or something developed by Heatmiser to have similar features. I particularly like the Anti Legionella function, the smart features and the 5 water heater operating modes.
23 Mar, '22
Trevor Carter
it would be of great benifit for immersion heater control utilising (via neo stat E) higher operating range 60 deg
07 Nov, '22
Jasper
The other advantage of having a NeoStat v2 monitoring/controlling your hot water is that you can use the "Enhanced History" to see the history of your water heating usage during the year. Also the fact that you could log in and see exactly the current temp of your hot water to make judgment on the need to boost the water and all remotely.
21 Nov, '22
Alan Ambrose
Actually, I've used a workaround to get this running. I've had it running successfully for a couple of years in two properties. Each property has two immersion heaters driven by two neoStats for the tank. That way I get both failure back-up and fast heating if I need it. BTW these suggestions pages should be made into a proper forum.
04 Dec, '22
SimonT
As there are two external probe inputs on existing V2 Neostats one could control cylinder temp and the second (ie the 'floor' sensor) could be an external sensor for frost. Or maybe a bottom cylinder sensor. Mid sensor for hotwater, lower sensor for heating.
14 Mar
Roger Sydenham
This would be great to control the hw flow and return to a hot tub heat exchanger with a temperature probe and neostat if the max temperature was 40 degrees