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February 21, 2025
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Smart meter installed as Economy 10 - how will this affect my cylinder water supply?

  • February 21, 2025
  • 59 replies
  • 1320 views

Smart meter installed/replaced today, will update if any issues. Engineer was a lovely chap, gone for economy 10 as split over 3 sections in 24 hours. Just minding on we have a 210 litre unvented cylinder which was wired to heat in the offpeak previously, this should remain the same ie heat during those new off peak timeslots? Also the old economy 7 boost box was left in situ and advised to continue using this for a boost if required (but hopeful the boosts will be less necessary if heating up the water during 3 slots during the day). There is no boost function on the new meter. See pic of meter and said boost box/new meter set up.

Best answer by Ben_OVO

Updated on 10/12/25 by Abby_OVO

 

Hi ​@Albot81!

 

Thanks for creating this helpful topic. I’m really happy to hear that the appointment went well, and thank you for the kind feedback about our engineer. If you remember their name we’ll be able to pass the feedback on to their manager. Fingers crossed - Economy 10 should ensure that the water is heated up regularly enough so that the old Boost function isn’t required. I just want to link in ​@Blastoise186 here as well as can see he was speaking to you previously about this.

 

Keep us updated as to how it goes with your new set up. I’ve linked some handy previous topics below 👇

 

 

That's great, OVO got back on the chat today just to say it'll take 6 weeks for it all to synch, and then the boost option should appear on the IHD, and also link up with the new regime. Hours were still to be confirmed they said due to synching. 

59 replies

Albot81Author
Rank 4
February 21, 2025

 

Albot81Author
Rank 4
February 21, 2025

 

Ben_OVO
Community Manager
Ben_OVOSolved
Community Manager
February 21, 2025

Updated on 10/12/25 by Abby_OVO

 

Hi ​@Albot81!

 

Thanks for creating this helpful topic. I’m really happy to hear that the appointment went well, and thank you for the kind feedback about our engineer. If you remember their name we’ll be able to pass the feedback on to their manager. Fingers crossed - Economy 10 should ensure that the water is heated up regularly enough so that the old Boost function isn’t required. I just want to link in ​@Blastoise186 here as well as can see he was speaking to you previously about this.

 

Keep us updated as to how it goes with your new set up. I’ve linked some handy previous topics below 👇

 

 

That's great, OVO got back on the chat today just to say it'll take 6 weeks for it all to synch, and then the boost option should appear on the IHD, and also link up with the new regime. Hours were still to be confirmed they said due to synching. 

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Albot81Author
Rank 4
February 21, 2025

That's great, OVO got back on the chat today just to say it'll take 6 weeks for it all to synch, and then the boost option should appear on the IHD, and also link up with the new regime. Hours were still to be confirmed they said due to synching. 

Albot81Author
Rank 4
February 21, 2025

Anf the chaps name it's terrible i forget, but a nice guy from Cardiff! Who was staying up in dreich Dunoon for 2 weeks. Liam was on the OVO chat this morning, also very helpful.

Blastoise186
Super User
Super User
February 21, 2025

Hello,

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Apologies, but my master appears to be on-duty elsewhere today and can't respond at this time. He has been notified and will provide a response when he is available. It is expected he will return by 10pm this evening. 

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Albot81Author
Rank 4
February 21, 2025

Thanks for all help guys and aye I'll keep posted. I mentioned to ​@Firedog on another post that i was just a bit baffled as was told the IHD has no boost feature, but then OVO said it will take up to 6 weeks to happen? And just to continue using the old e7 boost box if needed, but i thought that was redundant. Hopefully the need to boost will be less anyway if heating off peak in the afternoon anyway.

Blastoise186
Super User
Super User
February 21, 2025

Sorry for the delay - I was on fire service volunteer duty all day and only just got back.

The Aclara SGM1416-B does support Boost functionality - you’ll find it somewhere in the menus IIRC if it’s available to you. It may also be available via the IHD in some cases.

But yes, as you’re on E10 you probably won’t need Boost Mode anywhere near as much anyway.

If you need any further advice, you know where we are! :)

Securing energy by zapping security bugs... For that is The Blastoise Way! Remember, I'm just like you - AI Powered Evil Geniuses aren't Staff!
Albot81Author
Rank 4
February 21, 2025

@Blastoise186 not a problem just appreciate you all helping out! When you say 'menus IIRC' is that on the meter itself ie outside on the Aclara? Ie pressing the A or B button? The IHD in the house doesn't offer anything in the menu i can see so far to do with boosting.

Firedog
Super User
Super User
February 21, 2025

@Albot81 I explained this in your other thread;

  • The meter’s boost function simply provides power to the switched circuit if it’s not currently live. There are usually options for, say, 15- minute, 30-minute or 60-minute boosts. This can be used to supply power to the storage heaters’ charging circuits to heat up the bricks if they’ve gone cold, and if the immersion heater’s main element is also on this switched circuit, it will also have power available during a boost session.

Because the menus on the Aclara are configurable, I can’t say precisely where you’ll find Start Boost, but it’s probably on Button B somewhere. If you get stuck on a particular menu item, just walk away - the meter display will soon revert to its default state as if nothing had happened.

The sort of scenario when you might use it is, say, when you come back to a cold house after a few days’ absence, but there are hours until the storage heaters next start charging up even though you switch them on as soon as you get home. 

I also wrote earlier today:

  • The meter’s boost function (to override its load control switch) was available on some old IHDs (like the first one I had, the Secure Pipit 500) but I don’t think any modern one has it. You’re not likely to miss it.

 

Noel | I have no official status; I'm just a volunteer who comes here to help other customers. My gear: Aclara SGM 1416-B Electricity-only E7 meter; Chameleon IHD3-PPMID-AAA | It may look as if I know what I’m talking about, but don’t let that fool you. |