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I suspect I have a small leak in the heating system. After topping up on Sunday afternoon 10th, I observed this tiny drop in pressure 2.5 days later 13/12. A leak specialist mentioned this product - CT1 Miracle Seal. He says it fixes small leaks permanently and it doesn’t clog the system. Thoughts?

Hi, Thanks for your answer. I have x2 2ports. This is the sound the port makes when the thermostat kicks in. It sounds like it could be damaged?

Hi, I have exactly the same issue, Worcester boiler and Drayton wiser kit 2 (conventional boiler). I was told it’s probably the 2 port valve…

Thanks.. but A goes on only when I set the temperature above the current temperature (on a timer or I do it immediately. So it comes on when it’s calling for the boiler to turn on…. What can I do in these circumstances. It it just didn’t work it would have been easy to detect, I guess…

When I set it to be on via phone, light A comes on (telling it to be on), but light B won’t come on, so the boiler doesn’t start. I either need to set A on and off several times via phone, or turn it off and on again via switch (C). When I set the water to be on, it works instead, and green...

I wish the app allowed easy switch between the two accounts..

Using different login details though… as using the same login won’t allow me to add a new hub. So had to login with a different account instead.

iOS…

I had 2 Drayton Wiser kits installed, one on a combi boiler in the annex and one on the other boiler with water tank. I had to use 2 accounts as it wouldn’t let me add another hub when already connected with the first hub in the account. How do I access both of them in the same app on the same...

I am interested in a system where the boiler can be modulated, not just turned on and off. Is it true that if I install a Worcester Bosch EasyControl Adaptork I can then modulate the boiler via any smart thermostat? Or do I still need a bosh thermostat...

I have a Worcester Bosch Greenstar Ri (no opentherm) connected to a Honeywell ST9400S. It the has an old style wheel to set the temperature, on my wall in the hall. This honeywell is a bit old style and doesn't allow me to have different timer e.g. at the weekend, or control it via phone app...

Thanks. It’s a new place I moved into. Boiler never been serviced in like 10 years and I assume the expansion vessel. the Boiler was recently serviced and fixed. Since then we noticed the expansion vessel pressure would drop within 2 days of topping up. Today a plumber came over and saw one...

Hi, We have a leak in the expansion vessel, which is on the first floor, above the hot water cylinder. As we wait for a plumber, can we keep the heating on?

I don’t see a thermostat on my cylinder.. I assume it’s only inside and cannot be set to a temperature (temp only set on the boiler) and that’s why I don’t see it ?

Thanks to everyone, you are all so helpful. I keep thinking that back in the flat with the simple boiler (no cylinder) it was all so easy… no need to plan anything. When the hot water was needed, the boiler would go on and heat it up..

Thanks that makes sense. I think my 6 year old had a super long shower…. do you think that if I hit the extra hr button before starting the first shower I’d produce enough additional hot water to have that additional shower that today I couldn’t have?

With the situation below, this morning we had 4 showers, and the forth person had cold water.. I turned on an extra hour on the boiler at that point, but the water was still cold… (I really wish the system was smart enough to send water to the shower first.. and then fill the cylinder). i...

Thanks so much for your detailed answer. People like you make these forums an amazing source of information. 1) with regard to “Your uninsulated pipes especially the on at the top will be loosing heat though”, how easy/expensive is to get those insulated? Can I do it myself? 2) you mentioned...

Thanks to those who replied. I’ve turned off the hall one and set the timer to come on 2 times a day. Initially it was only 1 hr each time and I realised that it left us with cold water (after 2 people took long showers) so I bumped it up to 2.5 hours each time. I’ll do a bit of trial and...

Hi, Just moved into a house from a flat and I have a couple of queries. We have a Worcester gas fired boiler - Greenstar Ri (in the kitchen on ground floor) and a megaflow (on the first floor) plus a small red tank that I do not know what it does. Heating is set to off on the boiler, while...