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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?

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 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 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...

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?

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...