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I'm thinking of zoning my heating system and have a Viessmann 200-W boiler. One option would be to site the motorised valves close to the boiler (and the control unit) but the potential downside to this appears to be the potential to close off all of the rads and have no where for the heat to go...

I have a 3 storey house with 17 rads (7 downstairs, 6 first floor, 4 top floor). The top floor is a loft conversion and gets cold very quickly if it's not heated. I find it very difficult to get heat to the top floor. I've got a Viessmann 35kW boiler so I've got the heating capacity for the...

I've been moving some radiators and have had the system drained down. Yesterday I put some system cleaner in to the CHW system. I went through the process of filling, and venting the boiler and all seemed to be fine. This morning when I had a shower the water was alternating between hot and...

I am contemplating buying a viessmann 200 and the plumber has said that if i go for a weather compensation system then i will have very little control over the settings. I assumed that there would be an internal room stat (therometer) as well as the external probe. If I specify a temp of...

We are currently trying to get enough flow to supply two showers in the house (one 1st floor, one 2nd floor). After a previous post and getting Northumbrian Water out, it transpires that the pressure is fine but flow is a problem. I bit the bullet and had a new supply pipe fitted and am now...

Hello All, My Worcester Bosch 240 boiler is currently hanging off the wall and after many years of reliable service is going to the boiler graveyard. My plumber has recommended that I go for a Glow-Worm 38 CXi on the basis that we have a 5 bed/2 shower house. The only problem is that we...

I have noticed that the pressure rises considerably during the heating cycle of my boiler, getting close to 3 bar. One of the effects of this appears to be that the diaphragm valve doesn’t function on the combi boiler meaning we don’t get hot water running to our shower whilst the heating is...

I was having problems with nuisance tripping because my oven was on the downstairs ring main and not on a radial circuit. Every time we had the kettle, TV, oven and microwave on then it would overload. I decided to investigate as the CU has a radial circuit and it transpired that this was...

I guess this is pretty straight forward but I was just interested in a second opinion before I did anything. There are a few bits of quirky wiring in my home (e.g. a downstairs socket running off the upstairs socket ring main!) but the thing I want to tackle is the oven. The consumer unit is...