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D_Hailsham - thanks again. I'll re-do this balancing. Re-reading the balancing FAQ I see that some of my questions were answered there - so apologies for not spotting that. The infra-red thermometer I have should allow me to do the inlet/outlet stuff and hopefully I am close to the right...

RESULTS OF BALANCING Before I started, the lockshield valves were all very different settings - a couple pretty much fully open (5 turns or so). After 4 rounds, the rads felt pretty close in temperature. I was surprised that I did not have to open them far - the least was only set at the...

D_Hailsham - I fear I am confusing you. The cylinder DOES have a tank stat. The sensor is about 1/3rd way up the tank. The stat (a RAVI) is on the exchanger inlet. The tank has four pipes - a water inlet at the bottom, and outlet at the top. And an exchanger (I assume) in and out in the...

HOT WATER TANK This is both immersion and from boiler. I think all questions about this are sorted and I need to set the tank stat to around 60 degrees. BOILER PIPES QUESTION Apart from the gas (which is at the lowest point I think) there are four pipes at the back of the boiler - two on...

This is just about the hot water cyclinder for now The cylinder is small, with an imersion heater. There is no valve or pump with the cylinder. There is only one pump on the whole heating system (a Myson Unit three) and it is downstairs next to the boiler. So I assumed that the hot water...

Thanks everyone. Very impressed by the response. I'm going to take a good look tomorrow and try some of this. One or two questions (mainly about the VERY hot rad) - but I'll post again tomorrow. Thanks.

Thanks D_Hailsham and Alfredo for such a quick and helpful response - ANSWERS 1. Room stat set low at 19C - as we thought that would be warm enough - perhaps not. We'll try higher. 2. TRV4s downstairs are set at 4 in kitchen diner 4 in middle room 5 in front room...

Hello, first post here - about our central heating controls - checked other posts here, and got some ideas, but hope others can give a bit more advice. We have a 1920s 3-bed older house, mostly single-glazed, and although not very cold, can take a bit to heat up. We've had all the TRVs...