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I know the 415 is only a mixer but it's not very powerful, espicially in the winter when you need more hot to give the heat, I was hoping the high DHW flow of a new boiler would give a bit extra power.

My curent boiler shows it can produce 9.2l per minute at 35oC, the new boiler I'm thinking of will produce 12.3, will this increase the power of my Mira 415 mixer shower?

I'm going to replace my current WB 240 and have been recommended the Greenstar Si or Greenstar CDi. My choice of either 25/30 Si or 27/30 CDi, what I want to know (apart from the obvious DHW and BTU) is what is the main difference with these boilers. Both seem to offer independent DHW...

I can hear the switch clicking when opening the hot tap and closing.

There is a frost setting on the Honeywell digistat but that should only kick in at a very low temp. Could be a new board then?

Bit of an update, I had the heating on for a couple of hours last night, since then the boiler and pump have not come back on, this is how its been going for the last couple of weeks, all ok then all of a sudden constant firing and pump running. I also noticed the pressure went up to near 3...

Yeah its firing up and burning, I've taken the front cover off and you can clearly see a nice bright blue furness!

Recently I've noticed that when I turn the hot tap off the boiler will either continue running or the boiler comes back on shortly after, it fires up and you can hear the pump running even if I switch the boiler to off, the only way to stop it is to turn off at the spur. The Honeywell digital...

When cold the pressure is usually at 0.75 bar but when the heating is on the pressure rises quite quickly to 3+, I then have an issue of needing to top up the following morning as the pressure drops to less than 0.5 bar. I can't see ant leaks. Could it be dumping water through the overflow...

My heating has a rushing/humming noise through the rads, i've fitted a new fan and new Grundfos pump which is set to speed 3, the noise is still evident but a bit less, if I reduce the speed to 2 its a lot better but I've been told to keep it on 3 because its a combi. I can't think what else...

3 metres, thats a pain as with the 2 elbows the total distance would be nearer 4 metres, is there an additional fan or more powerful version available? Also anyone know if the parts are still available?

I'm trying to find out if 90 degree elbows and flue tubing is still available for my boiler. It's a worcester 350, about 12 years old, I've called Worcester and they are not listing the part number for the flue pieces. It's a 110mm external tubing and 60mm internal port diametre. Does...

Recently my boiler has got very noisey when the heating temp of the boiler is high, ie large flames and when demanding hot water, initially we thought it was the fan not up to the job, this was replaced and all seemed fine for a couple of days now it's started again, but only when needing...

The screws on the thermistor are so tight in the brass unit that they have been rounded trying to undo them, how can I replace the thermistor without removal of the entire unit?

Do all new boilers require a 22mm supply, my house is 14 years old and currently has a Worcester 240, supply is only 15mm.

Can someone recommend a good reliable and reasonably priced boiler installer to fit a replacement combi in Bristol. cheers

Can someone give me a recommendation as to which combi boiler I should be looking to have installed. I've got a 3 bed detached with single bathroom, 10 rads. Any ideas as to what a reasonable price for install is?

Only switches off when the hot water is on

I need some advice, over the last week or so my boiler will only run for a few minutes, then turns off then back on. I don't think it's not the thermostat as that shows a flame on the display even when the boiler switches itself off. The boiler temp is set to max and doesn't seem to have...

Can the solenoid be purchased separately or do I need to buy the entire gas valve.