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Last seen: Jul 14, 2026
Not sure if it's the same as you but I get a one off loud fog horn sound when flushing the toilet or running a tap. It only occurs after DHW heating...
@thebinman Thanks for the comment. I suspect my system was simply set up on the medium settings and the noise problem didn't materialise until the r...
@toodles Thanks. The LED display is not very clear. Appreciate you looking. I will try lowering the speed on my Wilo secondary pump to see if it wid...
@toodles my system is slightly bigger than yours with 16 rads and of course with a 25L buffer. With your Wilo wattage of 7-8 watts versus mine of 20...
@toodles Yes, it's a Wilo Pico 25/1-8 (ROW). When I adjusted the speed, the LED display went from 39w / 1.6 to 20w / 1.3. I have no idea if this i...
Regarding the noise in my airing cupboard, my installer will visit but in the meantime he suggested reducing the Wilo Secondary pump speed slightly. I...
@burtis Hi. In my case I don't think the noise is to do with the external pipework as we would then get the noise when just running DHW. Just a small ...
@allyfish Thanks. I was hoping that having no clamp was the reason for the excessive noise. Guess I'll need to wait for the installer to visit. No...
@allyfish Thanks. One end of the pipework has a bracket to a roof strut and has rubber at the joint to the joist. However the other end (out from th...
@allyfish Thank you for your comments. I have only just started to use the heating side of my installation but fear that I have exactly the situatio...
Hi. Unfortunately on-going. Mitsubishi agreed that the immersion was taking too long and also pointed out that my software was out of date. Instal...
@editor Thanks. I, of course, thought something was wrong with the timings but wanted to be sure what is normal before contacting my installer or Mi...
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