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Last seen: May 26, 2026
To conclude this story, I hadn't realised that immersion thermostats are a separate replaceable item to the immersion heater itself. I ordered a Coth...
The Aerona 290 is from a different (Chinese) OEM, compared with the Japanese (Chofu) R32 Aerona3. I don't have experience with the R290, or the smart...
Well, if that's the right PDF the factory set is supposed to be 75 so in theory it should go up at least that far when cranked up to the max. A bit po...
I suppose it could be that 57C is the maximum achievable temperature by the immersion heater, but I thought the point of the adjustment is you could s...
I think we're talking at cross purposes here. The above test is with the ASHP completely turned off. The setup is mains -> power meter -> contac...
Here is the full setup (I really should tidy that wiring...): Disconnected tank stat at the top pocket, thermistor going to the ASHP in the middle...
Also to add, on the original Grant wiring there was a separate tank stat which is in the pocket at the top of the cylinder. I have disconnected this a...
Hmm. When they say the pipes are in the walls, is this all the 22mm of PEX you showed upthread? Do you know where they all go? Roughly how long is the...
@heymikey OK, so that rules out a number of things. I would lean towards thinking you do actually have a flow restriction of some kind. If it's not ai...
Hello @heymikey, I'm not Cally and I haven't read the whole of this thread, but I did have noise problems with my Grant before I rewired it. So just...
Hmm, I need to have a crawl around and check the radiator piping but I think it's all one 22mm backbone with 15mm drops - a couple of drops serve two ...
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