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	RE: Flushing system, cleaning and inhibitor By Papahuhu, 2 weeks ago Forum Air Source Heat Pumps (ASHPs)
	@old_scientist Thats good, it would have explained the colour at least. With the glycol, possible organic acids complicate the potential causes of the staining. I suppose as long as there aren’t chun...
	RE: Flushing system, cleaning and inhibitor By Old_Scientist, 2 weeks ago Forum Air Source Heat Pumps (ASHPs)
	@papahuhu No smell, just the dirty brownish orange colouration. That was a particularly dirty sample I collected for the purposes of the photo, after a few mins it runs clear. But flush it again the n...
	RE: Who's your electricity provider and what's your tariff? By Toodles, 2 weeks ago Forum Electricity, Tariffs, Monitoring, Electrics & Providers
	@papahuhu Here’s yesterday’s solar production (Not forgetting that small blip after the eclipse of the sun!) and consumption graphs according to Elon. I am not aware of anyone piggy backing on our pow...
	RE: Flushing system, cleaning and inhibitor By Papahuhu, 2 weeks ago Forum Air Source Heat Pumps (ASHPs)
	@old_scientist To exclude it being a biofilm of sulphate reducing bacteria, if you sniff the brownish water, does it smell sulphurous or eggy?
	RE: Who's your electricity provider and what's your tariff? By Old_Scientist, 2 weeks ago Forum Electricity, Tariffs, Monitoring, Electrics & Providers
	@toodles I don't bother saving anything for after the peak - e.g, the period from 7pm until 2am. The logic being, I am paid 29p for exporting it before 7pm and I'm then directly (with no conversion lo...
	RE: Flushing system, cleaning and inhibitor By Old_Scientist, 2 weeks ago Forum Air Source Heat Pumps (ASHPs)
	Thanks for the replies. System volume is around 180L. I have no idea if inhibitor was originally added. They added glycol which may have contained inhibitor too, I don't know? I've got 2x1L of Sentine...
	RE: Who's your electricity provider and what's your tariff? By Papahuhu, 2 weeks ago Forum Electricity, Tariffs, Monitoring, Electrics & Providers
	@toodles sorry it’s not worked out for you, not much of summer left anyway. It seems you have all your heavy loads in the evening whereas I schedule mine to occur at peak PV output. As an aside, I rem...
	RE: Flushing system, cleaning and inhibitor By SUNandAIR, 2 weeks ago Forum Air Source Heat Pumps (ASHPs)
	@old_scientist colour is different to our case when we had a debris issue…. Also occurred after 2 years operation. In our case we put it down to new radiators shelling off rust deposits with somewhat ...
	RE: Who's your electricity provider and what's your tariff? By Toodles, 2 weeks ago Forum Electricity, Tariffs, Monitoring, Electrics & Providers
	@papahuhu I tried Flux for just over a week (yes, I know this is not long!) but soon came to the conclusion it wasn’t the best choice for me. The various irksome points that have steered me back to Co...
	RE: Indevolt Batteries UK Support & Info Thread By JamesPa, 2 weeks ago Forum Energy Storage
	@transparent I seem to recall that you may have suggested that, provided an appropriately registered electrician installs and certifies the circuit up to a suitable breaker, the final connection to th...
	RE: Flushing system, cleaning and inhibitor By Papahuhu, 2 weeks ago Forum Air Source Heat Pumps (ASHPs)
	Don’t forget, it’s not the headspace gases that are the issue. It’s the dissolved oxygen in the heating fluid that’s key. Either there wasn’t any/insufficient inhibitor in your system or O2 is finding...
	RE: Flushing system, cleaning and inhibitor By bobflux, 2 weeks ago Forum Air Source Heat Pumps (ASHPs)
	This amount of brown in a 2 year old installation would be very worrying as it would indicate quite a lot of oxygen ingress rusting the inside of the steel rads... unless the brown was already inside...