I wouldn't be too happy with a pre charge pressure of anything < 0.5bar, the pressure (air end) mightn't be high enough to push the bladder towards the water end, especially in the most common ones where the bladder is just shoved into the EV at the water end.
Combi system pressure - why
- Thread starter potterton678
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The filling/top-up loop could be located at the same level as the highest radiator in the house.
Just saying.
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It doesn't matter how high, or low, it goes, the pressure in the system is the same.
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