Ungagcina kanjani i-Multiple Activation Bypass Valve (MCBV)?
1.Amathuluzi kufanele agcinwe ngaphezu kuka-0 ℃. Ukuhamba kwesikhathi esifushane noma okubekwe eceleni kwendawo okungaphansi kuka-0 ℃ ngeke kuthinte amathuluzi. Nokho, uma isikhathi siside, amathuluzi kufanele agcinwe ngaphezu kuka-0 ℃. Ngaphezu kwalokho, amathuluzi ahlanganisiwe kufanele agcinwe ku-10 ℃ ...
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