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Excelent explanation sir. Meraku niche tank me municipal water full karake upper 6 th floor ko dusara motor se uper bejatha hai. Meraku niche tank water motor chalu boneka badme niche tank me water kali hogayatu pump band hona agar niche pani nahito motor jal jata hai isliye meraku kysa connection karana bayaw ji. Mera pass WLC D1 RELAY hai