Lounge of AIR CONDITIONING (AC), FAN, HEATING & VENTILATING SYSTEM - Part 2
reza46 gas nitrogen tsb fungsinya mencegah terbentuk kerak karena panas Kalaupun gak dialiri gas nitrogen, kerak tsb akan larut saat diflushing Syukur2 pakai gas + flushing. Kalau gak pakai gas, minimal flushing