Bubble Action Pumps Ltd.

Solar and Woodburning Bubble Pump Installation

SOL-Perpetua™ Solar Water Heating System Installation Instructions and Operating Manual For Series "A" Pumps

SOL Perpetua™ System Troubleshooting - Finding a Leak

Finding a tiny air leak in a system can sometimes be a challenge. Because the Series "A" bubble pump is transparent, however, you can quickly narrow your area of search.

If it is sunny, cover the panels. Admit extra fluid to cover the bubble tube and the copper tubes in the condenser. Use hand pump to create a vacuum and watch for bubbles.

If, for example, bubbles rise up in the bubble tube (and assuming the panel is cold) there is at least one air leak in the pipe leading into the panel or in the panel itself.

A mechanic's or a medical stethoscope is very useful in finding an air leak. Provided the leak is covered with fluid and there is not too much background noise, either airborne or system borne, it can almost always be heard and it will be heard more loudly the closer to the leak the listening end of the stethescope is placed.

Finding a fluid leak is somewhat easier because you can see or feel it. Check low points such as the drain cock. Your system may be high enough so that there is a positive pressure at this point even though there may be a vacuum at the top of the system.



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