[onewhippedpuppy]

Originally Posted by notmytarga

The best test could be done before purging - Use an air compressor or bike pump to pressurize the system to 15-30 PSI at first and a pressure gauge to watch the pressure level fall or hold steady. Air means no water damage. My local ACE sells a fitting that has a Schrader (bicycle pump) valve and gauge on a 1/2 inch FPT or hose thread fitting that can be placed on a hose bib. All plumbing installations are tested like this - if done right.

That's a really good idea to minimize water damage. If you can hear air leaks but can't see where they are coming from, use Windex or a similar product and spray the pipes and joints. The leaks will bubble.