<strong>Yahoo Message Number: 114950</strong>I have 2 low point drains and the fresh water tank drains in the wet bay....and now the cold water low point drain "petcock" is leaking. All of the plumbing lines are PEX. Anyone switched the petcock valves to ball valves or otherwise changed out the guts of the petcocks?<br/><br/>Changing would be the easiest...but where do I get the...