<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body dir="auto"><div>Hi Hank,</div><div>the little non threaded holes are usually to let water pressure in to balance</div><div>the regulator to maintain your 130psi above ambient.</div><div>It sounds like o-rings or valve seat. Nothing should be leaking out of it.</div><div>It won't hurt if it's not much & you can get it serviced.</div><div>Alan</div><div><br>Sent from my iPad</div><div><br>On 4/08/2014, at 7:11 am, hank pronk via Personal_Submersibles <<a href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</a>> wrote:<br><br></div><blockquote type="cite"><div><div style="color:#000; background-color:#fff; font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:12pt"><div>Help</div><div>I bought a scuba regulator set for emergency breathing. When I pressurize the system, the first stage regulator is venting out a small vent on the side of the regulator. The vent hole has no threads, so I assume it is a vent. The amount of air is very slight, is this thing screwed. It works fine otherwise</div><div>Hank.</div></div></div></blockquote><blockquote type="cite"><div><span>_______________________________________________</span><br><span>Personal_Submersibles mailing list</span><br><span><a href="mailto:Personal_Submersibles@psubs.org">Personal_Submersibles@psubs.org</a></span><br><span><a href="http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles">http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles</a></span><br></div></blockquote></body></html>