Answered by The Community. Making the world better, one answer at a time. An aside is when a character says something out loud in the attempt of conveying his or her thoughts to the audience, with the supposition that other characters can not hear it. This can be used when a character wants to share what he or she is thinking, when describing a previous event, etc.
Use a Pump for your Rain Barrel! The best way to accomplish what you want may be by not using a valve at all! Consider using a small pump placed on your rain barrel outlet hose. Most irrigation systems do not work very efficiently at the low water pressures typical of rain barrel systems.
Most houses with a sump pump rely on the pump to keep the basement from flooding. When a big rain storm comes through, the sump pump will really be needed... and that's also the time that the power to a neighborhood is most likely going to get knocked out, disabling the sump pump and allowing the basement to flood.