Check for leaks, especially inside the home, and at all PVC junctions. You can use a smoke bottle to test for rips in crawlspace barrier or sump lids that you cannot see with the naked eye. See our featured products page for radon system alarms!Īfter checking your U tube, you’ll want to ensure you have no leaks in the system. These alarms do not detect radon, but they detect pressure drops (like a dead fan). Since pressure drops often indicate a malfunctioning radon system, new standards now require an audible alarm for radon systems. Did it rain recently? Has the water table risen? Have you checked your pipe for debris? Pressure increases typically mean the system is jammed with something. A significant pressure drop could mean your crawlspace barrier ripped or your PVC pipe is loose. Pressure drops indicate leaks or a dying fan. Next you want to see if there have been any major changes in pressure. The big thing to watch for is a zero or even reading. See my article about radon fan curves for more information. The only “bad” readings on a U tube is zero, equal lines, or max pressure (fan specific). It reads how much pressure is in the system using “inches of water column.” This is NOT a radon level. A U tube manometer is a pressure gauge (named for its shape). We devoted a whole video to this on our YouTube channel. If you read this blog, you know that the easiest way to avoid dead fans and reduce your lung cancer risk is to test for radon every two years, as recommended by the US EPA.Īfter that, here are some tips for continuing radon system maintenance:įirst, check the U tube. “Let’s get you a radon test and an NRPP licensed mitigator!” “I don’t know, it’s been dead since we moved in in 2006.” Long pause while we contemplate the carcinogen exposure over 15+ years. I get calls like this every week: “uh, yeah I need a new radon pump. How can I use an air exchanger to reduce radon?įar too many people think radon systems last forever.What type of vacuum pressure does my radon system need?.How to choose an energy efficient radon fan.How much CFM do I need for my radon fan?.Why are radon concentrations higher in the winter?.EPA Radon Map: does it serve its purpose?.What do I need to know about Colorado’s new radon laws?.Become a Certified Radon Tester or Mitigators. Regardless of adapter orientation (horizontal or vertical in relation to the alarm), install the screw at 9 or 3 o’clock so that the screw does not interfere with sliding the RSA1 onto the adapter. Note: Adapter must be pressed firmly against pipe for 30 seconds to ensure that the 3M tape bonds to the pipe and bracket surfaces.Īlternative Pipe Adapter Mounting: Once the selected adapter is installed (Note: make sure that the connector elbow is NOT installed), slide off alarm body from adapter and attach the adapter plate using a flat-head screw. Peel back the protective film on the mounting tape and insert the assembled alarm/bracket assembly into the drilled hole, making sure it is level, and firmly press in place to seat mounting tape. Pipe Adapter Installation: When attaching the pipe adapter for the alarm, first make sure the pipe is clean, dry and free of any debris.
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