
I smelled propane and soap being sprayed on the gas lines leading to my water heater and saw no bubbles. I had to check the lines for leaks - he sprayed everything with a solution and found nothing. Bought, calibrated (very easy if you watch the video) and immediately found the leak(s) - called another plumber back and he was skeptical of my "sniffer" but when he saw it in action, he was very impressed. He found a very small leak in one of the connectors (which he repaired) but the gas analyzer still registered gas - detected a control module housing malfunction and a gas leak. Luckily the water heater is still under warranty and I just have to pay for the labor. Without my sniffer the plumber(s) would never have found the leak - now my neighbors want to borrow it to check their gas systems.

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