Lochinvar Noble Flow Switch Repair Ran into a broken brass flow switch today on a Lochinvar Noble — it snapped off flush inside the return block. Normally, that could mean replacing the entire return flow group. Instead, we were able to save the day with a RIDGID 3/4” pipe extractor. It grabbed the broken threads clean and backed them out without damaging the block. Quick tip is to hit the pipe extractor in at a bit of an angle to give yourself a better chance of breaking the piece free. Most im
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