![plumbing - Can someone explain to me how this hot water recirculating system works? - Home Improvement Stack Exchange plumbing - Can someone explain to me how this hot water recirculating system works? - Home Improvement Stack Exchange](https://i.stack.imgur.com/d9ic2.jpg)
plumbing - Can someone explain to me how this hot water recirculating system works? - Home Improvement Stack Exchange
![Recirculating pump doesn't seem to be pulling any hot water through the return line. Still cold after hours running. Thoughts? : r/Plumbing Recirculating pump doesn't seem to be pulling any hot water through the return line. Still cold after hours running. Thoughts? : r/Plumbing](https://preview.redd.it/v9qi9pcn7ys71.jpg?auto=webp&s=0753a62d3a6cb56937071a28bfcaa13a26f55856)
Recirculating pump doesn't seem to be pulling any hot water through the return line. Still cold after hours running. Thoughts? : r/Plumbing
![Can I install a hot water recirculation pump if I have a reverse osmosis filter? - Home Improvement Stack Exchange Can I install a hot water recirculation pump if I have a reverse osmosis filter? - Home Improvement Stack Exchange](https://i.stack.imgur.com/IOIwr.jpg)
Can I install a hot water recirculation pump if I have a reverse osmosis filter? - Home Improvement Stack Exchange
![How to Install a Hot Water Recirculating System [The Original Plumber - Open 7 Days A Week] - YouTube How to Install a Hot Water Recirculating System [The Original Plumber - Open 7 Days A Week] - YouTube](https://i.ytimg.com/vi/l24DExWhDPA/maxresdefault.jpg)