![VEVOR Hot Water Recirculating Pump, 93W 110V Water Circulator Pump, Automatic Start Circulating Pump NPT 3/4" w/Brass Fittings, Stainless Steel Head, ... VEVOR Hot Water Recirculating Pump, 93W 110V Water Circulator Pump, Automatic Start Circulating Pump NPT 3/4" w/Brass Fittings, Stainless Steel Head, ...](https://m.media-amazon.com/images/I/71hS1py0-2L.jpg)
VEVOR Hot Water Recirculating Pump, 93W 110V Water Circulator Pump, Automatic Start Circulating Pump NPT 3/4" w/Brass Fittings, Stainless Steel Head, ...
recirculation pump causes hot water in cold water lines + cold water sandwich | DIY Home Improvement Forum
![APCOM UT1 Hot Water Recirculation Pump For Under Sink - Instant Hot Water Recirculating System For Tank Type Water Heaters APCOM UT1 Hot Water Recirculation Pump For Under Sink - Instant Hot Water Recirculating System For Tank Type Water Heaters](https://m.media-amazon.com/images/I/71ksqTcZ4pL._AC_UF350,350_QL80_.jpg)
APCOM UT1 Hot Water Recirculation Pump For Under Sink - Instant Hot Water Recirculating System For Tank Type Water Heaters
![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://i.redd.it/v9qi9pcn7ys71.jpg)
Recirculating pump doesn't seem to be pulling any hot water through the return line. Still cold after hours running. Thoughts? : r/Plumbing
![BOKYWOX Hot Water Circulation Pump NPT 3/4'' Hot Water Recirculating Pump 3-Speed Circulating Pump Stainless Steel 304 Circulation Pump(RS15-6SB) BOKYWOX Hot Water Circulation Pump NPT 3/4'' Hot Water Recirculating Pump 3-Speed Circulating Pump Stainless Steel 304 Circulation Pump(RS15-6SB)](https://m.media-amazon.com/images/I/71bNvAORUCL.jpg)
BOKYWOX Hot Water Circulation Pump NPT 3/4'' Hot Water Recirculating Pump 3-Speed Circulating Pump Stainless Steel 304 Circulation Pump(RS15-6SB)
![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.sstatic.net/d9ic2.jpg)
plumbing - Can someone explain to me how this hot water recirculating system works? - Home Improvement Stack Exchange
![VEVOR 93W Hot Water Recirculating Pump 3/4-in-Dia Stainless Steel Recirculating Pump Electric Water Heater VEVOR 93W Hot Water Recirculating Pump 3/4-in-Dia Stainless Steel Recirculating Pump Electric Water Heater](https://mobileimages.lowes.com/productimages/c3a6de8d-9590-4200-bf7c-a11a1dde7e13/64768327.jpg)