![plumbing - Should expansion tank be installed before or after water softener? - Home Improvement Stack Exchange plumbing - Should expansion tank be installed before or after water softener? - Home Improvement Stack Exchange](https://i.stack.imgur.com/dyiQW.gif)
plumbing - Should expansion tank be installed before or after water softener? - Home Improvement Stack Exchange
![What is this thing? It is connected to the water heater/water softener in my new house but I've never seen something like this before. : r/Plumbing What is this thing? It is connected to the water heater/water softener in my new house but I've never seen something like this before. : r/Plumbing](https://preview.redd.it/a8xu0xyc9cn51.jpg?auto=webp&s=c120cf25cd2bda57eafef10b6f7643816030a501)
What is this thing? It is connected to the water heater/water softener in my new house but I've never seen something like this before. : r/Plumbing
![Water softener and tankless water heater to save space. | Tankless hot water heater, Water heater repair, Tankless water heater Water softener and tankless water heater to save space. | Tankless hot water heater, Water heater repair, Tankless water heater](https://i.pinimg.com/736x/b8/a3/0c/b8a30c1e587363a5b156d4cad0704abb--house-water-filter-water-house.jpg)