how to determine the resin is bad
I use city water and the quality is good. How to determine the resin is bad? or better to change a new unit instead to change resin tank?
I use city water and the quality is good. How to determine the resin is bad? or better to change a new unit instead to change resin tank?
3
answers737
ViewsI have this model since 2001,. recently, everytime I flushed a toilet in house, the water flew from any of faucet become very little. I had cleaned...
3
answers1002
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