Hello Bin,
If you have not done so already, it helps to drain the system at the lowest point. Meaning apply the shut off valve first, open the faucet at the lowest point (usually in the basement or ... read more
Good answer by Abe. We prefer to use fixed contracts with our clients. We have clauses in our contracts for unforeseen itesm such as concealed structural damage or inadequacies. I fully agree a profes ... read more