Service for running toilets: Arrived to customers home. Customer shows me toilet downstairs. Customer replaced flapper on the toilet, to try to stop the toilet from running. Suggested to replace the fill valve. Went to the bathroom upstairs, and customer shows me the toilet. Customer says there is noise in the wall when ever the faucet is running at the same time with the toilet. Told the customer that it could be water hammer. Suggested to replace the fill valve. Gave an estimate to replace 2 fill valves. Customer agreed with the price and allowed me to proceed. For each toilet, I shutoff the water. Removed old fill valve and supply Line. Installed new fill valve and supply line. Adjusted water level. Replaced flapper provided by the customer. Checked for leaks and flushed several times. Customer was satisfied with the work that was done. Mentioned about Plumbing MA and water quality test. Customer says they will think about it. Paid with card.