Q: You recently mentioned hot-water recirculating systems for homes where shower water takes a long time to get hot. I have used this type of hot-water system with success in the shower, but now have trouble getting our normal cold water from the kitchen faucet. Since we do like the faster hot water to the shower, any suggestions on improving the kitchen-sink cold-water issue?
A: Recirculating systems can get hot water quickly to your shower but need to be installed according to local codes with any necessary permits taken out. Because most domestic hot-water recirculating pumps use a home’s existing cold-water lines as a return back to the water heater, it’s important that you work with a licensed master plumber on any crossover issues.
A plumber will check to determine whether pumps and controls are set and installed properly. The plumber also can make sure the system is running according to the manufacturer’s instructions. The plumber also should be able to identify any cold-water lines feeding your kitchen sink that need to be moved to help improve the system.
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