This is Debby Zhang from Reday. As a leading manufacture of Hot Water Recirculation system, I wish to establish a good business relationship with you, supplying you with good quality of hot water recirculation pump, which is a good and necessary partner to water-heaters. Most of the family who live in a big house have the trouble of waiting for long time of hot water. There will be no this annoyance after a hot water circulator was used, the hot water come out immediately when the faucet was opened.