~~ Nov 11 ~~ Get 5 - 10% OFF with coupon code DOUBLE11 when checkout! 100 limits!

Low level configuration real-time water heater

12/20/2017

Engineer emergency invention: real-time water heater. Some people say the rubber tube will be burnt. However, there is flowing cold water behind it. With such flow rate, the copper pipe near the rubber will not be very hot. A perfect invention.