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Hot Water Recirculation- How It Works
A return line is installed near the faucet farthest from the water heater. The return line is connected to the UP 15 series pump and flows back to the water heater. As water slowly cools in the hot water line, the UP 15 series recirculation pump then moves the hot water from the heater throughout the pipe back to the heater, creating a continuous loop of slow-moving warm water. When a faucet is turned on, warm water is instantly available for use with no waste.
Tankless Water Heaters- How They Work
Electric tankless water heaters are very small units, typically hung on the side of a house, which are preset to a specific temperature. When you turn on your hot faucet, a device in this unit is activated by the flow of water, triggering it to be heated instantly. Therefore, your water is only heated when you are using it. You never have to pay for "standby" water like traditional water heaters which have to store the water all the time. Storing water is expensive because the tank has to constantly heat and then reheat the water in the tank, even when you're not using it.
