![](/images/flag/s/en.gif)
D). Remove the drain valve, at the bottom of the storage tank. Install a .” nipple and tee, and reinstall the drain valve to the tee (4). Run .” copper tubing, with the necessary fittings, between the drain/tee combination and the lower leg of the coil. After all of the connections are completed, you can refill the tank. Restore power to the water heater ONLY after the tank has been completely refilled. EXAMPLE 2: Circulator Method. (more than 10 feet.) Example 2: Circulating pump method. Used w