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Recommended Piping for Power Failure Freeze Protection
As long as electrical power and gas are supplied to the EverHot® water heater, freeze protection is provided to the heat exchanger and piping inside the water heater with ambient temperatures as cold as
The electrical connections for the two solenoids must be tied to the 120 volt main power supply (black and white wires). When the electrical power to the water heater fails, the ¾” solenoid on the cold water inlet pipe closes, stopping water flow into the water heater. The drain solenoid opens, allowing the water heater and connected piping to drain. Make sure the piping from the drain solenoid is run to a suitable drain or outside the building to prevent water damage.
Figure 6. Recommended Piping for Freeze Protection.
CAUTION
Heat trace all water pipe and fittings located outside the home (attic, crawl space) or building structure. All pipe and fittings shown below dashed line (see Figure 6) should be located inside home or building structure. The vacuum breaker line should be located inside the building structure.
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