How do I protect my tankless water heater from freezing?

Do tankless water heaters have freeze protection?

Most indoor and outdoor tankless water heaters have built-in freeze protection against temporary winter temperatures ranging from -5 degrees Fahrenheit to -22 degrees Fahrenheit. This protection cannot withstand long term below freezing temperatures.

How do you winterize a tankless water heater?

Tankless winterization by removing and draining the unit

  1. Switch off circuit breakers.
  2. Turn off water and drain your lines.
  3. Disconnect inlet and outlet connections from your tankless (water may leak out at this time so be prepared with a bucket or rags)

Can I cover a tankless water heater?

It doesn’t have outside air intake, and they didn’t bother to try to reduce the open plumbing (put it inside the wall). You can enclose it somewhat.

Can you drain a tankless water heater for the winter?

One of the main steps when winterizing an unattended tankless heater is to drain and unplug the unit. If there is no water in the heater’s pipes, especially in the heat exchanger, the unit will not be damaged due to the freezing conditions.

How does navien freeze protection work?

Freeze Protection

This system only protects the heater, not the exterior plumbing. The freeze prevention heater requires constant connection into an electrical outlet. The system is usually automated to turn itself on and off whenever necessary.

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Do I need to wrap my water heater pipes?

Insulating your hot water pipes reduces heat loss and can raise water temperature 2°F–4°F hotter than uninsulated pipes can deliver, allowing you to lower your water temperature setting. You also won’t have to wait as long for hot water when you turn on a faucet or showerhead, which helps conserve water.