Freeze Prevention Kit for Bosch Therm 520PN & 520HN Models

The Bosch Freeze Prevention Kit, part number 7709003775 is sold as an accessory and is approved for the Bosch Therm 520PN & 520HN heaters.  The Freeze Prevention Kit is designed to provide protection for the water heater down to approximately 5 degrees F for short term conditions only.  Power is required for the freeze prevention kit and plugs directly into a 110V outlet.   It will not protect the appliance in areas where the temperature is routinely expected to be below freezing.

The Freeze Prevention Kit will not protect plumbing outside the appliance from freezing.  Precautions should be taken to prevent this.

For more information and to order the Bosch Freeze prevention kit please call us at 866-289-4652.