No one can predict exactly what your frost line (ground freeze depth) will be during a given winter. If your Britton Water Fountain tank freezes it would likely split. If you believe the frost line in your area could be below 12" be safe and provide positive freeze protection. For refrence see the map below but talk to your local building inspector concerning the possible freeze depth in your area.
We recommend Nuheat "heat trace plug in cables". They are simple, effective, and efficent. Click here to Download installation recommendations for our poultry water fountain. Click here to get Nuheat complete instructions. Click here to learn more about Nuheat trace plug in cables
and where to purchase them.