The backup source for pumps or boilers is a very efficient and reliable accessory to the heating system. They are designed to ensure a run time of up to about two hours from a power failure. A backup source protects eg. a fireplace insert or a solid fuel boiler from overheating. Another example of use is a boiler in conjunction with a backup power supply. It is possible in this way to continue heating or to prepare DHW.
In the Bolasystems.com offer you will find a backup source for pumps and boilers.