ELDOM BCE 300

ELDOM BCE 300 cooling / heating buffer tank for heat pumps

The ELDOM BCE 300 cooling / heating buffer tank is an ideal choice for heat pump heating and cooling systems where more efficient, better balanced and gentler system operation matters. The buffer tank's role is to store the heat energy generated in the central heating or cooling system but not used immediately, and then feed it back into the system as needed via a circulation pump.

Using it reduces the number of on/off cycles of the heat pump or other cooling/heating appliance, which can contribute to gentler operation of the equipment and more stable performance of the system. It can be particularly useful in systems where circuits at different temperatures operate together, as it can help moderate the resulting loads.

The tank is made of rolled steel sheet with internal enamelling and tank protection with 2 anodes. The fixed, rigid PU insulation and the water-repellent outer jacket help retain heat, while the floor-standing design allows straightforward installation. The tank is built for an operating pressure of 6 bar and features 2 x 4 internally threaded 6/4” heating system connections.

A further advantage of the ELDOM BCE 300 is that a factory heating element with a 180 mm diameter and an output between 3 and 12 kW can be fitted into the lower inspection opening. In addition, the 6/4” auxiliary socket allows a further heating unit to be installed. This means the water in the heating system can be heated even without operating the central heat generator, such as a boiler.

Thanks to the internal enamelling and official drinking water certification, the tank is also suitable for storing domestic hot water or cold water, so it can also be used as a DHW tank.

Key features

• 300-litre cooling / heating buffer tank for heat pump systems
• Rolled steel sheet tank body
• Internal enamelling and tank protection with 2 anodes
• Fixed, rigid PU insulation
• Water-repellent PVC / leatherette-style outer jacket
• 2 x 4 internally threaded 6/4” heating system connections
• 1 x 6/4” auxiliary socket
• 2 x 1/2” measuring points for temperature sensors
• Maximum operating pressure: 6 bar
• Operating temperature range: 7–95 °C
• Total tank diameter: 670 mm
• Energy efficiency class: B
• Prepared for floor-standing installation
• Can also be used as a DHW tank
• Holds official drinking water certification

Standard equipment

• Steel tank body with insulation
• External PVC jacket
• 3 threaded feet
• 10-year warranty on the tank body's weld quality and against water leakage

Recommended use

The ELDOM BCE 300 buffer tank is recommended for heat pump heating and cooling systems, especially in properties where stable system operation, efficient storage of heat energy and a reduction in the heat generator's start-up cycles are important.