The Onyx CEH25-60/130 is a circulating pump used in heating systems to ensure even distribution of heat throughout the building by circulating hot water from the boiler to radiators or other heat emitters.

Installation Length: The “130” denotes the installation length in millimetre’s, meaning the distance between the connection flanges is 130mm.

Head Range: The “60” in the model number refers to the maximum head in decimeters (600 cm or 6 meters). This means the pump can push water up to a height of 6 meters.

Overall, the Onyx CEH25-60/130 is a reliable choice for circulating hot water in heating applications such as central heating or underfloor heating, offering a balance of performance, durability, and energy efficiency.