The RRK boiler is the backbone of the Binder boiler and can be coupled with any one of six different combustion chamber designs.  The modular design allows each boiler Binder produce to match the range of fuel types available in the local area, with increasing levels of fuel flexibility available through the range.

The RRK boiler features a whole-system water jacket which absorbs radiated heat from both the boiler and the combustion chamber to pre-heat the system water.  In operation, the heat losses from the system to the boiler room are so low that it can often be difficult to determine if the boiler is actually running.  Pre-heating the system water brings clear performance benefits, with efficiency ratings in excess of 92% achieved with dry woodchips.

  
4.5mm Boiler Tubes...                                 ...Chamfered & Root Welded

The RRK boiler features 4.5mm steel boiler tubes which are chamfered and root welded to avoid hot spots and turbulence, factors which shorten the lifespan and lower the efficiency of lesser boilers.  Binder’s use of industrial materials in boiler construction is one of the principal reasons that their systems can be found in a range of critical applications - hospitals, industrial processes and large district heating schemes.

The RRK is available as a low-temperature hot water boiler, designed to work at up to 3 bar with a flow temperature of up to 95 degrees Centigrade.  Boilers rated at up to 10 bar are also available for the production of high-temperature hot water and process steam.