CKRS
The CKRS combines small size with outputs from 75kW to 145kW in five models, making it perfect for retro-fitting into existing boiler rooms.
Clyde CKRS cast iron sectional boilers have a concentric three pass design that ensures peak efficiency with exceptionally low standby losses. All the cast iron components are supplied assembled with the boiler block and are hydraulically tested ready for connection to the system. CKRS is designed for use with LTHW open vented or pressurised systems with indirect potable hot water heating. Fuel options include natural gas, LPG, Class D oil and dual fuel. Maximum operating pressure is 6 bar.
The cast iron boiler sections are guaranteed for five years, the burners and other components for one year.
- Efficiency of up to 95.6% (ncv)
- Supplied in a complete unit ready to connect to your system
- On site assembly available on request
PLEASE NOTE
RELATED PRODUCTS
- Matching calorifier for indirect wholesome hot water
| Model | Output (kW) | Depth (mm) | Height (mm) | Width (mm) | Flue connection size(mm) | Flow connection size | Boiler seasonal efficiency(%) | Return connection size |
| CKRS05B | 75 | 800 | 820 | 550 | 150 | R2 | 85 | R2 |
| CKRS06B | 93 | 922 | 820 | 550 | 150 | R2 | 85 | R2 |
| CKRS07B | 110 | 1044 | 820 | 550 | 180 | R2 | 85 | R2 |
| CKRS08B | 127 | 1166 | 820 | 550 | 180 | R2 | 85 | R2 |
| CKRS09B | 145 | 1288 | 820 | 550 | 180 | R2 | 85 | R2 |





