
NCB500 System Boiler
The NCB500 system boiler is a perfect upgrade for your current central heating and hot water solution. The compact design makes it easy to fit into any kitchen or airing cupboard, allowing you to maximise all space in your home.
System boilers allow homeowners to store large quantities of hot water for later use, ideal for use with multiple showers, radiators and taps when required. You can also enjoy peace of mind with a 10-year warranty on every installation.
The NCB500 System Boiler has an easy set-up process and is compatible with the latest Navien Smart Controls, giving you full control of your heating system which can help keep bills down.
- Durable stainless steel heat exchangers
- 3-zone ready w/ Smart Plus control pack
- 10-Year Warranty
- Easy commission set-up wizard
- LPG Conversion Kit included
- Compatible with Navien Multikit
- Compact dimensions for easy installation in a kitchen cupboard
Technical Data
NCB500-15k | NCB500-18k | NCB500-24k | NCB500-30k | ||
Heat output | Heat input range | 15.5/2.7 | 18.6/3.2 | 24.7/4.3 | 31.0/4.6 |
Modulation (max/min) | 6:1 | 6:1 | 6:1 | 7:1 | |
Heat output range @ 80/60°C | 15.0/2.6kW | 18.0/3.1kW | 24.0/4.2kW | 30.0/4.5kW | |
Condensing heat output range @ 50/30°C | 16.4/2.9kW | 19.4/3.4kW | 25.6/4.5kW | 32.6/4.8kW | |
Full load efficiency at Max. output @ 50/30°C (Condensing) | 105.9% | 104.6% | 106.5% | 105.2% | |
Max. heating operation pressure | 2.5 Bar | ||||
Max. heating temperature | 90°C | ||||
Adjustable heating temperature range | 40-90°C | ||||
Flue | Flue Size | Coaxial length Ø 60/100 | |||
Max. horizontal coaxial length ø60/100 | 8m | ||||
Max. vertical coaxial length Ø60/100 | 8m | ||||
Weight (Kg) | 27 | 29 | 32 | ||
Dimensions | 395 x 283 x 680mm | ||||
ErP Efficiency | ErP A (93%) | ||||
ErP Efficiency with Smart Plus (x3) | ErP A+ (98%) |