Navien NCB300 37KW Combi & Flue Pack - In Store Payment and Collection Only
NAVIEN NCB300 37 & FLUE
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NCB300 The Impressive Entry level
The NCB300 gas condensing combi boiler is our entry model, which offers the same hot water comfort, powerful heating and flexible installation options as larger models, but in a compact design. This combination of features makes the NCB300 gas boiler an excellent choice for smaller properties where exceptional levels of reliability and DHW performance are the priority.
- ErP A+ energy efficiency rating for ultra-low running costs*
- IPX4 rating provides protection from any water leaks
- Smartphone compatible offering remote adjustments of heating and hot water systems
- Smart weather forecasting and Geofencing maximise efficiencies and convenience
- 5 YEAR PARTS & LABOUR WARRANTY for complete peace of mind
- Extended venting up to 8m
- Stainless steel heat exchangers for optimum durability and long term efficiencies
- Hydrogen-ready (20% blend) technology for futureproofing
- An A+ energy rating is achieved when installed with 3 Smart Plus room thermostats.
Technical Data
| NCB300-28K | NCB300-37K | NCB300-41K | ||
| Shower rating | Number of showers | One shower | Two showers | Two showers & one tap |
| Heat Output | Heat input range | 24.7/4.3 | 26.8/4.6 | 26.8/4.6 |
| Modulation (max/min) | 6:1 | 6:1 | 6:1 | |
| Heat output range @ 80/60°C | 24.0/4.2kW | 26.0/4.5kW | 26.0/4.5kW | |
| DHW | DHW heat input range | 28.0/4.3kW | 37.0/4.6kW | 41.0/4.6kW |
| DHW output range | 28.0/4.3kW | 37.0/4.6kW | 41.0/4.6kW | |
| DHW flow rate @ 25°C temp. rise. | 16.0 l/min | 21.3 l/min | 23.6 l/min | |
| DHW flow rate @ 35°C temp. rise. | 11.5 l/min | 15.2 l/min | 16.8 l/min | |
| DHW flow rate for kitchen @ 45°C temp. rise. | 9.0 l/min | 11.8 l/min | 13.1 l/min | |
| Modulation | TDR | 7:1 | 8:1 | 9:1 |
| Flue | Flue Size | Coaxial length Ø 60/100 | ||
| Max. horizontal coaxial length Ø60/100 | 8m | |||
| Max. vertical coaxial length Ø60/100 | 8m | |||
| Weight | Lift weight | 29kg | 33kg | 33kg |
| Dimensions | Width x Depth x Height | 395 x 285 x 680mm | ||
| ErP Efficiency | ErP A (93%) | |||
| ErP Efficiency with Smart Plus (x3) | ErP A+ (98%) | |||
| NOx Classification | Class 6 | |||
Any orders purchased before 12pm will be dispatched the same working day, any orders after this will be dispatched the following working day. Any orders purchased Friday after 12pm will be sent on the Monday except for bank holidays. Orders will not be dispatched on the following days: Saturday & Sunday
Standard Delivery - £6.50 1-3 Working Days (excludes bank holidays & Weekends)
Free Delivery - Orders Over £100.00 1-3 Working Days