Navien NCB300 41kW Gas Combi Boiler
Navien NCB300 41kW Gas Combi Boiler
(Approx. 3-5 working days)
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The Navien NCB300-41kW is the highest-capacity model in the NCB300 range, designed for large homes with multiple bathrooms. It provides central heating and instantaneous hot water without a separate cylinder.
This model delivers a domestic hot water output of 41kW with a flow rate of 16.8 litres per minute at 35°C rise. It features stainless steel heat exchangers, a 6:1 turndown ratio, and ErP A-rated efficiency. It is hydrogen-ready for a 20% blend.
Compact dimensions (680 × 395 × 283 mm) allow flexible installation. It meets NOx Class 6 standards and supports smart controls via OpenTherm and Navien’s own systems.
- 41kW domestic hot water output for large homes
- Flow rate up to 16.8 l/min at 35°C rise
- Stainless steel heat exchangers for long-term reliability
- Compact size: 680 × 395 × 283 mm
- Compatible with natural gas and LPG
| Brand | Navien |
|---|---|
| Width | 395 mm |
| Depth | 285 mm |
| Flow Rate | 16.8 l/h |
| Flue Included | No |
| Fuel Type | Gas |
| Heating Energy Rating | A |
| Heating Type | Condensing |
| Height | 680 mm |
| Max Heat Input | 26.8 kW |
| Central Heating Output | 26 kW |
| Min Heat Input | 4.6 |
| Min Heat Output | 4.5 |
| Model Name / No | NCB300-41C |
| Weight | 33 kg |
| Suitable For | Larger Homes with 2 Bathrooms |
| Usage | Internal Use |
| Length Of Warranty | 5 Years |
| Water Energy Rating | A |
| Mount Type | Wall Mounted |
- Delivery cost will be calculated at checkout once delivery address has been confirmed
- Delivery lead times are an estimate only
- Delivery drivers will always prioritise safety over convenience when offloading materials
- Bagged products such as cement and plaster cannot be returned once opened
- Jumbo bags cannot be returned once delivered
- All other goods may be returned within 3 months with a proof of purchase provided
- Chargeable pallets may be returned for a full refund
- All online pricing is specific to Northern Ireland only. Pricing for our Isle of Man branch may vary.
The Navien NCB300-41kW is the highest-capacity model in the NCB300 range, designed for large homes with multiple bathrooms. It provides central heating and instantaneous hot water without a separate cylinder.
This model delivers a domestic hot water output of 41kW with a flow rate of 16.8 litres per minute at 35°C rise. It features stainless steel heat exchangers, a 6:1 turndown ratio, and ErP A-rated efficiency. It is hydrogen-ready for a 20% blend.
Compact dimensions (680 × 395 × 283 mm) allow flexible installation. It meets NOx Class 6 standards and supports smart controls via OpenTherm and Navien’s own systems.
- 41kW domestic hot water output for large homes
- Flow rate up to 16.8 l/min at 35°C rise
- Stainless steel heat exchangers for long-term reliability
- Compact size: 680 × 395 × 283 mm
- Compatible with natural gas and LPG
| Brand | Navien |
|---|---|
| Width | 395 mm |
| Depth | 285 mm |
| Flow Rate | 16.8 l/h |
| Flue Included | No |
| Fuel Type | Gas |
| Heating Energy Rating | A |
| Heating Type | Condensing |
| Height | 680 mm |
| Max Heat Input | 26.8 kW |
| Central Heating Output | 26 kW |
| Min Heat Input | 4.6 |
| Min Heat Output | 4.5 |
| Model Name / No | NCB300-41C |
| Weight | 33 kg |
| Suitable For | Larger Homes with 2 Bathrooms |
| Usage | Internal Use |
| Length Of Warranty | 5 Years |
| Water Energy Rating | A |
| Mount Type | Wall Mounted |
- Delivery cost will be calculated at checkout once delivery address has been confirmed
- Delivery lead times are an estimate only
- Delivery drivers will always prioritise safety over convenience when offloading materials
- Bagged products such as cement and plaster cannot be returned once opened
- Jumbo bags cannot be returned once delivered
- All other goods may be returned within 3 months with a proof of purchase provided
- Chargeable pallets may be returned for a full refund
- All online pricing is specific to Northern Ireland only. Pricing for our Isle of Man branch may vary.