Navien NCB500 30kW Gas System Boiler
calcPageSize())"
/>
Navien NCB500 30kW Gas System Boiler
(Approx. 3-5 working days)


Do you have a MacBlair trade account?
The Navien NCB500-30kW is a powerful condensing system boiler designed for medium to large homes with multiple bathrooms. It provides efficient central heating and works with a separate hot water cylinder for stored hot water supply.
This model delivers a central heating output of 30kW and uses a stainless steel heat exchanger for corrosion resistance and long-term reliability. It achieves ErP A-rated efficiency up to 94% and meets NOx Class 6 standards. Built-in Wi-Fi enables smart control via the Navien Smart Plus App for convenience and energy management.
Measuring 680 × 395 × 283 mm, the NCB500-30kW fits easily into kitchen cupboards or utility spaces. It is hydrogen-ready for a 20% blend and includes frost protection for dependable performance in cold conditions.
- 30kW central heating output for larger homes
- Stainless steel heat exchanger for durability
- Built-in Wi-Fi for smart control
- Compact size: 680 × 395 × 283 mm
- Hydrogen-ready for 20% blend
| Brand | Navien |
|---|---|
| Width | 395 mm |
| Depth | 283 mm |
| Flue Included | No |
| Fuel Type | Gas |
| Heating Energy Rating | A |
| Heating Type | Condensing |
| Height | 680 mm |
| Max Heat Input | 31 kW |
| Central Heating Output | 30 kW |
| Min Heat Input | 4.6 |
| Min Heat Output | 4.5 |
| Model Name / No | NCB500-30k |
| Weight | 32 kg |
| Usage | Internal Use |
| Length Of Warranty | 10 Years |
| 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 NCB500-30kW is a powerful condensing system boiler designed for medium to large homes with multiple bathrooms. It provides efficient central heating and works with a separate hot water cylinder for stored hot water supply.
This model delivers a central heating output of 30kW and uses a stainless steel heat exchanger for corrosion resistance and long-term reliability. It achieves ErP A-rated efficiency up to 94% and meets NOx Class 6 standards. Built-in Wi-Fi enables smart control via the Navien Smart Plus App for convenience and energy management.
Measuring 680 × 395 × 283 mm, the NCB500-30kW fits easily into kitchen cupboards or utility spaces. It is hydrogen-ready for a 20% blend and includes frost protection for dependable performance in cold conditions.
- 30kW central heating output for larger homes
- Stainless steel heat exchanger for durability
- Built-in Wi-Fi for smart control
- Compact size: 680 × 395 × 283 mm
- Hydrogen-ready for 20% blend
| Brand | Navien |
|---|---|
| Width | 395 mm |
| Depth | 283 mm |
| Flue Included | No |
| Fuel Type | Gas |
| Heating Energy Rating | A |
| Heating Type | Condensing |
| Height | 680 mm |
| Max Heat Input | 31 kW |
| Central Heating Output | 30 kW |
| Min Heat Input | 4.6 |
| Min Heat Output | 4.5 |
| Model Name / No | NCB500-30k |
| Weight | 32 kg |
| Usage | Internal Use |
| Length Of Warranty | 10 Years |
| 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.


