Navien NCB500 18kW Gas System Boiler
Navien NCB500 18kW Gas System Boiler
(Approx. 3-5 working days)
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The Navien NCB500-18kW is a high-efficiency condensing system boiler designed for small to medium-sized homes. It provides central heating and works with a separate hot water cylinder for stored hot water supply.
This model delivers a central heating output of 18kW and incorporates a stainless steel heat exchanger for 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, offering convenience and energy monitoring.
Compact and lightweight, the NCB500-18kW measures approximately 680 × 395 × 283mm, making installation flexible. It is hydrogen-ready for a 20% blend and includes frost protection for dependable performance in cold conditions.
- 18kW central heating output for small to medium homes
- Stainless steel heat exchanger for durability
- Built-in Wi-Fi for smart control
- 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 | 18.6 kW |
| Central Heating Output | 18 kW |
| Min Heat Input | 3.2 |
| Min Heat Output | 3.1 |
| Model Name / No | NCB500-18k |
| Weight | 27 kg |
| 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 NCB500-18kW is a high-efficiency condensing system boiler designed for small to medium-sized homes. It provides central heating and works with a separate hot water cylinder for stored hot water supply.
This model delivers a central heating output of 18kW and incorporates a stainless steel heat exchanger for 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, offering convenience and energy monitoring.
Compact and lightweight, the NCB500-18kW measures approximately 680 × 395 × 283mm, making installation flexible. It is hydrogen-ready for a 20% blend and includes frost protection for dependable performance in cold conditions.
- 18kW central heating output for small to medium homes
- Stainless steel heat exchanger for durability
- Built-in Wi-Fi for smart control
- 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 | 18.6 kW |
| Central Heating Output | 18 kW |
| Min Heat Input | 3.2 |
| Min Heat Output | 3.1 |
| Model Name / No | NCB500-18k |
| Weight | 27 kg |
| 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.