The NCB500 ON gas condensing combi boiler is a versatile, compact boiler that delivers exceptional hot water comfort, powerful heating, and flexible installation options. Navien's ON technology improves the efficiency of hot water delivery by increasing recirculation and reducing water waste. With premium components and advanced features, it’s designed to meet the needs of modern family homes with reliable, high-performance efficiency.

Features:

• Built-in digital display panel for easy energy monitoring
• Compact design fits conveniently in a standard kitchen cupboard
• Ten-year parts and labour manufacturer's warranty offers lasting peace of mind
• ErP A+ energy efficiency rating keeps running costs low
• Flow adjustment and auto mixing valves provide superior hot water comfort
• IPX4 rating protects against water leaks
• Smartphone compatibility enables remote heating and hot water control
• Durable stainless steel heat exchangers extend performance life
• Hydrogen-ready technology supports future energy sources with 20% blend compatibility
• 3-zone ready with Smart Plus control pack for customized heating

Applications:

• Perfect for modern family homes with high hot water demand
• Suitable for properties needing flexible and compact installations
• Ideal for households seeking long-term energy cost savings
• Designed for homes requiring remote control of heating systems
• Future-ready solution for homes anticipating energy source changes

Technical data:

• Brand - Navien
• Range - NCB500
• Product Type - Combi Boiler
• Wattage - 41kW
• Number of Showers - Two showers & one tap
• Heat Input Range - 26.8/4.6kW
• Modulation (Max/Min) - 06:01
• Heat Output Range @ 80/60°C - 26.0/4.5kW
• DHW Heat Input Range - 41.0/4.6kW
• DHW Output Range - 41.0/4.6kW
• DHW Flow Rate @ 25°C Temp. Rise. - 23.6lltr/min
• DHW Flow Rate @ 35°C Temp. Rise. - 16.8ltr/min
• DHW Flow Rate For Kitchen @ 45°C Temp. Rise. - 13.1ltr/min
• TDR - 09:01
• Flue Diameter - Coaxial Length 60/100mm
• Max. Horizontal Coaxial Length Ø60/100mm - 8mtr
• Max. Vertical Coaxial Length Ø60/100mm - 8mtr
• Lift Weight - 34kg
• Width - 395mm
• Depth - 285mm
• Height - 680mm
• ErP Efficiency - ErP A (93%)
• ErP Efficiency With Smart Plus (x3) - ErP A+ (98%)
• NOx Classification - Class 6
• IP Rating - IPX4

Supplied With:

• LPG Conversion Kit

Please Note:

• Smart weather forecasting and geofencing features available with Smart Plus Control Thermostat paired with the BCM-45RW communication module (Sold Separately)