The Navien NCB500 ON 32kW gas combi boiler offers superb hot water comfort, powerful heating and f...The Navien NCB500 ON 32kW gas combi boiler offers superb hot water comfort, powerful heating and flexible installation options, making it the ultimate all-rounder for modern family homes. Every model features high-quality components to provide exceptional levels of reliability and performance. Thanks to Navien ON technology, the ground-breaking Combi Crossover boilers have the power and performance of a system boiler and the advantages of a Combi boiler without the cylinder, eliminating slow heat-up times and low flow rates. By putting hot water first, Navien's innovative ON technology removes the fluctuation between hot and cold by providing quality, consistent and efficient hot water. With Navien ON, the possibilities are endless. Key Features: Easy to use built-in digital display panel displays energy usage. Hydrogen-ready (20% blend) technology for futureproofing. Smartphone compatible offering remote adjustments of heating and hot water systems, via app. Smart weather forecasting and Geo-fencing maximise efficiencies and convenience. Fitting comfortably inside a cupboard with ease due to a compact 283mm depth, this energy-saving boiler boasts the same high-quality construction as the NCB700. It can achieve hot water outputs of up to 32kW while boasting an industry-leading ErP efficiency of 93%. Plus, thanks to Navien's state-of-the-art flow adjustment valve and auto mixing valve, the NCB500 is able to provide lots of hot water, with no changes in DHW temperature or flow rate. The boiler also features a built-in, text-driven digital display panel; simple to program and use, it includes a two-channel timer and allows energy usage to be monitored with ease. Features & Benefits: Stainless steel heat exchangers for optimum durability and long-term efficiencies. State-of-the-art flow adjustment valve and auto mixing valve for superb hot water comfort. Turndown ratio of 6:1. Compact dimensions for easy cupboard fit. Easy to use digital display panel. Built-in pre-installed boiler set-up wizard. Hydrogen-ready (20% blend) technology for future proofing. Compatible with Navien Smart Service Toolkit. ErP A+ energy efficiency rating when used with 3 Smart Plus room thermostats (multizone heating). Navien Horizontal Flue included. Smartphone compatible offering remote adjustments of heating and hot water systems. Smart weather forecasting and Geofencing maximise efficiencies and convenience. Flow rate (at 35°C temp rise): 13.1 L/min DHW Output Range: 32.0/4.6kW Heat Output Range at 80/60°C: 26.0/4.5kW
This guide is for homeowners seeking efficient and reliable heating and hot water. The Navien NCB500 Combi Boiler - 32kW offers powerful heating and superb hot water comfort with innovative features like Navien ON technology. Note that professional installation is required, and proper maintenance is crucial for optimal performance.
All features
Model Part Number
PNCB5000032L002
Brand
Navien
Extended Product Information
FAQs
What is Navien ON technology?
Navien ON technology provides consistent hot water without fluctuations, offering the performance of a system boiler with the convenience of a combi boiler.
Is this boiler suitable for my home?
The Navien NCB500 is ideal for most family homes, providing efficient heating and hot water. However, consult with a qualified engineer to determine if it meets your specific needs.
How do I control the boiler remotely?
You can control the boiler remotely using the smartphone app. This allows you to adjust the heating and hot water settings from anywhere.
How often should I have the boiler serviced?
The boiler should be serviced annually by a qualified gas engineer to ensure optimal performance and safety.
What is the warranty period?
Please refer to the manufacturer's warranty information, which may vary. Contact your installer or Navien for more details.
Is the boiler compatible with smart thermostats?
Yes, the Navien NCB500 is compatible with Navien Smart Plus room thermostats for multi-zone heating.
What fuel types does this boiler use?
The Navien NCB500 is designed to run on natural gas and is also hydrogen-ready for future compatibility.
What should I do if the boiler displays an error code?
Refer to the user manual to interpret the error code and follow the suggested troubleshooting steps. If the issue persists, contact a qualified gas engineer.
Troubleshooting
Boiler not starting.
Check the gas supply, power connection, and the circuit breaker. Contact a qualified engineer if the issue persists.
No hot water.
Check the water pressure, gas supply, and the thermostat settings. Consult the user manual for troubleshooting codes.
Poor heating performance.
Check the radiator valves, and ensure the heating system is properly balanced. Bleed the radiators if necessary. Consult a qualified engineer if the issue persists.
Error codes on the display.
Refer to the user manual to interpret the specific error code and follow the recommended troubleshooting steps. Contact a qualified engineer if the issue persists.
Loud noises from the boiler.
Check the water pressure and ensure the system is properly bled. Consult a qualified engineer if the issue persists.
Pros and Cons
Pros
Provides superb hot water comfort.
Offers powerful heating.
Smartphone compatibility for remote control.
High efficiency reduces energy costs.
Compact design allows for flexible installation.
Hydrogen-ready for future compatibility.
Cons
Requires professional installation.
Maintenance is required to ensure efficient operation.
May require modifications to existing plumbing.
App features require a stable internet connection.
The initial cost might be higher than some other boiler types.
Requires professional setup.
Setup, Compatibility & Care
Setup:
Professional Installation: The Navien NCB500 must be installed by a qualified gas engineer. Do not attempt to install the boiler yourself.
Location: Ensure the installation location meets all safety regulations and has adequate ventilation.
Flue Installation: Use the included Navien Horizontal Flue.
Gas Connection: Connect the boiler to a natural gas supply.
Electrical Connection: Connect the boiler to a suitable electrical outlet.
Water Connections: Connect the boiler to the water supply and heating system.
Commissioning: The installer will commission the boiler after installation to ensure optimal performance.
Compatibility:
Smart Home: Compatible with a smartphone app for remote control.
Thermostats: Compatible with 3 Smart Plus room thermostats for multi-zone heating.
Gas Type: Designed for natural gas, with hydrogen-ready technology for future use.
Care:
Annual Servicing: Schedule an annual service with a qualified gas engineer to maintain efficiency and safety.
Water Pressure: Monitor the water pressure regularly. Low water pressure can affect performance.
Cleaning: Wipe the exterior of the boiler with a damp cloth.
Filters: Clean the system filter when required, following the instructions in the user manual.