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City Plumbing GB£1,756.80Visit shop Navien Blue 21Kw External Heat Only Boiler Lcb 700 Rsx Plcb0021sh004
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The Navien Boiler - PLCB0021SH004 is designed for homeowners seeking superior energy efficiency and advanced smart control for their heating systems. Its key benefit is achieving an A+ energy rating, significantly reducing running costs and environmental impact. A potential consideration is its suitability primarily for retrofits in homes with existing traditional boiler setups. This advanced oil boiler features cutting-edge condensing technology, ultra-low NOx emissions, and future-proof Blue Flame technology, all managed through the Navien Smart Plus mobile app.
| Model Part Number | PLCB0021SH004 |
|---|---|
| Brand | Navien |
Blue Flame technology refers to an advanced combustion process that results in a cleaner and more efficient burn, producing less soot and emissions compared to older technologies.
While designed with future-proof technology, it is particularly well-suited for retrofitting into existing homes with traditional boiler systems due to its installation flexibility. Consult with a heating professional for new build suitability.
Download the app from your smartphone's app store, register your boiler, and follow the on-screen instructions to connect it to your home Wi-Fi network. The app allows for remote temperature control, scheduling, and access to smart features like Geofencing and Smart Forecasting.
HVO compatibility means the boiler can run on Hydrotreated Vegetable Oil, a renewable alternative fuel source, allowing for a more sustainable heating solution.
Please refer to the manufacturer's official documentation or your installer for specific warranty details, as these can vary.
It is recommended to have the boiler serviced annually by a qualified heating engineer to ensure optimal performance, efficiency, and safety.
No, this is an oil-fired boiler and cannot be converted to run on natural gas. It is designed specifically for oil and HVO.
Check the oil supply level. Ensure the thermostat is calling for heat and set correctly. Verify that the power supply to the boiler is active. If the issue persists, contact a qualified engineer.
Check if the boiler is in heating or hot water mode. Ensure the thermostat settings are appropriate. Inspect for any obvious leaks in the system. A professional service may be required to check internal components.
Consult the user manual for the specific error code and its meaning. Some codes may indicate simple issues like low pressure, while others require a service engineer.
Verify your home Wi-Fi connection is stable. Ensure the boiler's communication module is powered on. Try restarting your router and the boiler's control system. Check the app for updates.
Setup: The Navien LCB700 series is designed for straightforward installation, especially in retrofitting scenarios. It features a combined Pressure Relief Valve (PRV) and condensate drain, simplifying pipework. Flexible pipework arrangements are supported to accommodate various installation spaces. Professional installation by a qualified heating engineer is recommended to ensure optimal performance and safety.
Compatibility: This boiler is an oil-fired unit. It is compatible with HVO (Hydrotreated Vegetable Oil) for a more sustainable fuel option. Ensure your existing heating system, including radiators and pipework, is suitable for a modern, high-efficiency boiler. The Navien Smart Plus app requires a compatible smartphone or tablet and a stable home Wi-Fi network.
Care: Regular annual servicing by a qualified engineer is essential to maintain performance, efficiency, and safety. Keep the area around the boiler clear of obstructions to ensure proper ventilation. Periodically check and clean external vents and filters as per the manufacturer's instructions. The user interface on the boiler and the mobile app should be kept clean with a dry or slightly damp cloth.
