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City Plumbing GB£2,000.40Visit shop Navien Blue/Light 28Kw Oil System Boiler External Lcb 700 Lsx Plcb0028sh002
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The Navien LCB700 Blue Flame external oil system boiler is designed for larger homes requiring reliable central heating and high-output hot water, particularly those with multiple bathrooms. Its key benefit is an exceptional A+ energy rating when paired with three Smart Plus room thermostats, leading to significant cost savings and reduced environmental impact. A potential caveat is that the A+ rating is contingent on the specific thermostat setup.
| Model Part Number | PLCB0028SH002 |
|---|---|
| Brand | Navien |
The Blue Flame technology provides superior heating efficiency and produces ultra-low nitrogen oxide (NOx) emissions, making it more environmentally friendly.
No, the Navien LCB700 Blue Flame is specifically designed as an external boiler and must be installed outdoors.
HVO stands for Hydrotreated Vegetable Oil, a sustainable biofuel. This Navien boiler is HVO compatible, offering a greener alternative to traditional heating oil.
The A+ energy rating is achieved when the boiler is installed with three Navien Smart Plus room thermostats and configured correctly.
No, this is a system boiler and requires a separate compatible hot water storage cylinder to provide domestic hot water.
The flue can be extended up to 21 meters in both horizontal and vertical configurations, providing flexible installation options.
It is recommended to have the boiler serviced annually by a qualified heating engineer to ensure optimal performance, efficiency, and safety.
Check oil supply, ensure the boiler is receiving power, and verify that the thermostat is calling for heat. If issues persist, contact a qualified engineer.
Verify thermostat settings, check hot water cylinder, and ensure all system valves are open. Inspect for any visible leaks or error codes on the boiler display.
Investigate the source of the noise. It could be related to pump operation, water flow, or combustion. Contact an engineer for diagnosis.
Refer to the Navien LCB700 user manual for specific error code meanings and recommended actions. Contact a qualified engineer if the issue cannot be resolved.
Carefully check if the external condensate pipe is frozen or blocked. If frozen, it may require gentle thawing. If blocked with debris, it needs professional cleaning.
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