The Navien LCB700 external system oil boiler offers impressive 93% efficiency and a robust 10-year warranty, making it a smart choice for your home heating needs. You'll appreciate its Blue Flame technology and stainless steel heat exchangers, which help reduce energy bills while maintaining consistent temperatures. With prices ranging from £1,600 to £2,600 (plus installation), it's a premium investment that could save you £300-400 annually. There's much more to discover about this efficient heating powerhouse.
Key Takeaways
- The Navien LCB700 costs between £1,600-£2,600 for the unit alone, with total installation costs ranging from £2,600-£3,800.
- Features Blue Flame technology and stainless steel heat exchangers, achieving 93% efficiency and an A+ energy rating.
- Comes with an extensive 10-year warranty and is available in three power outputs: 21kW, 28kW, and 36kW.
- Installation is simplified by lightweight design and flexible flue options up to 21m, supporting up to 20 radiators.
- Can save homeowners £300-£400 annually on heating bills, but may have limited service technician availability in some areas.
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Navien LCB700 External System Oil Boiler Overview
When you're looking for a top-performing external oil boiler, the Navien LCB700 stands out as a game-changer in the UK market.
With its Blue Flame technology and stainless steel heat exchangers, you'll get superior efficiency and durability that'll keep your home cosy for years to come.
You'll appreciate the A+ energy rating and impressive 93% efficiency, which means lower energy bills in your pocket.
The boiler comes in three power outputs – 21kW, 28kW, and 36kW – so you can choose the perfect size for your home's needs.
Installation's a breeze thanks to its lightweight design and flexible flue options up to 21m.
Plus, with a 10-year warranty and Smart Plus control compatibility, you're getting peace of mind wrapped in a clean, modern package.
Navien LCB700 External System Oil Boiler Performance and Efficiency
Thanks to its advanced Blue Flame technology and smart design features, the Navien LCB700 delivers exceptional performance that'll keep your energy bills in check. With an impressive ErP A-rating and up to 98% efficiency when paired with a Smart Plus thermostat, you'll notice the difference in your heating costs.
| Feature | Benefit |
|---|---|
| Blue Flame Technology | Low NOx emissions & superior efficiency |
| Stainless Steel Heat Exchanger | Long-lasting durability & reliability |
| Smart Control Panel | Easy monitoring of oil levels & settings |
You'll appreciate the boiler's quick hot water delivery and consistent temperature, making those morning showers a pleasure rather than a gamble. The system's capable of handling up to 20 radiators, making it perfect for most UK homes. With a standard 10-year warranty, you can rest easy knowing you're covered for the long haul.
Navien LCB700 External System Oil Boiler Pros and Cons
Diving into the pros and cons of the Navien LCB700, you'll find this external system oil boiler offers some impressive advantages alongside a few potential drawbacks.
On the plus side, you're getting exceptional efficiency with its A+ rating when paired with Smart Plus thermostats. The 10-year warranty provides peace of mind, while the stainless steel heat exchanger guarantees lasting performance.
You'll also appreciate the flexible installation options with flue venting up to 21m.
The Navien boiler resources available on our website can help guide your purchasing decision.
However, there are some considerations to keep in mind. You might face challenges finding service technicians in certain areas, and the initial cost is higher than some competitors.
Since it's relatively new to the UK market, there's limited long-term reliability data and fewer user reviews to reference. Some installers may need additional training to work with this system.
How Does The Navien LCB700 External System Oil Boiler Compare To Similar Models From Other Manufacturers?
Looking at how the Navien LCB700 stacks up against its competitors reveals some interesting insights.
With its 93% efficiency rating, it's slightly ahead of popular alternatives like the Worcester Bosch Greenstar Heatslave II (92%) and Grant Vortex Pro External (90.3%).
You'll find the LCB700's output range of 21-36kW matches well with its competitors, making it suitable for similar property sizes.
What really sets it apart is the generous 10-year warranty – that's longer than most rival offerings.
When it comes to tech features, the LCB700's Blue Flame technology helps reduce emissions, while smart control systems put it on par with Worcester Bosch's intelligent controls.
The lightweight design and flexible installation options make it particularly installer-friendly, though Worcester's compact design offers similar benefits.
How Much Does A Navien LCB700 External System Oil Boiler Cost?
When budgeting for a Navien LCB700 external system oil boiler, you'll find prices ranging from £1,600 to £2,600 for the unit alone.
With standard installation included, you're looking at a total cost between £2,600 and £3,800.
Don't forget about those sneaky extra costs (we all love those, right?). You'll need to factor in around £300 for essentials like the flue and magnetic filter.
If you're planning to relocate your boiler, add another £350-£600 to your budget.
The good news? Your investment could save you £300-£400 annually on heating bills compared to older models.
Plus, when you pair it with a Navien Smart Plus thermostat, you'll boost efficiency up to 98%.
The included 10-year warranty helps protect your investment long-term.
Navien LCB700 External System Oil Boiler Warranty and Service Support
Since peace of mind matters when investing in a heating system, you'll be glad to know the Navien LCB700 comes with an extensive 10-year parts and labour warranty.
Just remember to register your warranty after installation via email or phone to activate your coverage.
To keep your warranty valid, you'll need annual servicing by a qualified engineer – think of it as your boiler's yearly health check.
The warranty covers manufacturing defects and component failures, but not issues caused by poor installation or system sludge.
If you need support, you can reach Navien's team by email at [email protected] or call 0344 332 2323.
They've also got over 400 merchants nationwide for parts and support, so help is never far away.
Just make sure to install that recommended magnetic filter – your boiler will thank you later!
Final Verdict
The Navien LCB700 oil boiler stands as a strong contender in today's heating market, and after reviewing its complete feature set, it's clear why.
You'll appreciate the balance of performance and practicality this boiler offers, with efficiency ratings up to 98% when paired with a Smart Plus thermostat. The 10-year warranty gives you peace of mind for the long haul.
Here's what makes the LCB700 particularly compelling:
- Blue Flame technology delivers exceptional efficiency and lower emissions
- Flexible installation options with up to 21m flue length
- Future-proof compatibility with HVO fuels
- Three-zone control capability with smart controls
While the initial cost of £1,500-£1,650 might seem steep, the potential energy savings and impressive feature set make it a worthwhile investment for homeowners seeking a reliable, efficient heating solution.
Get Up To 3 Free Quotes For Your New Boiler
Making a smart investment in your new Navien LCB700 starts with comparing installation quotes from trusted professionals.
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You'll receive customised quotes based on your specific requirements, including property size, number of radiators, and any additional services you might need.
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To get started, simply use our online quote tool and provide details about your current system and preferences.
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