Toggle Nav
fast delivery
Faster Order Delivery
fast delivery
fast delivery
Click & Collect from Stores
fast delivery
PayPal Interest Free

Navien LCB700 Blue Flame 21kW LCX External Combi Oil Boiler

£2,800.80 £2,334.00
In stock
6 Available for Delivery
Select your local store for Stock Availability.
age verification

This product can only be sold to customers over 18 years of age and we will require your date of birth on your account at checkout.

+ -

A combi boiler (or combination boiler) is perfect for providing reliable central heating and powerful hot water to your home without the need for a cylinder. And with Navien’s latest combi boiler technology, our oil boilers are capable of delivering powerful heating and hot water for a wide range of properties.

The Navien LCB700 Blue Flame range of oil boilers is the first in the UK market to offer an A+ energy rating, thanks to an exceptional design and the latest smart control systems.*

Combined with easy to install features, such as a combined PRV/condensate drain and flexible pipework arrangements, the Navien LCB700 Blue Flame oil boiler is a boiler like no other.

  • HVO compatible.
  • Future proof Blue Flame technology delivers superior efficiency and ultra-low NOx emissions.
  • Lightweight design for easy installation.
  • Clean and modern design.
  • Stainless steel heat exchangers for optimum durability and long term efficiencies.
  • Flue venting up to 21m in horizontal and vertical arrangements.
  • Flexible installation options thanks to compact design and flueing.
  • Achieves highest 3-star mark in DHW performance (in accordance with EN Regulations).
  • Text driven integral display for intuitive control and fuel consumption figures.
  • Class leading energy efficiency for reduced running costs.

* An A+ energy rating is achieved when installed with 3 Smart Plus room thermostats.

Read more
Manufacturer

Navien

MPN

PLCB0021SD002

SKU

93089

GTIN

5060497280359

Product Type

Oil Combi Boiler

Model

LCB700 Blue Flame

Manufacturers Warranty

10 Years (Subject to Manufacturers T&C's)

Boiler Height

882mm

Boiler Width

673mm

Boiler Depth

515mm

Weight (KG)

98.000000

Boiler CH Output (Kw)

16

Boiler CH Output (BTU)

54594

Max DHW Output (Kw)

21

Domestic hot water flow rate

14L Per Minute @ 40°C

ErP Heating Rating

A Rated for Heating

ErP Hot Water Rating

B Rated for Hot Water

Manufacturers brochure PDF File
Customer Questions
How does the Navien Pipe Cover fit beneath the NCB300 & NCB500-ON boilers?

The pipe cover for the Navien NCB300 and NCB500-ON boilers simply hooks in to the bottom of boiler and then pushes back to lock into place.

Please mind that only logged in users can submit questions.
No reviews have been left for this product yet. Please be the first to leave a review if you purchase.
Helpful tools
MRCH BTU calculator BTU Calculator
MRCH find an installer Find an Installer