Oil System Boilers

A system boiler is perfect for providing reliable central heating and powerful hot water in larger homes with more than one bathroom. Suitable for installing in a kitchen or utility room, Navien system oil boilers work alongside a cylinder to store hot water. A system boiler also delivers fully pressurised hot water throughout your home.

Choose our class-leading LCB700 Blue Flame oil boiler in internal or external models.

LCB700 Blue Flame System Boiler (Internal Model)

System Boiler

System Oil 21kW, System Oil 28kW, System Oil 36kW

Internal

LCB700 Blue Flame System Boiler – External Model

System Boiler

System Oil 21kW, System Oil 28kW, System Oil 36kW

External

10 Year Warranty

All Navien boilers are engineered for long term high performance. If a boiler is serviced regularly and breaks down within the warranty period, it’s our responsibility to repair or replace it. So all of our boilers come with a hassle-free guarantee of up to 10 years, which includes the repair and ongoing support of your product.

How can we help you?

What Boiler do I Need?

Find a Boiler

Find an Installer

Find an installer

Book a Service or Repair

Book here

Customer Service