Navien Blue Lcb700 21Kw Oil System Boiler Internal Ls Smart Package 30025011A

Navien

The Navien LCB700 Blue Flame System Boiler (LS internal model) is a compact, high-efficiency oil system boiler available in 21 kW output suited for small to medium heating systems. HVO compatible and featuring stainless steel heat exchangers, it delivers class-leading efficiencies (Er P A, up to A+ with Smart Plus) and ultra-low NOx emissions for reduced running costs and environmental impact. The design includes flexible flueing (up to 20 m horizontal, 21 m vertical), a lightweight compact chassis for easier installation, combined PRV/condensate drain, text-driven integral display and 3-zone Smart Plus readiness. Supplied with a 10-year parts and labour warranty, the LCB700 LS is ideal for professional installations requiring durable components, future-proof controls and high domestic hot water performance.