Navien
Navien 21kW Oil System Boiler Internal LCB 700 LS PLCB0021SH001
Product code: 638016
Product details
Navien engineered this 21kW internal oil system boiler to deliver high-performance space heating. Built with stainless steel heat exchangers, the unit maintains long-term efficiency and durability. The appliance attains an A+ energy efficiency rating across the UK market when operated alongside three Smart Plus thermostats. Built-in Blue Flame technology cuts NOx emissions to ultra-low levels while maximising fuel performance. A merged PRV and condensate outlet works alongside adaptable pipework connections to streamline installation. The lightweight structure simplifies handling, backed by a 10 year parts and labour warranty for complete peace of mind.
- Product code: 638016
Delivery & returns
Standard UK mainland delivery is £6.95 and free on orders over £100 ex VAT. Heavy or palletised items, the Highlands, Islands and Northern Ireland are quoted separately at checkout.
Eligible unused items may be returned within 14 days of delivery. This does not affect your statutory rights.
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- Delivery informationFree delivery over £100 ex VAT
- Returns policy14-day standard returns
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