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 4.8 stars

1,220 reviews

 4.8 stars

1,220 reviews

Navien NCB 40kW Combi Gas Boiler

Navien NCB 40kW Combi Gas Boiler Boiler
Typical Price (inc VAT)
£N/A
Typical installation Cost (inc VAT)*
£500 - £1000
Sundries (Filter, Flue, etc)
£300

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Make Navien
Model NCB 40kW Combi Gas Boiler
Is Condensing condensing
Efficiency Rating 93%
Band Rating A Rating
LPG Compatible Yes
Standard Warranty 7 Years
Central Heating Max. Output 33.2 kW
Mounting Wall Mounted
Flow Rate 16.9 l/min
Typical Price (inc VAT) £N/A
Typical installation Cost (inc VAT)* £500 - £1000
ERP Rating A Heat A Water
Hot Water Max. Output 39.6 kW

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Product Description

The NCB 40kW Combi is a gas-fired, wall-mounted condensing boiler that has a high seasonal efficiency rating of 93% and ErP A rating for heat and hot water.

Designed and manufactured by Navien, this 40kW model is perfectly suited to larger homes with 2 or more bathrooms that have a high demand for heating and hot water. Should your home not need a boiler with such a high output, the NCB Combi range also includes a 24kW model for homes with 1 bathroom, a 28kW boiler for medium-sized homes and a Combi with a 34kW output, also good for larger homes. Should your home have a high demand for heating and hot water, you might be better suited to a System boiler, which Navien also manufacture.

Navien’s NCB Combi boilers come with a primary and secondary stainless steel heat exchanger, helping to prevent corrosion which will extend the boiler’s life and being OpenTherm ready helps cut the costs of installation. Some more features of the NCB Combi include a full-modulation system that continuously optimises its heat output, extended venting up to 20m for flexible installation, optional outdoor weather sensor, a self-diagnosis and error feedback feature, for quick troubleshooting, and a stylish touch-type control panel for complete control over. Plus, the NCB 23kW is able to regulate the heating temperature according to changes in outside temperatures.

Combi boilers supply hot water and heating on demand using the water supply from the mains, which means that you don’t need to install any bulky tanks or cylinders, making them perfect for smaller homes where space is limited.

The Navien NCB 40kW Combi comes backed by a 7 year warranty that will mean you’re covered long after the installation has taken place.

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* This is a guide price for a straightforward, like-for-like boiler replacement. Installation costs will vary dependent on work required.

Why not compare these similar boilers?

Boiler Model kW Efficiency Warranty Typical Price
Navien NCB 24kW Combi Gas Boiler 21.4 kw 92% 7 years £N/A VIEW
Navien NCB 28kW Combi Gas Boiler 25.6 kw 93% 7 years £N/A VIEW
Navien NCB 34kW Combi Gas Boiler 31.1 kw 93% 7 years £N/A VIEW
Navien NCB 40kW Combi Gas Boiler 33.2 kw 93% 7 years £N/A VIEW
Navien NCB 20kW System Gas Boiler 20kw 92% 7 years £N/A VIEW
Navien NCB 23kW System Gas Boiler 23kw 93% 7 years £N/A VIEW
Navien NCB 28kW System Gas Boiler 28kw 93% 7 years £N/A VIEW
Navien NCB 33kW System Gas Boiler 33kw 93% 7 years £N/A VIEW
Navien LCB700 21kW Internal System Oil Boiler 21kw 93% 10 years £N/A VIEW
Navien LCB700 28kW Internal System Oil Boiler 28kw 93% 10 years £N/A VIEW
Navien LCB700 36kW Internal System Oil Boiler 36kw 93% 10 years £N/A VIEW
Navien LCB700 21kW Internal Regular Oil Boiler 21kw 93% 10 years £N/A VIEW
Navien LCB700 28kW Internal Regular Oil Boiler 28kw 93% 10 years £N/A VIEW
Navien LCB700 36kW Internal Regular Oil Boiler 36kw 93% 10 years £N/A VIEW
Navien LCB700 21kW External System Oil Boiler 21kw 93% 10 years £N/A VIEW
Navien LCB700 28kW External System Oil Boiler 28kw 93% 10 years £N/A VIEW
Navien LCB700 36kW External System Oil Boiler 36kw 93% 10 years £N/A VIEW
Navien LCB700 21kW External Regular Oil Boiler 21kw 93% 10 years £N/A VIEW
Navien LCB700 28kW External Regular Oil Boiler 28kw 93% 10 years £N/A VIEW
Navien LCB700 36kW External Regular Oil Boiler 36kw 93% 10 years £N/A VIEW
Navien LCB700 21kW Internal Combi Oil Boiler 23 kw 93% 10 years £N/A VIEW
Navien LCB700 28kW Internal Combi Oil Boiler 30.3 kw 93% 10 years £N/A VIEW
Navien LCB700 36kW Internal Combi Oil Boiler 39 kw 93% 10 years £N/A VIEW
Navien LCB700 21kW External Combi Oil Boiler 23 kw 93% 10 years £N/A VIEW
Navien LCB700 28kW External Combi Oil Boiler 30.3 kw 93% 10 years £N/A VIEW
Navien LCB700 36kW External Combi Oil Boiler 39 kw 93% 10 years £N/A VIEW

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Excellent 4.8 out of 5
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