The Navien NCB 28kW is a highly reliable, wall-mountable combi gas boiler that has been designed to be compact and lightweight, meaning that it can be installed neatly inside your kitchen cupboard, out of sight, out of mind.
With an output of 25.6kW for central heating and 27.7kW for hot water, this combi boiler model is ideal for smaller homes with up to 15 radiators and 1-2 bathrooms. The Navien NCB range is also available in 34kW and 40kW options for larger homes with a higher demand for central heating and hot water. Meanwhile, the 24kW is available for homes with lesser demand.
Combi boilers are great space savers and are also highly efficient. The NCB 28kW has an efficiency rating of 92% and an ErP A-rating for both heating and hot water, meaning that this combi boiler could potentially help you to lower your energy bills.