Model A11 combination boiler runs on the natural gas or LPG. The boiler is compact and constructed of tried and tested components. It is proven reliable and low maintenance. Available in two versions, bithermic exchanger type and double exchangers type, in 4 output size 20kW, 24kW, 28kW and 32kW.

Model HWB-A12 wall boiler is an endurable and compact gas boiler supplying hot water for space heating and domestic hot water in one unit with efficiency above 90%. Installed indoor, it is rather safe thanks to its sealed combustion system not taking air in the room and exhaust gas is forced out of the house by a built-in blower. Available in 4 output size18kW, 24kW，28kW，32kW, and comes with two versions, bithermal version and double heat exchangers version.

HWB A-18 Wall hung boiler and water heater features superior temperature stablility and user-friendly backlit LCD display. The unit has a wide power range in 7 sizes 18kW 20kW 24kW 28kW 32kw 36kW 40kW, to meet all of your heating and hot water needs, whilst doing so efficiently.

A15 Combi Boiler is renowned for high reliability by utilizing tried and time-tested components. It comes with 4 capacity sizes 24kW, 28Kw，32kW, 40kW, available with two versions, bithermal exchanger version and double heat exchangers version.

HWB-L16 Wall hung condensing combi boiler for space heating with high efficiency over 99% to 101% . The unit uses a stainless steel secondary heat exchanger to absorb heat from exhaust smoke. The boiler comes with heat output 24kW and 28kW, all models are available in two versions, bithermic exchanger versions and double heat exchangers version.

HWB-A17 gas space heating wall mount combination boiler features simple operation with user friendly LED display and endurability. The unit is availabe in bithermic exchanger type and double exchangers type with 4 capacity sizes, 18kW, 20kW, 24kW and 28kW.

S-L28M3C is a fully premixed condensing combi boiler with efficiency over 107.8% and very low carbon dioxide. It is equipped with Sertima Stainless Steel Coil Main Heat Exchanger and SIT Gas Valve and Blower.

C12 Combination Boiler is equipped with patented Sunflower burner for clean and complete combustion. The unit is avaible in 18kW 24kW and 28kW.