Gas wall-mounted condensing boiler BUDERUS Logamax plus GB192-15 iH black, with a timeless design and a modulating burner in the 15 KW version, with a three-way valve and the possibility of connecting an external hot water tank including a low-energy circulation pump. ALUplus - heat exchanger made of high-quality aluminum and silicon alloy. Includes RC310 room controller, condensate drain siphon set, 1" direct connection taps for output and condensate drain siphon return - 7738504208