De Dietrich 83778917 wymiennik ciepła DTG 220 - 230 sekcja kotłów 14

De Dietrich Heat Exchanger 83778917 for 14-Section Boilers DTG 220–230 This is a genuine De Dietrich heat exchanger (part number 83778917, code 336.781.003) designed for use in 14‑section DTG 220 and DTG 230 gas boilers. It efficiently transfers heat from the burner to the heating system. Key Benefits: Genuine manufacturer’s part — ensures a precise fit and robust performance. Superior thermal conduction — heavy-duty material resists corrosion and heat stress. Enhances boiler efficiency, helping reduce heating costs.