Bosch TF325-8GNG 13 Litre NATURAL GAS Hot Water Heater HydroPower 13H

The Bosch HydroPower series delivers consistent hot water to Australian homes with no need for electrical connections or battery replacements. Built for convenience and energy efficiency, the HydroPower models use water flow to ignite the burner, offering a reliable, environmentally conscious solution for everyday use.

HydroPower technology uses water flow to ignite the system, meaning no reliance on electricity or external power sources — ideal for homes with basic infrastructure or off-grid needs. Backed by decades of experience and advanced German engineering, every Bosch HydroPower unit is designed and built to the highest standards.

No electrical connection or batteries required
External installation
Suitable for Natural Gas
Built to last with over 30 years of proven performance
Maximum water pressure 800kPa
Nominal Gas Consumption 104 MJ/h
Water Connection 15mm 1/2" BSP
Gas Connection 20mm 3/4" BSP
Height 845mm Width 405mm Depth 265mm Weight 22Kg
Part Number 7716472601
Warranty – domestic use 2 years parts and labour, 10 year heat exchanger.

Temperature selector in fully clockwise position
Temperature rise (Above incoming water temperature) 50°C
Water flow range (Litres per minute) L/min 3.2 to 6.5

Temperature selector in fully anti-clockwise position
Temperature rise (Above incoming water temperature) 25°C
Water flow range (Litres per minute) L/min 4 to 13

See Download for installation & operating instructions