Warranty for this specific model:

Inner Tank

• 5 years if supply is from roof tank
• 3 years for flow pump supply not greater than (<)2.5BAR without a pressure vessel
• 5 years for flow pump supply not greater than (<)2.5BAR with pressure vessel (capacity of 10% of the water heater volume)
• If supplied by government mains, a pressure regulating valve (set to 2.5BAR) and a Pressure Vessel (capacity of 10% of the water heater volume) must be installed for the warranty to be valid