The Nasgas DG-06L (Crystal / Glass) is an efficient, compact instant gas water heater designed for modern households. With a heating capacity of 6 litres, it provides hot water on demand without needing a storage tank. The unit features a heavy copper heat exchanger that enhances heat transfer and durability. 

Safety and convenience are emphasized via multiple features: auto cut-off protection (to prevent overheating), pressure-controlled automatic ignition, low water pressure start-up capability, and anti-freezing protection. A switch for winter/summer mode offers flexibility based on seasonal use. 

The body is made of rust-resistant materials with a compact design to fit narrow spaces. A digital temperature display and shower head are included with the unit. The manufacturer claims energy savings up to 40% compared to older models. 

This model is especially useful for bathrooms where only small demands for hot water exist (for a single shower or wash basin), or as an auxiliary heater.