Instantaneous water heaters are sealed unvented appliances with a pressure-tested internal tank for centralised supply. They can be connected to any number of draw-off points. The volume of DHW available is determined by the heating output of the instantaneous water heater. These appliances are compact in design and offer output high enough to heat the water.
The Bosch W2-Range of gas water heaters are now equipped with an automated and fully modulating control system for unsurpassed Domestic Hot Water (DHW) comfort. Operating with an energy efficiency of up to 95% the W2-Range of gas water heaters economically provide domestic hot water on demand. Our tankless water heaters are wall-mounted to save space and the technology only uses gas to heat the water when there is a demand. The W2‘s innovative features insure maximum performance to provide virtually endless hot water.
The “tankless” water heater or “instant” water heater, as they are known, differ from conventional storage type water heaters (geysers) in several ways. The unit does not store hot water; instead, water is heated instantly as it flows through the appliance.