For more than 70 years, OSO has led the water heater development in Norway by itself. As a result of this Norway have the most durable, operationally stable, environmentally friendly and most affordable stainless steel water heaters in Europe. In 1971 OSO was the first in the world to mass-produce stainless steel water heaters.
Royal Mail Strike Wednesday 30th November and Thursday 1st December. Please be advised we are expecting disruption to orders placed from 29th November onwards. Where 48-hour shipping is selected, orders placed between 29th November and 1st December could take up to 5 working days to arrive. 24-hour shipments placed on 29th November may not be collected from us until 2nd December for expected delivery next working day on 5th December. If you would like to ensure Next Working Day delivery, please select ‘Next Day Courier’ at the checkout. We will be processing as normal and do our best to protect our lead times. We do apologise for any inconvenience. Dismiss