Source: https://www.warmteservice.nl/medias/root/prod_link_dataB-daalmore.pdf?context=bWFzdGVyfHJvb3R8NTkzNjkzMHxhcHBsaWNhdGlvbi9wZGZ8aGU1L2hkZS84OTA1ODM3NjQxNzU4LnBkZnxhMDhkMzFkZTA3NmI4OTBmOTdlNzA2MDM4NmZhMWEzOTUzMzgzODY2MzZlNGQyNjZmNGI5OWZmMzhlYjkwZTMx