D any repair that is needed as a result of anything other than a fault to the boiler or failure of the boiler itself. Would you like to leave feedback about this page? Calls may be recorded and monitored for quality and training purposes our call centre is open days a week days a year. With a new energy efficient boiler? Installing, replacing or removing. Service was great and i would highly recommend koegel to anyone if you need plumbing done they're the ones.