The Grant Engineering Vortex Wall Hung Internal 16-21 Condensing Oil Boiler is a high efficiency oil boiler designed for wall hung installation, ideal when space is at a premium. This boiler features the unique Grant Vortex stainless steel heat exchanger and turbulator baffle system. This whisper-quiet boiler is fully approved to OFTEC standards and EC directives and has a SEAI HARP 'A' efficiency rating, which means it delivers a high efficiency performance. This boiler is compatible with all Grant EZ fit flue systems.
SEAI HARP 'A' rating