b'Guardian.Commercial / Retail Air Curtains Effective, efficient and aesthetically pleasing withsuperior performance and easy servicing Available in 3 models; GB (bulkhead mounted),GR (recess mounted) and GS (surface mounted) Available in 3 versions; Ambient (non-heated),Electric heating or Low pressure hot water heating reznorsales@nortek.com Reduces heat loss around open doors by up to 80% www.reznor.eu01384 489250page 232 www.hvindex.comREZNOR_GUARDIAN_A2021.indd 1 04/06/2021 12:03'