1. Slant Fn RATINGS CHART WATER HEAT MODEL WH First Hour Ratings gph Heat Exchanger Coil Storage Capacity at 140 F at115 F gal 90 F AT 65 F AT WH 30 30 WH 40 40 WH 60 60 WH 80 80 Double wall coil models WH 40 D 40 WH 60 D 60 WH 80 D 80 SLANT FIN CORPORATION Greenvale NY 11548 e Phone 516 484 2600 FAX 516 484 5921 In Canada Slant Fin LTD LTEE Mississauga Ontario www slantfin com Heating Surface Sq Ft Recommended Flow Rate Pressure Drop Slant Fin Corp 2007