Boiler Heat Exchanger; Item Heat Exchanger; Type Single Wall, Compact Brazed Plate; Size 3.3 Inch Length x 8 Inch Height; Material AISI 316L Stainless Steel (Plate and Connection), 99.9 Percent Copper (Braze); Used On Item Boiler; Applicable Standard ASME, UL (Canada and US); End Connection 3/4 Inch Threaded x 7/8 Inch Soldered; Pressure Rating 145 to 450 PSIG; Number of Plates 20; Application Domestic Hot Water, Radiant Floor and Snow Melt