For Use in Closed, Potable Hot Water System to Control Pressure Build-Up; Accepts Expanded Water as Temperature Rises to Prevent Relief Valve Discharge and System Damage; Multiple Units Can be Installed to Accommodate Larger System; In-Line Model Feature Paten-Pending Insight Indicator Cap that Changes Color to Indicate Tank Service; Lead-Free; Made in USA
Thermal Expansion Tank; Type In-Line, Non-ASME; Inlet/Outlet Connection 1/2 Inch Male Threaded; Tank Material Steel (Shell), Stainless Steel (System Connection); Tank Inner Lining Antimicrobial Polypropylene; Temperature Rating 200 Deg F; Pressure Rating 150 PSIG; Tank Dimensions 11 Inch Diameter x 15 Inch Height; Tank Capacity 4.4 Gallon; Tank Warranty 7 Year Limited; Diaphragm Type Heavy Duty Butyl; Air Charge Type Factory Pre-Charged; Air Charge Capacity 50 PSIG; Inclusions/Features Projection Welded Air Stem, Patented in Sight Service Indicator Cap; Application Potable Hot Water System; Applicable Standard NSF/ANSI 61, ISO 9001; Lead-Free; Acceptance Factor 0.73; Finish Urethane Topcoat
