Amtrol® Fire-X-Trol® Sprinkler System Expansion Tank, In-Line, Series: FPT, 2.1 gal Tank Volume, 0.9 gal Acceptance Volume, 175 psig, ASME Yes/No: Yes, 10 in Dia, 10-3/8 in Height, Steel, 25 psig Pre-Pressure Rating, -20 to 200 deg F Maximum Temperature, FNPT, 3/4 in, Red, Domestic
High performance elastomer compound diaphragm Polypropylene liner to help prevent system corrosion