Taco Pump Flange, Specifications: 1-1/2 in NPT Pipe Size, 125 psi Maximum Pressure, 230 deg F Maximum Operating Temperature, Cast Iron, Dimensions: 2-3/4 in H x 4-1/8 in W x 1 in D, Suitable for: 00, 110 Series, 2400 Series and Small 00e ECM High-Efficiency Circulator, Includes: Nuts, Bolts