UP1542F Features: -Recirculator pump.-Material: bronze and stainless steel.-Aluminum stator housing.-Stainless steel spherical separator.-Stainless steel / tungsten carbide rotor.-Stainless steel, epdm, pu, ptfe, graphite rotor and impeller.-Brass ms 58 pump housing.-PPO isolation valve.-PA66/6 terminal box cover, motor cover.-Lexan light.-PVC cable, cable relief.-EPP 55 insulating cover.-EPDM o"rings.-POM check valve.-Insulation class: F.-Wet rotor design.-Composite impeller.-Eliminates and prevents corrosive effects of fresh water.-Maintenance-free, low energy consumption, easy to install, quiet running.-Improved performance and efficiency.-Pre-program usage times to save power.-No additional wiring required.-Adds to savings by operating pump by sensing the water temperature with optional timer and aquastat.-Flow range: 0 - 155 US GPM.-Head range: 12" - 180".-Phase: 1.-Maximum fluid temperature: 230 F (110 C).-Minimum fluid temperature: 36 F (2 C).-Maximum working pressure: 145 PSI. Includes: -2 Gaskets Included. Specifications: -Power consumption: 25watts.-Voltage: 115 volts. Dimensions: -Connection: flange - (2) 3/4" diameter bolt holes.-Dimensions: 6.5" H x 4.19" W x 5.25" D.