SPST CONTACT CONFIGURATION; 7.4 AMP AT 120 VOLT AC (FULL LOAD), 44.4 AMP (LOCKED ROTOR) BURNER CONTACT RATING; UL, CSA APPROVAL; HYDRONIC HEATING SYSTEM APPLICATION; 130 TO 240 DEG F (HIGH LIMIT), 110 TO 220 DEG F (LOW LIMIT) TEMPERATURE RANGE