TEMPCONTROL VALVE THERMOSTATIC TYPE; 0.5 GPM FLOW RATE; 3/4 INCH X 3/4 INCH X 1 INCH NOMINAL SIZE; ASME A112.18.3/CSA B125.3-12, ASSE 1017, NSF/ANSI 61.9/372, CSA (CANADA AND US) APPLICABLE STANDARD; HOT WATER APPLICATION; 70 TO 150 DEG F TEMPERATURE RATING