Ideal for hot water heaters, providing flow rates as high as 23 gpm. Compact design and Lead Free brass construction simplify installation and maintenance while ensuring years of dependable service. Unique handle mechanism allows exact temperature selection to be ''locked-in'' for added protection. The Series LFLM490 and LFLM490-10 features Powers' advanced paraffin-based actuation technology, integral checks and inlet screens to prevent cross-flow and contamination. The thermostatic element ensures optimal, consistent performance over a wide range of temperatures. The Series LFLM490 & LFLM490-10 are ASSE 1017 listed and CSA B125 certified.