Master tempering valves available in five sizes that temper water as high as 208 gpm and as low as 3 gpm. All valves are listed to ASSE 1017 and certified to CSA B125. Valves feature advanced paraffin actuation technology for dynamic response and excellent low flow temperature control. The LFMM430 line also features a single-seat design for virtual shut down in the event of cold-water failure, triple-duty check stops with screens, and a 5 deg F approach temperature for low temperature hot water supply. Valves are available in rough Lead Free bronze and chrome plated finish.