Intermatic FWZ72B 120U AC Hour Meter 150 Valve Flow control handle for water Flow control handle for water flow adjustment and manual shutoff Non condensing Resistive Load Ratings Ranges 40 A Rear access screw terminals available (Model "K") Bezel Mount Type 3 Hole Category Hour MeterWeb Digits Coloring (Hours) White on Black Digits Coloring (Tenths) Yellow on Black Environmental Rating IP54 (With Use of Gasket) Gasket Model G 72U (sold separately) Hour Meter Material Polycarbonate RoHS Certification Yes Operating Temperature Max (°C) 72 Operating Temperature Max (°F) 160 Operating Temperature Min (°C) 40 Operating Temperature Min (°F) 40 Product Depth (in) 2 All models are black plastic (except FWZ72B which is blue silver on colorless frosted polycarbonate) with white numerals on a black background