Mercury – Water Temperature Gauge C–H (60–200°F) | Cooling System Monitoring | White Face | Black Bezel | 79-8M6020059Mercury Water Temperature Gauge CH (60200F) Cooling System Monitoring White Face Black Bezel 79 8M6020059 OverviewThis 60200F water temperature gauge gives you a steady, no nonsense read on how warm the engines running. The needle moves with an easy, predictable sweep, so you can spot changes without staring at it. Out on the water, it reacts the way youd expect when you trim up, idle through a channel, or push into wind chop. Its the kind of gauge