Mercury – Water Temperature Gauge C–H (60–200°F) | Cooling System Monitoring | Black Face | Brushed Bezel | 79-8M6020047Mercury Water Temperature Gauge CH (60200F) Cooling System Monitoring Black Face Brushed Bezel 79 8M6020047 OverviewThis 60200F water temperature gauge gives you a clean, steady look at how warm the engines running. The needle moves in a slow, predictable sweep instead of jumping around when the boat rocks, so small changes are easy to spot. Out on the water, it becomes a quick habitglance down, get the info, and keep going. Its simple, reliable, and