Mercury – Water Temperature Gauge C–H (60–200°F) | Cooling System Monitoring | Black Face | Black Bezel | 79-8M6020035Mercury Water Temperature Gauge CH (60200F) Cooling System Monitoring Black Face Black Bezel 79 8M6020035 OverviewThis 60200F water temperature gauge gives you a straightforward look at how warm the engines running without jitter or fuss. Out on the water, the needle moves with a calm sweep, so any shift in temperature is easy to pick up with a quick glance. It reacts naturally when you get on plane, trim up, or run through shallow water. Its the kind