
The AutoMeter Ultra‑Nite 66.7mm mechanical water temperature gauge reads 140–280°F using a bourdon tube movement for reliable, fast response in demanding conditions. Luminescent dials provide green glow in dim light when battery lighting isn’t available. No electrical hookup is required. The kit includes a 6" capillary, 1/2" NPT mounting nut, perimeter lighting, adapter, bulb and socket, red and green bulb covers, mounting hardware and installation instructions.
Autometer Ultra-Nite 66.7mm 140-280 Deg F Mechanical Water Temp Gauge