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Protect your refrigeration and air-conditioning circuits from moisture damage with the Castel Humidity Indicator. Its brass housing and built-in color-change sight glass provide clear, real-time feedback on humidity levels in Ø ¼″ (6 mm) cooling lines.
| Models | 3940/2 & 3740/2 |
|---|---|
| Brand | Castel |
| Connection Size | Ø ¼″ (6 mm) |
| Housing Material | Brass |
| Indicator Type | Color-change sight glass |
| Pressure Rating | Up to 16 bar |
| Temperature Range | –20 °C to +80 °C |
| Origin | Italy |
Install the Castel Humidity Indicator Ø ¼″ – 6 mm to maintain dry, efficient operation and extend the life of your cooling system components.