Trico Closed System Opto-Matic 30203. 4 oz glass constant-level oiler with a zinc collar, sight gauge, and pressure-balancing vent.
Trico Closed System Opto-Matic 30203 is a 4 oz constant-level oiler with a one-piece glass reservoir, zinc collar, and sight gauge. A 1/8 NPT vent line back to the housing balances pressure so contamination and spillage stay out. 1/4 NPT, 250 F continuous. Magento still names this a plain Opto-Matic 4 oz. The 8 oz and 16 oz closed-system oilers are other sizes of this oiler. Vented Opto-Matic oilers are listed separately.
| Property | Value |
|---|---|
| Manufacturer | Trico |
| Model | 30203 |
| Style | Closed System, zinc collar, sight |
| Capacity | 4 oz |
| Connection | 1/4 NPT |
| Vent | 1/8 NPT balance line |
| Max temp | 250 F continuous |
| Reservoir | one-piece glass |
| O-ring | Viton |
| Other sizes | 8 oz 30205, 16 oz 30210 |
| Magento name | leftover plain Opto-Matic 4 oz |
What is this?
Trico Closed System Opto-Matic 30203, a 4 oz pressure-balanced constant-level oiler.
Magento name?
The leftover name still says Opto-Matic 4 oz. The published model is closed-system 30203.
Other sizes?
8 oz 30205 and 16 oz 30210.
Vented Opto-Matic?
Listed separately.
Who makes it?
Trico.
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