Description
HOTSTART DC Oil Heater. 12 V DC and 24 V DC oil heaters can be powered directly from the battery, but will drain the battery very rapidly unless charged by an alternator or generator. When used with a thermostat control, all DC oil heaters must use a DC relay.
Available models / part numbers — order by part number (all currently out of stock, contact us to order):
| Part No. | Voltage | Watts | Fitting / Probe |
|---|---|---|---|
| OW207900-012 | 12 V | 75 W | 1/2″ NPT 4″ (101mm) probe |
| OW407900-012 | 12 V | 75 W | 3/4″ NPT 4-7/8″ (124mm) probe |
| OW407900-024 | 24 V | 75 W | 3/4″ NPT 4-7/8″ (124mm) probe |
| OW212900-024 | 24 V | 125 W | 1/2″ NPT 4″ (101mm) probe |
| OW415900-012 | 12 V | 150 W | 3/4″ NPT 4-7/8″ (124mm) probe |
| OW615900-012 | 12 V | 150 W | 1″ NPT 5-3/8″ (136mm) probe |
| OW415900-024 | 24 V | 150 W | 3/4″ NPT 4-7/8″ (124mm) probe |
| OW615900-024 | 24 V | 150 W | 1″ NPT 5-3/8″ (136mm) probe |
| OW630900-012 | 12 V | 300 W | 1″ NPT 5-3/8″ (136mm) probe |
| OW430900-024 | 24 V | 300 W | 3/4″ NPT 4-7/8″ (124mm) probe |
| OW630900-024 | 24 V | 300 W | 1″ NPT 5-3/8″ (136mm) probe |
| OW650900-024 | 24 V | 500 W | 1″ NPT 5-3/8″ (136mm) probe |





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