Description
Replacement temperature sensing units (thermostat sensors) for HOTSTART thermosiphon and TPS engine heaters, available in fixed temperature ranges from 80–100 °F through 120–140 °F plus a 90–130 °F remote adjustable unit.
Available part numbers — order by part number (all currently out of stock, contact us to order):
| Part No. | Details / Fits |
|---|---|
| LSU-8 | Sensing Unit (code 8 / 80–100 °F) |
| LSU-10 | Sensing Unit (code 10 / 100–120 °F) |
| LSU-12 | Sensing Unit (code 12 / 120–140 °F) |
| RSU90-130 | Remote Adjustable Sensing Unit (90–130 °F) |
| FSU8 | Sensing Unit |
| FSU10 | Sensing Unit |
| FSU12 | Sensing Unit |





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