Description
HOTSTART PS252 Oil Pressure Switch. For automatic cut-off of heaters when the engine starts. A pressure switch that senses engine oil pressure is used to shut the heater off on increase of oil pressure and to turn the heater on when engine oil pressure drops. To prevent overheating of the heating element on standby equipment and automatic start engines, HOTSTART recommends turning the coolant heater off when the engine is running.
- Enclosure Type: Dry Locations, Dry Locations (Reverse Action), Wet Locations, Hazardous Locations
- Available configurations: 4 models / SKUs
Select the required option above to order the exact model — each configuration ships as its own HOTSTART part number.






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