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๐ง Stay in control with precision pressure โ never miss a drop!
The Square D FSG2J21M4CP is a compact, electric pressure switch engineered for water-supply systems and submersible well pumps. Featuring a precise activation range of 30 to 50 PSI and a low pressure cutoff, it protects your pump while ensuring consistent water flow. Its 1/4"-18 NPSF internal thread allows easy installation, making it a reliable replacement or upgrade backed by Square D's trusted warranty.


| Manufacturer | Square D |
| Part Number | FSG2J21M4CP |
| Item Weight | 14.4 ounces |
| Product Dimensions | 2.78 x 3.76 x 2.8 inches |
| Item model number | FSG2J21M4CP |
| Is Discontinued By Manufacturer | No |
| Size | No Size |
| Color | Grey |
| Style | Submersible |
| Material | Plastic |
| Shape | Triangle |
| Power Source | Electric |
| Item Package Quantity | 1 |
| Switch Type | not_applicable |
| Mounting Type | Wall Mount |
| Switch Style | ?Pressure Switch |
| Included Components | Square D FSG2J21M4CP 30/50 PSI Standard Pressure Switch with Low Pressure Cutoff |
| Batteries Included? | No |
| Batteries Required? | No |
| Warranty Description | Warranty |
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