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Key Benefits Dual-Range Versatility: Specifically designed for spray and dry applications with 55-90°F and 90-140°F dial ranges
preserving the high rangeability of your pneumatic control valve
vibration-resistant installation in the control box
Heavy-duty shaft sleeve design protects the motor shaft from corrosion and sediment buildup
Supco SHL506 Limit Switch 319848-301 Key Benefits Dual-Range Versatility: SpecificallyThe Supco SHL506 Limit Switch is a high performance HVAC furnace limit control engineered for precise thermal protection in residential and commercial heating systems. This plenum thermostat features a fixed open temperature of 170F and a fixed close temperature of 130F, providing a reliable 40F differential to prevent heat exchanger overheating. With its SPST normally closed circuit and auto reset functionality, the SHL506 ensures seamless operation
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