While primarily rated for air and water

this component is rated strictly for 115V power supply

though factory-configured for CCWLE rotation

This assembly is standard for several Lochinvar and A

System Versatility: The 3/4" NPT connection ensures compatibility with a wide range of global HVACR and steam utility standards

York S1-FNQR1 Fuse R-407A While primarily rated for airThe York S1 FNQR1 is a professional grade 1A 600V time delay fuse specifically engineered for high performance HVAC control circuits and industrial applications. As a Class CC rejection fuse, this component provides critical protection for control transformers and inductive loads where high inrush currents are common. The S1 FNQR1 utilizes a specialized time delay characteristic that prevents nuisance blowing during initial equipment startup while