{"product_id":"5-2-1-compressor-saver-521-csru3-hard-start-kit-4-5-ton","title":"5-2-1 Compressor Saver 521-CSRU3 Hard Start Kit 4-5 Ton","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe 5-2-1 Compressor Saver 521-CSRU3 is a hard start capacitor kit designed to reduce the amp draw and mechanical stress that occur during compressor startup in residential and light commercial air conditioning systems. By providing an additional capacitive boost at the moment of startup, the 521-CSRU3 helps the compressor motor reach full operating speed faster, lowering inrush current and reducing wear on the compressor windings. It is typically installed by licensed HVAC technicians as part of a preventive maintenance strategy or when a system shows signs of hard-starting or slow startup.\u003c\/p\u003e\n\u003cp\u003eThe 521-CSRU3 is rated for 4 to 5 ton air conditioning systems and is intended for use in single-phase residential and light commercial condensing units. This kit is commonly added during routine service calls, pre-season tune-ups, or when replacing a failed run capacitor, and is particularly useful in areas with high ambient temperatures or low-voltage utility conditions that place extra demand on the compressor at startup.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eHard start capacitor kit designed for 4 to 5 ton single-phase AC compressors\u003c\/li\u003e\n  \u003cli\u003eReduces inrush current at compressor startup to lower mechanical and electrical stress\u003c\/li\u003e\n  \u003cli\u003eHelps extend compressor service life by speeding up motor startup cycle\u003c\/li\u003e\n  \u003cli\u003eCompact design suitable for installation inside standard condensing unit electrical compartments\u003c\/li\u003e\n  \u003cli\u003eUseful in low-voltage grid conditions or high-ambient-temperature environments\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned as an OEM-style hard start addition for single-phase residential and light commercial air conditioning compressors in the 4 to 5 ton range.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eInstallation should be performed by a licensed HVAC technician. Disconnect and lock out all power to the condensing unit before servicing the electrical compartment. The hard start kit connects in parallel with the existing run capacitor on the compressor terminals. Verify that the system voltage and compressor tonnage fall within the rated range of this kit before installation.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eApplication\u003c\/strong\u003e: 4 to 5 ton single-phase air conditioning compressors\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eKit Type\u003c\/strong\u003e: Hard Start Capacitor Kit\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eStandard Information\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: 5-2-1 Compressor Saver\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 521-CSRU3\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"5-2-1","offers":[{"title":"Default Title","offer_id":51343916073266,"sku":"521-CSRU3","price":87.79,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/310552803.jpg?v=1782025618","url":"https:\/\/voomisupply.com\/products\/5-2-1-compressor-saver-521-csru3-hard-start-kit-4-5-ton","provider":"Voomi Supply","version":"1.0","type":"link"}