{"id":9427890077933,"title":"BlueStars CSR-U2 Hard Start Capacitor Kit - Compatible for Air Conditioner 3 1\/2 to 5 Ton Units","handle":"bluestars-csr-u2-hard-start-capacitor-kit-compatible-for-air-conditioner-3-1-2-to-5-ton-units","description":"\u003ch3\u003eBlueStars CSR-U2 Hard Start Capacitor Kit - Compatible for Air Conditioner 3 1\/2 to 5 Ton Units\u003c\/h3\u003e\n\u003cp id=\"b\"\u003e\u003c\/p\u003e \n\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n \u003cul class=\"a\"\u003e\n \u003cli\u003eMODEL APPLICATION: CSR-U2 Hard Start Capacitor Kit designed for 3.5 to 5 ton air conditioning units. Helps provide the needed boost for AC compressors during startup, especially on older or hard-starting systems.\u003c\/li\u003e\n \u003cli\u003eBOOSTS COMPRESSOR PERFORMANCE: This part delivers powerful starting torque up to a 500% increase to help the compressor start more easily under heavy load or low-voltage conditions. By reducing startup strain and shortening the time it takes for the compressor to reach full speed, this kit supports smoother operation and may prolong compressor service life. Ideal for units that struggle to start or frequently trip breakers.\u003c\/li\u003e\n \u003cli\u003eWIDE COMPATIBILITY: Compatible with many residential HVAC systems using a standard 3.5 to 5 ton setup. Works as a replacement option for CSR-U2, CSRU2, and similar 5-2-1 style hard start kits.\u003c\/li\u003e\n \u003cli\u003eEASY INSTALLATION: Designed for straightforward installation by HVAC professionals. Clear wiring leads allow fast connection to existing terminals for immediate performance improvement.\u003c\/li\u003e\n \u003cli\u003eIMPORTANT SAFETY WARNING PROPER INSTALLATION REQUIRED: This hard start capacitor kit must be installed correctly and according to the wiring diagram. Incorrect wiring, improper installation, or using the product outside recommended conditions may cause capacitor failure or damage to the AC system. If you are unsure about installation, please message us before installing were always happy to help ensure safe and proper use.\u003c\/li\u003e\n \u003cli\u003eDURABLE, HIGH-QUALITY BUILD: Constructed with reliable components engineered to handle frequent high-load starts. Built to maintain strong, stable performance across demanding temperature conditions.\u003c\/li\u003e\n \u003cli\u003e100% LIFETIME PROTECTION: Enjoy reliable performance with our lifetime protection, ensuring that your product will always be covered for any defects or issues that may arise.\u003c\/li\u003e\n \u003c\/ul\u003e","published_at":"2026-07-12T12:40:55+10:00","created_at":"2026-07-09T22:16:55+10:00","vendor":"BlueStars","type":"Capacitors","tags":["home_improvement_July2026"],"price":18800,"price_min":18800,"price_max":18800,"available":true,"price_varies":false,"compare_at_price":null,"compare_at_price_min":0,"compare_at_price_max":0,"compare_at_price_varies":false,"variants":[{"id":50261764374765,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"B0DJ96MPDS","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"BlueStars CSR-U2 Hard Start Capacitor Kit - Compatible for Air Conditioner 3 1\/2 to 5 Ton Units","public_title":null,"options":["Default Title"],"price":18800,"weight":399,"compare_at_price":null,"inventory_management":"shopify","barcode":"CSR-U2","requires_selling_plan":false,"selling_plan_allocations":[],"quantity_rule":{"min":1,"max":null,"increment":1}}],"images":["\/\/leoforward.com\/cdn\/shop\/files\/B0DJ96MPDS.jpg?v=1783599418","\/\/leoforward.com\/cdn\/shop\/files\/81CTLfGRgzS.jpg?v=1783599418","\/\/leoforward.com\/cdn\/shop\/files\/71ufTvfjsCS.jpg?v=1783599418","\/\/leoforward.com\/cdn\/shop\/files\/81eZfs1t9NS.jpg?v=1783599418","\/\/leoforward.com\/cdn\/shop\/files\/91yluwxmOhS.jpg?v=1783599418"],"featured_image":"\/\/leoforward.com\/cdn\/shop\/files\/B0DJ96MPDS.jpg?v=1783599418","options":["Title"],"media":[{"alt":null,"id":40825177669869,"position":1,"preview_image":{"aspect_ratio":1.0,"height":2560,"width":2560,"src":"\/\/leoforward.com\/cdn\/shop\/files\/B0DJ96MPDS.jpg?v=1783599418"},"aspect_ratio":1.0,"height":2560,"media_type":"image","src":"\/\/leoforward.com\/cdn\/shop\/files\/B0DJ96MPDS.jpg?v=1783599418","width":2560},{"alt":null,"id":40825177702637,"position":2,"preview_image":{"aspect_ratio":1.0,"height":2560,"width":2560,"src":"\/\/leoforward.com\/cdn\/shop\/files\/81CTLfGRgzS.jpg?v=1783599418"},"aspect_ratio":1.0,"height":2560,"media_type":"image","src":"\/\/leoforward.com\/cdn\/shop\/files\/81CTLfGRgzS.jpg?v=1783599418","width":2560},{"alt":null,"id":40825177735405,"position":3,"preview_image":{"aspect_ratio":1.0,"height":2560,"width":2559,"src":"\/\/leoforward.com\/cdn\/shop\/files\/71ufTvfjsCS.jpg?v=1783599418"},"aspect_ratio":1.0,"height":2560,"media_type":"image","src":"\/\/leoforward.com\/cdn\/shop\/files\/71ufTvfjsCS.jpg?v=1783599418","width":2559},{"alt":null,"id":40825177768173,"position":4,"preview_image":{"aspect_ratio":1.0,"height":2560,"width":2560,"src":"\/\/leoforward.com\/cdn\/shop\/files\/81eZfs1t9NS.jpg?v=1783599418"},"aspect_ratio":1.0,"height":2560,"media_type":"image","src":"\/\/leoforward.com\/cdn\/shop\/files\/81eZfs1t9NS.jpg?v=1783599418","width":2560},{"alt":null,"id":40825177800941,"position":5,"preview_image":{"aspect_ratio":1.0,"height":2560,"width":2560,"src":"\/\/leoforward.com\/cdn\/shop\/files\/91yluwxmOhS.jpg?v=1783599418"},"aspect_ratio":1.0,"height":2560,"media_type":"image","src":"\/\/leoforward.com\/cdn\/shop\/files\/91yluwxmOhS.jpg?v=1783599418","width":2560}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch3\u003eBlueStars CSR-U2 Hard Start Capacitor Kit - Compatible for Air Conditioner 3 1\/2 to 5 Ton Units\u003c\/h3\u003e\n\u003cp id=\"b\"\u003e\u003c\/p\u003e \n\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n \u003cul class=\"a\"\u003e\n \u003cli\u003eMODEL APPLICATION: CSR-U2 Hard Start Capacitor Kit designed for 3.5 to 5 ton air conditioning units. Helps provide the needed boost for AC compressors during startup, especially on older or hard-starting systems.\u003c\/li\u003e\n \u003cli\u003eBOOSTS COMPRESSOR PERFORMANCE: This part delivers powerful starting torque up to a 500% increase to help the compressor start more easily under heavy load or low-voltage conditions. By reducing startup strain and shortening the time it takes for the compressor to reach full speed, this kit supports smoother operation and may prolong compressor service life. Ideal for units that struggle to start or frequently trip breakers.\u003c\/li\u003e\n \u003cli\u003eWIDE COMPATIBILITY: Compatible with many residential HVAC systems using a standard 3.5 to 5 ton setup. Works as a replacement option for CSR-U2, CSRU2, and similar 5-2-1 style hard start kits.\u003c\/li\u003e\n \u003cli\u003eEASY INSTALLATION: Designed for straightforward installation by HVAC professionals. Clear wiring leads allow fast connection to existing terminals for immediate performance improvement.\u003c\/li\u003e\n \u003cli\u003eIMPORTANT SAFETY WARNING PROPER INSTALLATION REQUIRED: This hard start capacitor kit must be installed correctly and according to the wiring diagram. Incorrect wiring, improper installation, or using the product outside recommended conditions may cause capacitor failure or damage to the AC system. If you are unsure about installation, please message us before installing were always happy to help ensure safe and proper use.\u003c\/li\u003e\n \u003cli\u003eDURABLE, HIGH-QUALITY BUILD: Constructed with reliable components engineered to handle frequent high-load starts. Built to maintain strong, stable performance across demanding temperature conditions.\u003c\/li\u003e\n \u003cli\u003e100% LIFETIME PROTECTION: Enjoy reliable performance with our lifetime protection, ensuring that your product will always be covered for any defects or issues that may arise.\u003c\/li\u003e\n \u003c\/ul\u003e"}