{"product_id":"xpartco-hvac-capacitor-contractor-pack-18-piece-assortment-kit-dual-single-run","title":"XPARTCO HVAC Capacitor Contractor Pack — 18-Piece Assortment Kit (Dual + Single Run)","description":"\u003cstyle\u003e\n.pom-wrap,.pom-wrap *{box-sizing:border-box}.pom-wrap{max-width:1120px;margin:0 auto;padding:18px;color:#172033;font-family:Inter,Arial,Helvetica,sans-serif;font-size:15px;line-height:1.7}.pom-wrap h2,.pom-wrap h3{margin:0;color:#0f2948;line-height:1.3}.pom-wrap h2{font-size:32px}.pom-wrap h3{margin-bottom:10px;font-size:20px}.pom-hero{padding:25px;border:1px solid #cfe0ef;border-radius:14px;background:#f5f9fd}.pom-kicker{display:inline-block;margin-bottom:10px;padding:5px 10px;border-radius:999px;background:#e8f6ed;color:#126235;font-size:12px;font-weight:700;letter-spacing:.06em;text-transform:uppercase}.pom-subtitle{margin:10px 0 0;color:#46566d}.pom-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:16px}.pom-card{padding:20px;border:1px solid #dce6ef;border-radius:12px;background:#fff}.pom-card-wide{grid-column:1\/-1}.pom-quick{border-left:5px solid #1d72b8;background:#eef7ff}.pom-warning{border-left:5px solid #b42318;background:#fff4f2}.pom-caution{border-left:5px solid #d97706;background:#fff8e8}.pom-confidence{border-color:#bfe3c9;background:#f2fbf5}.pom-wrap p{margin:0 0 10px}.pom-wrap p:last-child{margin-bottom:0}.pom-wrap ul,.pom-wrap ol{margin:8px 0 0;padding-left:22px}.pom-wrap li{margin:5px 0}.pom-table-wrap{overflow-x:auto;margin-top:12px}.pom-table{width:100%;border-collapse:collapse;min-width:720px}.pom-table th,.pom-table td{padding:11px 12px;border:1px solid #dce6ef;text-align:left;vertical-align:top}.pom-table th{background:#eef5fb;color:#0f2948;font-weight:700}.pom-table td:nth-child(2){width:70px;text-align:center;font-weight:700}.pom-specs{width:100%;border-collapse:collapse;margin-top:8px}.pom-specs td{padding:10px 12px;border-bottom:1px solid #e5ebf1;vertical-align:top}.pom-specs tr:last-child td{border-bottom:0}.pom-specs td:first-child{width:36%;color:#334e68;font-weight:700}.pom-note{margin-top:12px;padding:12px 14px;border-radius:9px;background:#fff8e8;color:#694b08;font-size:14px}.pom-danger{margin-top:12px;padding:14px;border:1px solid #efb4ad;border-radius:9px;background:#fff0ee;color:#761c16;font-weight:600}.pom-faq-item{padding:14px 0;border-bottom:1px solid #e5ebf1}.pom-faq-item:first-child{padding-top:0}.pom-faq-item:last-child{padding-bottom:0;border-bottom:0}.pom-faq-q{margin-bottom:4px!important;color:#0f2948;font-weight:700}.pom-badges{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}.pom-badge{padding:6px 10px;border:1px solid #bfe3c9;border-radius:999px;background:#fff;color:#176b3a;font-size:12px;font-weight:700}@media(max-width:720px){.pom-wrap{padding:10px}.pom-grid{grid-template-columns:1fr}.pom-card-wide{grid-column:auto}.pom-hero,.pom-card{padding:17px}.pom-wrap h2{font-size:25px}.pom-specs td{display:block;width:100%!important;padding:8px 10px}.pom-specs td:first-child{padding-bottom:1px;border-bottom:0}}\n\u003c\/style\u003e\n\n\u003csection class=\"pom-wrap\"\u003e\n  \u003cdiv class=\"pom-hero\"\u003e\n    \u003cspan class=\"pom-kicker\"\u003eXPARTCO HVAC Contractor Stock Kit\u003c\/span\u003e\n    \u003ch2\u003eXPARTCO HVAC Capacitor Contractor Pack — 18-Piece Assortment Kit (Dual + Single Run)\u003c\/h2\u003e\n    \u003cp class=\"pom-subtitle\"\u003eFourteen dual run capacitors across seven common ratings plus four single run capacitors across two ratings—all round, 450VAC units.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"pom-grid\"\u003e\n    \u003cdiv class=\"pom-card pom-card-wide\"\u003e\n      \u003ch3\u003eProduct Overview\u003c\/h3\u003e\n      \u003cp\u003eThe \u003cstrong\u003eXPARTCO HVAC Capacitor Contractor Pack\u003c\/strong\u003e combines commonly serviced dual run and single run motor-capacitor ratings into one 18-piece truck-stock assortment. It is designed for HVAC technicians, maintenance teams, and service businesses that want broad coverage without ordering individual capacitors between jobs.\u003c\/p\u003e\n      \u003cp\u003eEach dual run capacitor combines two capacitance sections in one round, three-terminal can: one section for the compressor and one for the condenser fan motor. The single run capacitors are round, two-terminal units used for one motor circuit, including compatible condenser fan motors, pumps, and other single-phase motor equipment.\u003c\/p\u003e\n      \u003cp\u003eThe assortment is weighted toward 35\/5, 40\/5, and 45\/5 MFD—frequently encountered residential service sizes—while 50\/5, 60\/5, 70\/5, and 80\/5 MFD extend coverage to larger residential and light-commercial equipment.\u003c\/p\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv class=\"pom-card pom-quick pom-card-wide\"\u003e\n      \u003ch3\u003eQuick Answer\u003c\/h3\u003e\n      \u003cp\u003eThis 18-piece assortment includes \u003cstrong\u003e35\/5 (×2), 40\/5 (×4), 45\/5 (×4), 50\/5 (×1), 60\/5 (×1), 70\/5 (×1), 80\/5 (×1), single-run 5 MFD (×2), and single-run 7.5 MFD (×2)\u003c\/strong\u003e. All pieces are round and rated 450VAC.\u003c\/p\u003e\n      \u003cp class=\"pom-danger\"\u003eCapacitors can retain a dangerous electrical charge after power is disconnected. Installation, testing, and discharge should be performed by a qualified HVAC professional using appropriate PPE, test equipment, and a rated capacitor-discharge device.\u003c\/p\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv class=\"pom-card pom-card-wide\"\u003e\n      \u003ch3\u003eWhat’s in the Kit\u003c\/h3\u003e\n      \u003cdiv class=\"pom-table-wrap\"\u003e\n        \u003ctable class=\"pom-table\"\u003e\n          \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eCapacitor Rating\u003c\/th\u003e\n\u003cth\u003eQty\u003c\/th\u003e\n\u003cth\u003eTypical Application\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n          \u003ctbody\u003e\n            \u003ctr\u003e\n\u003ctd\u003e35\/5 MFD, 450VAC, Round Dual Run\u003c\/td\u003e\n\u003ctd\u003e2\u003c\/td\u003e\n\u003ctd\u003eSmaller residential split systems and compatible window\/PTAC equipment\u003c\/td\u003e\n\u003c\/tr\u003e\n            \u003ctr\u003e\n\u003ctd\u003e40\/5 MFD, 450VAC, Round Dual Run\u003c\/td\u003e\n\u003ctd\u003e4\u003c\/td\u003e\n\u003ctd\u003eCommon residential systems; high-frequency service size\u003c\/td\u003e\n\u003c\/tr\u003e\n            \u003ctr\u003e\n\u003ctd\u003e45\/5 MFD, 450VAC, Round Dual Run\u003c\/td\u003e\n\u003ctd\u003e4\u003c\/td\u003e\n\u003ctd\u003eCommon residential systems; high-frequency service size\u003c\/td\u003e\n\u003c\/tr\u003e\n            \u003ctr\u003e\n\u003ctd\u003e50\/5 MFD, 450VAC, Round Dual Run\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003ctd\u003eMid-size residential equipment\u003c\/td\u003e\n\u003c\/tr\u003e\n            \u003ctr\u003e\n\u003ctd\u003e60\/5 MFD, 450VAC, Round Dual Run\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003ctd\u003eLarger residential equipment\u003c\/td\u003e\n\u003c\/tr\u003e\n            \u003ctr\u003e\n\u003ctd\u003e70\/5 MFD, 450VAC, Round Dual Run\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003ctd\u003eLarger residential and light-commercial equipment\u003c\/td\u003e\n\u003c\/tr\u003e\n            \u003ctr\u003e\n\u003ctd\u003e80\/5 MFD, 450VAC, Round Dual Run\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003ctd\u003eLarger compressors and compatible light-commercial equipment\u003c\/td\u003e\n\u003c\/tr\u003e\n            \u003ctr\u003e\n\u003ctd\u003e5 MFD, 450VAC, Round Single Run\u003c\/td\u003e\n\u003ctd\u003e2\u003c\/td\u003e\n\u003ctd\u003eCompatible standalone condenser fan motors, pumps, and small single-phase motors\u003c\/td\u003e\n\u003c\/tr\u003e\n            \u003ctr\u003e\n\u003ctd\u003e7.5 MFD, 450VAC, Round Single Run\u003c\/td\u003e\n\u003ctd\u003e2\u003c\/td\u003e\n\u003ctd\u003eCompatible standalone condenser fan motors, pumps, and small single-phase motors\u003c\/td\u003e\n\u003c\/tr\u003e\n          \u003c\/tbody\u003e\n        \u003c\/table\u003e\n      \u003c\/div\u003e\n      \u003cp class=\"pom-note\"\u003e\u003cstrong\u003eTotal:\u003c\/strong\u003e 18 capacitors—14 dual run capacitors across seven ratings and four single run capacitors across two ratings.\u003c\/p\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv class=\"pom-card\"\u003e\n      \u003ch3\u003eCommon Problems This Kit Helps Address\u003c\/h3\u003e\n      \u003cul\u003e\n        \u003cli\u003eOutdoor unit hums but the compressor will not start\u003c\/li\u003e\n        \u003cli\u003eCondenser fan will not start or starts slowly\u003c\/li\u003e\n        \u003cli\u003eMotor needs a manual push to begin turning\u003c\/li\u003e\n        \u003cli\u003eSystem trips a breaker during startup\u003c\/li\u003e\n        \u003cli\u003eAir conditioner blows warm air because the compressor is not running\u003c\/li\u003e\n        \u003cli\u003eContactor repeatedly clicks during failed startup attempts\u003c\/li\u003e\n        \u003cli\u003eCapacitor can is bulged, domed, split, or leaking\u003c\/li\u003e\n        \u003cli\u003eA matching service capacitor is needed without a supply-house return trip\u003c\/li\u003e\n      \u003c\/ul\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv class=\"pom-card\"\u003e\n      \u003ch3\u003eKey Features\u003c\/h3\u003e\n      \u003cul\u003e\n        \u003cli\u003e18-piece dual and single run assortment\u003c\/li\u003e\n        \u003cli\u003eSeven dual run ratings plus two single run ratings\u003c\/li\u003e\n        \u003cli\u003eExtra quantities of 40\/5 and 45\/5 MFD\u003c\/li\u003e\n        \u003cli\u003eAll pieces rated 450VAC\u003c\/li\u003e\n        \u003cli\u003eRound can construction\u003c\/li\u003e\n        \u003cli\u003eThree-terminal dual run and two-terminal single run designs\u003c\/li\u003e\n        \u003cli\u003e1\/4-inch quick-connect terminals\u003c\/li\u003e\n        \u003cli\u003ePolypropylene film construction\u003c\/li\u003e\n        \u003cli\u003e50\/60 Hz operation\u003c\/li\u003e\n        \u003cli\u003e±5% capacitance tolerance\u003c\/li\u003e\n      \u003c\/ul\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv class=\"pom-card pom-card-wide\"\u003e\n      \u003ch3\u003eCompatibility\u003c\/h3\u003e\n      \u003cp\u003eThese are universal replacement motor-run capacitors for compatible central air conditioners, heat pumps, condensing units, PTAC\/window equipment, pumps, and other single-phase motor applications.\u003c\/p\u003e\n      \u003cp\u003eA 450VAC capacitor can replace a 370VAC or 440VAC unit \u003cstrong\u003eonly when the MFD rating, capacitor type, terminal arrangement, physical fit, frequency, tolerance, and all other required specifications match\u003c\/strong\u003e. The replacement voltage rating must meet or exceed the original rating.\u003c\/p\u003e\n      \u003cp class=\"pom-note\"\u003e\u003cstrong\u003eMFD must match:\u003c\/strong\u003e Select the exact printed capacitance value required by the equipment. Do not intentionally substitute a different compressor-side or fan-side MFD rating. Equipment tonnage alone is not a reliable capacitor-selection method.\u003c\/p\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv class=\"pom-card\"\u003e\n      \u003ch3\u003eKit Specifications\u003c\/h3\u003e\n      \u003ctable class=\"pom-specs\"\u003e\u003ctbody\u003e\n        \u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eXPARTCO\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eKit Quantity\u003c\/td\u003e\n\u003ctd\u003e18 Capacitors\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eDual Run Quantity\u003c\/td\u003e\n\u003ctd\u003e14 Capacitors \/ 7 Ratings\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eSingle Run Quantity\u003c\/td\u003e\n\u003ctd\u003e4 Capacitors \/ 2 Ratings\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eVoltage Rating\u003c\/td\u003e\n\u003ctd\u003e450VAC on All Pieces\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eShape\u003c\/td\u003e\n\u003ctd\u003eRound\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eTerminals\u003c\/td\u003e\n\u003ctd\u003e3 on Dual Run \/ 2 on Single Run\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eTerminal Size\u003c\/td\u003e\n\u003ctd\u003e1\/4-Inch Quick Connect\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eFrequency\u003c\/td\u003e\n\u003ctd\u003e50\/60 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eTolerance\u003c\/td\u003e\n\u003ctd\u003e±5%\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eConstruction\u003c\/td\u003e\n\u003ctd\u003ePolypropylene Film\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e-40°C to 70°C (-40°F to 158°F)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eCondition\u003c\/td\u003e\n\u003ctd\u003eNew Universal Replacement Parts\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003c\/tbody\u003e\u003c\/table\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv class=\"pom-card\"\u003e\n      \u003ch3\u003eProduct Markings and Standards\u003c\/h3\u003e\n      \u003ctable class=\"pom-specs\"\u003e\u003ctbody\u003e\n        \u003ctr\u003e\n\u003ctd\u003eListed Markings\u003c\/td\u003e\n\u003ctd\u003eCQC, VDE, TÜV, CL—as marked on supplied units\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eListed Standards\u003c\/td\u003e\n\u003ctd\u003eGB\/T 3667 and EN\/IEC 60252—as marked or documented for supplied units\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eCapacitor Category\u003c\/td\u003e\n\u003ctd\u003eAC Motor Run Capacitors\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003c\/tbody\u003e\u003c\/table\u003e\n      \u003cp class=\"pom-note\"\u003eCertification marks and exact labeling can vary by production batch. Refer to the markings printed on each capacitor and the supplied product documentation.\u003c\/p\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv class=\"pom-card pom-warning pom-card-wide\"\u003e\n      \u003ch3\u003eInstallation and Electrical Safety\u003c\/h3\u003e\n      \u003col\u003e\n        \u003cli\u003eHave installation performed by a qualified HVAC technician.\u003c\/li\u003e\n        \u003cli\u003eShut off power at the equipment disconnect and circuit breaker, apply lockout\/tagout where required, and verify absence of voltage with a properly rated meter.\u003c\/li\u003e\n        \u003cli\u003eTreat every capacitor as charged until it has been discharged with an appropriate rated resistor-based discharge tool and verified safe with a meter.\u003c\/li\u003e\n        \u003cli\u003ePhotograph and label all wires before removal. Dual run terminals are normally marked C, FAN, and HERM\/COMP.\u003c\/li\u003e\n        \u003cli\u003eMatch the old capacitor’s exact MFD values, capacitor type, and terminal configuration. Use an equal or higher voltage rating—never a lower voltage rating.\u003c\/li\u003e\n        \u003cli\u003eConfirm the replacement fits the mounting strap and that terminals cannot contact the cabinet.\u003c\/li\u003e\n        \u003cli\u003eReconnect every wire to the corresponding labeled terminal, secure the capacitor, reinstall covers, and test operation according to the equipment service procedure.\u003c\/li\u003e\n      \u003c\/ol\u003e\n      \u003cp class=\"pom-danger\"\u003eDo not touch terminals with bare hands, do not rely on power being off as proof the capacitor is discharged, and do not install a different MFD value to make a motor start.\u003c\/p\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv class=\"pom-card pom-card-wide\"\u003e\n      \u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n      \u003cdiv class=\"pom-faq-item\"\u003e\n\u003cp class=\"pom-faq-q\"\u003eWhy are 35\/5, 40\/5, and 45\/5 included in higher quantities?\u003c\/p\u003e\n\u003cp\u003eThese ratings are frequently encountered in residential service work, so the kit provides additional stock where repeat usage is most likely.\u003c\/p\u003e\n\u003c\/div\u003e\n      \u003cdiv class=\"pom-faq-item\"\u003e\n\u003cp class=\"pom-faq-q\"\u003eWhat if a job requires a rating not included in this kit?\u003c\/p\u003e\n\u003cp\u003eUse the exact rating specified by the equipment. Less common values such as 25\/5, 30\/5, or 55\/5 MFD must be purchased separately and should never be replaced with a different MFD value from this kit.\u003c\/p\u003e\n\u003c\/div\u003e\n      \u003cdiv class=\"pom-faq-item\"\u003e\n\u003cp class=\"pom-faq-q\"\u003eCan a 450VAC capacitor replace a 370VAC or 440VAC capacitor?\u003c\/p\u003e\n\u003cp\u003eYes, provided 450VAC meets or exceeds the original voltage rating and the MFD value, capacitor type, terminal arrangement, physical dimensions, frequency, and other required specifications match.\u003c\/p\u003e\n\u003c\/div\u003e\n      \u003cdiv class=\"pom-faq-item\"\u003e\n\u003cp class=\"pom-faq-q\"\u003eDoes the MFD rating need to match exactly?\u003c\/p\u003e\n\u003cp\u003eYes. Choose the capacitor whose printed MFD rating matches the original equipment requirement. The product’s manufacturing tolerance is not permission to select a different nominal rating.\u003c\/p\u003e\n\u003c\/div\u003e\n      \u003cdiv class=\"pom-faq-item\"\u003e\n\u003cp class=\"pom-faq-q\"\u003eIs this a Genuine OEM kit?\u003c\/p\u003e\n\u003cp\u003eNo. This is an XPARTCO universal aftermarket replacement assortment selected by electrical rating and application, not a brand-specific OEM kit.\u003c\/p\u003e\n\u003c\/div\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv class=\"pom-card pom-confidence pom-card-wide\"\u003e\n      \u003ch3\u003eShop With Confidence\u003c\/h3\u003e\n      \u003cp\u003eXPARTCO supplies genuine OEM and high-quality replacement components for appliance and HVAC service. Confirm the required MFD rating and equipment specifications before installation. Compatibility support is available before purchase.\u003c\/p\u003e\n      \u003cdiv class=\"pom-badges\"\u003e\n        \u003cspan class=\"pom-badge\"\u003e18-Piece Contractor Pack\u003c\/span\u003e\n        \u003cspan class=\"pom-badge\"\u003e450VAC\u003c\/span\u003e\n        \u003cspan class=\"pom-badge\"\u003eDual + Single Run\u003c\/span\u003e\n        \u003cspan class=\"pom-badge\"\u003eFast U.S. Shipping\u003c\/span\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\u003c\/section\u003e","brand":"XPARTCO","offers":[{"title":"Default Title","offer_id":48420488446164,"sku":"XPCPC18","price":70.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0705\/3030\/2164\/files\/XPCPC18.jpg?v=1785808879","url":"https:\/\/xpartco.com\/products\/xpartco-hvac-capacitor-contractor-pack-18-piece-assortment-kit-dual-single-run","provider":"XPARTCO","version":"1.0","type":"link"}