{"product_id":"yk-4-4-3-2-500-1-rohs-17400516000851-pressure-switch","title":"Compatible with Midea Air Conditioner - YK-4.4\/3.2-500-1 RoHS \/ 17400516000851 Pressure switch","description":"\u003cp\u003eSafeguard your mini-split air conditioning and heat pump compressor against destructive discharge overpressure with this authentic OEM High Pressure Switch. Engineered with factory-calibrated pressure thresholds, this heavy-duty hermetically sealed switch ensures instant electrical cutoff during extreme refrigeration pressure conditions, preventing catastrophic compressor failure.\u003c\/p\u003e\n\n\u003ch3\u003eWhy HVAC Professionals \u0026amp; Technicians Choose This Switch\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e100% Direct OEM Replacement:\u003c\/strong\u003e Built to exact factory thread dimensions, sensor capillary length, and wire lead terminations for seamless drop-in installation with zero piping alterations.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePrecision Calibrated Cut-Off \u0026amp; Reset:\u003c\/strong\u003e Factory pre-set to trigger protective cut-off at 4.4 MPa and automatically reset at 3.2 MPa, maintaining system safety within safe thermodynamic limits.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHermetically Sealed Heavy-Duty Construction:\u003c\/strong\u003e Laser-welded stainless steel pressure diaphragm and sealed wiring withstand outdoor vibration, moisture, and high-pressure refrigerant cycling.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eComprehensive Quality Benchmarking:\u003c\/strong\u003e Every switch undergoes 100% helium leak detection and high-pressure cycle endurance testing prior to dispatch.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; margin-top: 10px; margin-bottom: 20px;\"\u003e\n  \u003ctbody\u003e\n    \u003ctr style=\"border-bottom: 1px solid #e1e3e5;\"\u003e\n\u003ctd style=\"padding: 8px; font-weight: bold; width: 40%;\"\u003ePrimary Part Number\u003c\/td\u003e\n\u003ctd style=\"padding: 8px;\"\u003e17400516000851\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr style=\"border-bottom: 1px solid #e1e3e5;\"\u003e\n\u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eModel \/ Series Code\u003c\/td\u003e\n\u003ctd style=\"padding: 8px;\"\u003eYK-4.4\/3.2-500-1\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr style=\"border-bottom: 1px solid #e1e3e5;\"\u003e\n\u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eComponent Type\u003c\/td\u003e\n\u003ctd style=\"padding: 8px;\"\u003eHigh Pressure Cutoff Switch (Auto-Reset)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr style=\"border-bottom: 1px solid #e1e3e5;\"\u003e\n\u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eCut-Off Pressure (Off)\u003c\/td\u003e\n\u003ctd style=\"padding: 8px;\"\u003e4.4 MPa (approx. 638 PSI)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr style=\"border-bottom: 1px solid #e1e3e5;\"\u003e\n\u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eReset Pressure (On)\u003c\/td\u003e\n\u003ctd style=\"padding: 8px;\"\u003e3.2 MPa (approx. 464 PSI)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr style=\"border-bottom: 1px solid #e1e3e5;\"\u003e\n\u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eApplication\u003c\/td\u003e\n\u003ctd style=\"padding: 8px;\"\u003eOutdoor Mini-Split Condenser \u0026amp; Heat Pump Refrigerant Circuit\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr style=\"border-bottom: 1px solid #e1e3e5;\"\u003e\n\u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eCompliance\u003c\/td\u003e\n\u003ctd style=\"padding: 8px;\"\u003eRoHS Compliant\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr style=\"border-bottom: 1px solid #e1e3e5;\"\u003e\n\u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eProduct Condition\u003c\/td\u003e\n\u003ctd style=\"padding: 8px;\"\u003eBrand New Factory Original Replacement\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eCross-Reference \u0026amp; System Compatibility\u003c\/h3\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; margin-top: 10px; margin-bottom: 20px;\"\u003e\n  \u003cthead\u003e\n    \u003ctr style=\"border-bottom: 2px solid #e1e3e5; text-align: left;\"\u003e\n      \u003cth style=\"padding: 8px; width: 40%;\"\u003eSystem Type\u003c\/th\u003e\n      \u003cth style=\"padding: 8px;\"\u003eCompatible Models\u003c\/th\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr style=\"border-bottom: 1px solid #e1e3e5;\"\u003e\n      \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eDuctless Heat Pumps \u0026amp; Mini-Splits\u003c\/td\u003e\n      \u003ctd style=\"padding: 8px;\"\u003eCompatible with outdoor condensing units using YK-4.4\/3.2 series high pressure protection across Midea, Carrier, and OEM brands\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eFitment Assurance Guarantee\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eUnsure if this pressure switch matches your outdoor unit?\u003c\/strong\u003e\u003cbr\u003ePressure switches must match exact cut-off\/cut-in pressure values and thread connections. Avoid system downtime—send us a photo of your existing switch label or outdoor unit nameplate, and our HVAC specialists will verify compatibility within 12 hours.\u003c\/p\u003e","brand":"HVAC Parts Center","offers":[{"title":"Default Title","offer_id":67598257946735,"sku":"17400516000851","price":62.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0757\/9113\/8927\/files\/yk-4-4-3-2-500-1-rohs-17400516000851-pressure-switch.jpg?v=1790951110","url":"https:\/\/hvacrefrigerationparts.com\/zh-us\/products\/yk-4-4-3-2-500-1-rohs-17400516000851-pressure-switch","provider":"HVAC Parts Center","version":"1.0","type":"link"}