{"product_id":"mrcool-uhk15-15kw-electric-heat-kit-with-circuit-breakers-for-universal-series-r-454b","title":"MRCOOL UHK15 15kW Electric Heat Kit with Circuit Breakers for Universal Series (R-454B)","description":"\u003ch2\u003eMRCOOL UHK15 15kW Electric Heat Kit with Dual Circuit Breakers – Universal Series (R-454B)\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eMRCOOL UHK15 15kW Heat Kit\u003c\/strong\u003e delivers high-capacity supplemental electric heat for \u003cstrong\u003eMRCOOL Universal Series R-454B air handlers\u003c\/strong\u003e. Featuring dual built-in circuit breakers and factory-approved OEM components, this heat kit installs internally to provide powerful and reliable comfort during extreme cold weather.\u003c\/p\u003e\n\u003ch2\u003eProduct Overview\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eMRCOOL UHK15 Electric Heat Kit\u003c\/strong\u003e is engineered to integrate directly into compatible Universal Series air handlers, offering one of the highest auxiliary heat outputs available in the lineup. The 15kW capacity ensures rapid temperature recovery and dependable heating support even in harsh winter conditions.\u003c\/p\u003e\n\u003cp\u003eAccording to the Universal Series Heat Kit specifications, the UHK15 includes \u003cstrong\u003etwo circuit breakers\u003c\/strong\u003e, \u003cstrong\u003ethree heating relays\u003c\/strong\u003e, and \u003cstrong\u003ethree power cord groups\u003c\/strong\u003e to safely support the higher electrical load. With its rugged construction and OEM-grade design, this heat kit provides long-lasting, efficient performance for residential and light commercial systems requiring maximum backup heat.\u003c\/p\u003e\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eHigh-capacity 15kW electric auxiliary heating\u003c\/li\u003e\n\u003cli\u003eDual built-in circuit breakers for enhanced safety\u003c\/li\u003e\n\u003cli\u003eFactory-certified accessory for MRCOOL Universal Series (R-454B)\u003c\/li\u003e\n\u003cli\u003eBoosts heating performance during extreme low temperatures\u003c\/li\u003e\n\u003cli\u003eInternal installation for a clean, integrated system design\u003c\/li\u003e\n\u003cli\u003eIncludes wiring diagram, breaker label, gasket, and mounting hardware\u003c\/li\u003e\n\u003cli\u003eCompatible with 208\/230V single-phase power\u003c\/li\u003e\n\u003cli\u003eHeavy-duty heating elements for reliable long-term operation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eCompatible With\u003c\/h2\u003e\n\u003cp\u003eThe UHK15 Heat Kit is compatible with the following \u003cstrong\u003eMRCOOL Universal Series R-454B Air Handlers\u003c\/strong\u003e:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eUAH18024-O\u003c\/li\u003e\n\u003cli\u003eUAH18030-O\u003c\/li\u003e\n\u003cli\u003eUAH18036-O\u003c\/li\u003e\n\u003cli\u003eUAH18048-O\u003c\/li\u003e\n\u003cli\u003eUAH18060-O\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e(Compatibility based on MRCOOL Universal Series Heat Kit specification chart.)\u003c\/p\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMRCOOL\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSeries\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUniversal 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