Reliable Emergency Heat for Your MRCOOL Pro Direct System
When temperatures drop and your primary heating system needs backup, the MRCOOL 15kW ProDirect Heat Kit (PHK15H) delivers dependable, powerful emergency heat for your Pro Direct air handler. Engineered for seamless integration, this 15 kW heat strip provides robust auxiliary heating to maintain comfort in the coldest conditions. With a built-in circuit breaker for enhanced safety and compatibility with select Pro Direct air handlers, the PHK15H is the premium choice for homeowners who demand reliability and performance from their HVAC system. Experience peace of mind knowing your home stays warm, even when the weather turns extreme.
Key Features
- Emergency Heat Ready: Provides critical backup heating for your Pro Direct air handler, ensuring comfort during system downtime or extreme cold.
- Wide Compatibility: Compatible with all Pro Direct air handlers, including the HAH14048 and HAH14060 models (note: HAH14048 and HAH14060 also support the PHK20H).
- Integrated Circuit Breaker: Built-in circuit breaker enhances safety by protecting against electrical overloads, simplifying installation and reducing the need for external components.
- High-Performance 15 kW Output: Delivers substantial auxiliary heating capacity to effectively warm larger spaces and maintain consistent indoor temperatures.
- UL Listed: Certified to meet rigorous safety and performance standards, giving you confidence in your investment.
- Compact, Space-Saving Design: Slim profile (2.6″ depth) fits neatly within your air handler, maximizing usable space.
Specifications
| Voltage | 240 V |
| Max Fuse Breaker | 60 & 60 A |
| Min Circuit Ampacity | 40 A |
| Rated Load | 15 |
| Auxiliary Heater Sizes | 15 kW |
| UL Listed | Yes |
| Net Depth | 2.6 in |
| Net Height | 12 in |
| Net Width | 9 in |
Why Choose MRCOOL 15kW ProDirect Heat Kit – PHK15H
Choosing the MRCOOL PHK15H means investing in a heating solution engineered for precision and durability. Unlike generic heat strips, this kit is purpose-built for MRCOOL Pro Direct air handlers, guaranteeing a perfect fit and trouble-free installation. The integrated circuit breaker simplifies electrical work, saving you time and potential costs. With a robust 15 kW output, it provides the extra heating power needed to keep your home comfortable during peak demand or emergencies. Backed by MRCOOL’s reputation for quality and UL listing for safety, the PHK15H is the smart choice for homeowners who refuse to compromise on warmth and reliability.
Note: For installation guidance, please refer to the official Install Manual.


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