Description
MRCOOL 15 kW Heat Kit for ProDirect Series – PHK15H
Specifications
| Dimensions | 2.6″ D x 12″ H x 19″ W |
|---|---|
| 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 |
What our Experts Think
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Powerful Backup Heating — Delivers up to 51,000+ BTUs, ideal for cold climates or when supplemental heat is needed with your ProDirect system.
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Tailored Fit — Specifically designed for MRCOOL ProDirect air handlers (36K–60K models), ensuring perfect compatibility and performance.
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Compact & Efficient — Small footprint (approx. 9″ × 2.6″ × 12″) makes installation straightforward inside the air handler.
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Safe & Protected — Built-in overheat protection safeguards your HVAC system during extreme operation.
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Know Your Power Needs — Operates on 240V, with a required 60A fuse and 40A minimum circuit ampacity.
Q&A
Q: What is the MRCOOL PHK15H Heat Kit used for?
A: It adds 15 kW of electric heat to compatible MRCOOL ProDirect Series air handlers for enhanced cold-weather performance.
Q: Is this heat kit compatible with all ProDirect models?
A: It’s designed specifically for select MRCOOL ProDirect Series units—check model compatibility before purchase.
Q: Does the heat kit include built-in breakers?
A: Yes, the PHK15H includes built-in circuit breakers for added safety and code compliance.
Q: Is professional installation required?
A: Yes, professional installation is recommended to ensure safety and proper function.
Q: Can this heat kit serve as a primary heat source?
A: Yes, in mild climates, it can serve as a primary heat source or as a backup in colder regions.
Maintenance Tips
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Ensure power is disconnected before performing any maintenance
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Inspect wiring and connections regularly for signs of wear or damage
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Clean dust and debris from components to prevent overheating
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Check for proper operation during seasonal HVAC inspections
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Ensure compatibility and correct installation within the ProDirect air handler
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Have a licensed HVAC technician inspect annually for safety and performance
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Keep unit dry and protected from moisture or corrosion
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