MRCOOL DC Inverter Packaged Unit 20KW Heat Kit
MODEL: MDPHK-20
Product Description
High-Capacity Electric Backup Heating for 4–5 Ton Universal Systems
The MRCOOL® MDPHK-20 20kW Heat Kit is a powerful electric auxiliary heating solution designed for seamless integration with MRCOOL® 4-ton and 5-ton Universal DC Inverter Packaged Heat Pumps. Ideal for colder climates or situations where enhanced heating performance is required, this kit ensures your HVAC system continues to deliver warm, comfortable air even during extreme winter conditions.
Built for reliability and efficiency, this 20kW heat kit installs directly into the air handler, providing rapid supplemental heating when the heat pump alone can’t meet demand. It's fully compatible with MRCOOL® inverter technology and comes pre-engineered for straightforward, hassle-free installation.
Why Installers Choose It
✅ 20kW of Electric Heat Backup – Maximum auxiliary heating for 4T/5T packaged systems
✅ Plug-and-Play Integration – Factory-matched to fit MRCOOL® Universal Packaged Units
✅ Cold Climate Ready – Maintains indoor comfort when outdoor temps drop below heat pump efficiency
✅ Durable Build – Designed for long-term use with reinforced heating elements
✅ Installer-Friendly – Simplified electrical connections and mounting system
✅ Enhanced Control – Works with MRCOOL® compatible thermostats for intelligent heat management
What’s Included:
-
20kW Electric Heat Strip Assembly
-
Integrated Safety Limit Switch
- Factory Mounting Kit
-
Wiring Harness for Easy Electrical Connection
-
Installation Manual
Specifications at a Glance
| Attribute | Details |
|---|---|
| Model | MDPHK-20 |
| Brand | MRCOOL® |
| Series | DC Inverter Package Unit Heat Kits |
| Heater Type | Electric Auxiliary Heat Strip |
| Capacity | 20kW |
| System Compatibility | 4-Ton and 5-Ton Universal Packaged Systems |
| Voltage | 208–230V |
| Phase | Single Phase (1) |
| Cycle | 60 Hz |
| Installation Location | Inside Packaged Unit Air Handler |
| Control | Compatible with MRCOOL® Thermostats |
| Safety Features | Built-in Limit Switch for Overheat Protection |
| Warranty | 10 Years (parts & labor with MRCOOL® system) |
| ETL Listed | Yes |
Installation Notes
⚠️ Professional installation required.
This kit must be installed by a licensed HVAC technician to ensure proper operation, safe electrical connections, and compliance with local code. Only compatible with MRCOOL® Universal 4-ton and 5-ton packaged inverter systems.
Installation & Manuals
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