MRCOOL ProDirect Series 20kW Heat Kit (PHK20H) – Efficient Electric Heat Kit for ProDirect Systems

When additional heating support is needed during colder conditions, this unit delivers dependable performance and steady comfort. The PHK20H integrates into compatible setups to help maintain consistent indoor temperatures without placing extra load on the primary HVAC system.

This unit operates as an auxiliary electric heater, providing added heat output when system demand increases.The MRCOOL ProDirect Air Handler Heat Kit 20kW is designed to enhance heating performance in colder environments intended for use with ProDirect Series air handlers. Designed for 240V operation, it helps maintain balanced system efficiency while working within defined electrical requirements and system limits.

Its compact, UL-listed construction is designed to ensure safe operation while fitting efficiently within compatible system configurations. With a 240V power requirement and specified electrical parameters, PHK20H supports reliable performance and straightforward integration, making it a practical component for enhancing heating capacity when needed.

A homeowner reported, “My installer suggested adding this heat kit since our winters get pretty cold. After it was installed, the system didn't struggle as much to keep the house warm, especially at night. It just feels more stable now.”

This reflects how the unit helps improve system consistency during colder periods by supporting the main heating system when demand increases. It shows how it works in the background to maintain more stable indoor comfort without requiring constant adjustments.

Overall, this heat kit provides reliable supplemental heating, helping systems handle colder conditions more effectively while maintaining consistent indoor comfort.

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