AquaCal STK0225 HP9 Controller Upgrade Kit

AquaCal STK0225 HP9 Controller Upgrade Kit

The AquaCal STK0225 HP9 Controller Upgrade Kit is a genuine OEM control system replacement kit designed to restore dependable operation in compatible AquaCal pool heat pumps using the HP9 control platform. This kit replaces aging or failed control electronics with updated HP9 components, resolving issues such as unresponsive displays, control faults, and inconsistent heating operation. Upgrading with the STK0225 helps extend the service life of existing heat pump equipment without the cost of full unit replacement. Designed for Super Quiet (3/2019+) and Tropical (7/2019+), it upgrades older units, offering easy installation for reliable control.

The HP9 controller platform provides stable system communication, accurate temperature regulation, and reliable safety monitoring. This upgrade kit includes the required control board, display panel, wiring harnesses, and mounting hardware for a clean, factory-correct installation. It is commonly used during service repairs or preventative upgrades on older AquaCal heat pump models.

Genuine OEM AquaCal Control Solution for Long-Term Reliability

The AquaCal STK0225 HP9 Controller Upgrade Kit is manufactured to AquaCal specifications to ensure proper electrical compatibility, secure connections, and dependable long-term performance in outdoor pool environments. Using a genuine OEM controller kit helps preserve manufacturer performance standards and avoids the risks associated with non-approved aftermarket electronics. Ideal for residential pool installations, this upgrade restores stable control and consistent heating performance.

Compatible Models

• T55
• T75
• T90
• T115
• T135
• SQ125
• SQ120R
• SQ145
• SQ166R
• SQ225