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America's #1 best selling solar controller.

This controller is designed for easy installation, dependable operation and serviceability. The GL235 offers advanced operating features to provide differential temperature control, selectable high limit, programmable recirculation freeze protection, nocturnal cooling and optional booster pump control.

Features:

• Automatic heating control
• Automatic cooling control
• Single setting for desired temperature
• Terminal strip connectors
• LED status indicators
• Valve control output
• Freeze protection
• System test switch

The kit includes everything required to automatically control most pool heating systems. Includes the control unit, valve, actuator and sensors together in one box.