Americas Best Selling Solar Controller by Goldline Controls. Goldlines GL-235 is the countrys leading automatic solar controller and is designed for easy, dependable operation.
The units microprocessor-based technology ensures reliable and accurate performance. Simply set the controls for the desired pool temperature and the unit will heat your pool whenever there is enough solar heat available.
The Goldline GL-235 solar controller can also be programmed to cool your pool on hot summer evenings and to protect against freezing.
Add Americas most reliable automatic solar controller to your solar system with Goldlines GL-235 Controller. Backed by a 5-Year Limited Warranty.