Skip to content

Hayward Solar Auto Controller - GL-235

by Hayward
in stock, ready to be shipped
Save 32% Save 32%
Original price $349.99
Original price $349.99 - Original price $349.99
Original price $349.99
Current price $239.40
$239.40 - $239.40
Current price $239.40

Questions? Contact a Pool Professional Now!

Chat with us | Text us | Email us

Product Description

Hayward Solar Auto Controller - GL-235 is the country's leading automatic solar controller and is designed for easy dependable operation. The unit's 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. 


  • Automatically maximizes solar heat collection by actuating a 24V valve when there is solar heat available
  • LED indicators show status of system operations
  • Automatic switching (selectable) from solar pool heating to nocturnal pool cooling
  • Single-setting adjustment for desired pool/spa temperature
  • Recirculation freeze protection
  • Installer-programmable features for any-system adaptability
  • Quick, accurate, easy-to-set desired temperature controls
  • Easy to read, understand and operate
  • Two sensors required (thermistor, 10Kohm at 25C/77 Deg F) sold separately


  • Application: For pool or spa heating and cooling
  • HP: 1
  • Standards Approvals: cETLus Approved
  • Voltage Rating: 115 VAC or 240 VAC Input, 12/24 VAC and 120/240 VAC Output