Hayward GL-235 Goldline Pool/Spa Solar Temperature Controller
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<b>[Product Information]</b><br>
<ul>
<li>Automatically maximizes solar heat collection</li>
<li>Precise, easy-to-read, calibrated temperature setting</li>
<li>Electronics in UV-protected locking weatherproof enclosure</li>
<li>LED indicators show status of system operations</li>
<li>Automatic switching (selectable) from solar pool heating to nocturnal pool cooling</li>
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