For Pentair IntelliChlor IC20 Salt Chlorine Generator Cell 520554 520555 Features: Wide Application – Suitable for pools with capacity up to 40,000 gallions. Powerful Function – This 520555 Salt Chlorine Generator Cell keeps itself clean with an automatic reverse cycling feature that helps prevent scale build-up to maximize cell life. The automatic shut-off feature protects the unit during low water temperatures and prolongs cell life. .
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