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Typically replaced after freeze damage
Designed for precise airflow control
A damaged or clogged impeller reduces flow
It allows quick attachment and removal of the cleaner
and cleanup in outdoor kitchens
Pentair Tubesheet and Coil Kit, for 333K Pool Heater | 77707-0233 Fire Pit Stone Bases Typically replaced after freeze damageWhat This Part Is Used For Pentair 77707 0233 Tubesheet and Coil Kit 333K Pool is a replacement heat exchanger kit for compatible 333K BTU Pentair pool heaters. It transfers combustion heat to circulating pool water. Why This Part Matters A deteriorated heat exchanger can cause leaks or insufficient heating. Replacing the kit restores proper thermal performance and safe operation. Reliable heat transfer supports consistent water temperature