Pentair 77707-0233 Tubesheet and Coil Kit - 333K Pool

What 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 management.

Key Features and Specifications

• Manufacturer part number 77707-0233
• Tubesheet and Coil Kit
• Compatible with 333K Pool heater models
• Replacement heat exchanger assembly
• Supports heat transfer efficiency

Installation and Fitment Guidance
Shut off gas and power before servicing the heater. Confirm by manufacturer part number before ordering. Follow model-specific heater service guidelines.

About the Pentair Brand
Pentair heaters are widely used in residential and commercial pool applications. Their serviceable internal assemblies allow long-term maintenance. Pentair replacement components are engineered for compatibility. Genuine Pentair parts help maintain reliable heating.

Common Service Context
Common when repairing heater leaks or restoring heating capacity.