Pentair Tubesheet/Coil Kit Copper-Nickel 333K | 77707-0243 Pentair IntelliChlor IC40 Cell P&A Drain the heater to prevent

Drain the heater to prevent water damage during replacement

If you're upgrading to a premium filter that reduces service time without sacrificing clarity

Durable Construction – Made with high-quality materials for longevity

Always follow the manufacturer's instructions and safety guidelines during installation

The hose filter was built to filter any dirt and debris coming from your filtration system via the return line and booster pump

Pentair Tubesheet/Coil Kit Copper-Nickel 333K | 77707-0243 Pentair IntelliChlor IC40 Cell P&A Drain the heater to preventPentair Tubesheet Coil Kit Copper Nickel 333K 77707 0243 The Pentair Tubesheet Coil Kit (77707 0243) is a premium replacement component designed for 333,000 BTU Pentair pool heaters. Constructed with durable copper nickel material, this heat exchanger offers superior resistance to corrosion, making it ideal for pools with saltwater or harsh chemical conditions. It ensures efficient heat transfer while extending the lifespan of your heating system.