Pentair Tubesheet/Coil Kit Copper-Nickel 333K | 77707-0243 Pentair IntelliChlor IC40 Cell P&A If you're upgrading to a

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

leading to reduced performance or damage

Designed for WhisperFlo and IntelliFlo pumps

Drain the heater to prevent water damage during replacement

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

Pentair Tubesheet/Coil Kit Copper-Nickel 333K | 77707-0243 Pentair IntelliChlor IC40 Cell P&A If you're upgrading to aPentair 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.