The Raypak 017981F is a cupro nickel heat exchanger tube bundle designed for compatible Raypak 406A and 407A pool and spa heater models. This replacement tube bundle is used during heat exchanger service to help restore proper water flow and heat transfer performance.

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Key Features

• Genuine Raypak replacement heat exchanger tube bundle for compatible 406A and 407A heater models

• Cupro nickel construction provides enhanced resistance for demanding pool and spa water applications

• Designed to support proper heat transfer between the combustion system and circulating pool or spa water

• Used during heat exchanger repair, replacement, or major heater service procedures

• Helps restore proper hydraulic flow through the heater when the original tube bundle is damaged or worn

• Suitable for professional pool heater service, maintenance, and repair applications

• Direct replacement component for Raypak part number 017981F

• Intended for use only with verified compatible Raypak heater models and configurations

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Product Overview

The Raypak 017981F Cupro Nickel Heat Exchanger Tube Bundle is a replacement internal heat exchanger component for compatible Raypak 406A and 407A pool and spa heaters. The tube bundle is responsible for transferring heat to the circulating water while maintaining separation between the water path and combustion system.

This component is typically replaced when the original heat exchanger tube bundle is leaking, corroded, scaled, or otherwise damaged. Its cupro nickel construction makes it suitable for demanding pool and spa environments where proper water chemistry and system maintenance are important. Always verify the exact heater model, fuel type, exchanger configuration, and part number before installation.