Raypak Copper Tube Bundle Heat Exchanger for ASME 406A/407A | 017977F

Raypak’s 017977F Copper Tube Bundle is a replacement heat exchanger assembly for 406A and 407A polymer-header ASME heaters. The kit comes complete with copper tubes, gaskets, internal baffles, and mounting hardware, allowing for a full swap without sourcing additional components. Manufactured to OEM-grade standards, this bundle restores proper heat exchange and water flow while protecting against scaling, corrosion, and loss of efficiency. It provides a reliable way to bring aging Raypak heaters back to safe and effective service.

Highlights

• Complete Assembly Included: Contains all copper tubes, seals, bolts, and internal components needed to replace the original tube bundle in one installation.

• OEM-Fit Replacement: Designed for Raypak ASME 406A and 407A heaters with polymer headers, ensuring proper alignment and compatibility with factory housings.

• Improves Energy Efficiency: Reestablishes efficient thermal transfer, reducing wasted heat and helping heaters deliver consistent temperature performance.

• Engineered for Longevity: Built from durable copper to resist corrosion and withstand repeated heating cycles, extending service life and reducing breakdowns.

• Straightforward Service: Drop-in design means the assembly fits existing firebox dimensions, simplifying installation and minimizing system downtime.

Compatibility

• Raypak ASME Heater Models: 406A and 407A

Additional Info

Ordering the Raypak 017977F Copper Tube Bundle online? This OEM heat exchanger kit fits 406A and 407A polymer-header heaters and includes all parts needed for a complete replacement. Below are details on function, reliability, and shipping options.

Complete Copper Tube Replacement Kit

The 017977F bundle restores your heater by supplying copper tubes, gaskets, bolts, and baffles. Ordering online ensures you receive a full OEM kit for a one-step repair.

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Designed for 406A and 407A Polymer-Header Heaters

This OEM assembly is specifically built for residential ASME units with polymer headers. It provides the correct alignment, sealing, and water flow paths required.

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Restoring Performance and Safety

Replacing the tube bundle improves thermal exchange, prevents leaks, and protects against overheating. It ensures the heater runs safely and efficiently.

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