406A/407A Copper ASME Tube Bundle

This copper tube bundle assembly replaces the heat exchanger core in Raypak 406A and 407A gas heaters built after December 2019, ASME rated for pool and spa use.

Key Features

• Copper construction
• ASME rated
• Built for post-12/2019 production

Compatibility

• Raypak 406A
• Raypak 407A
• Does not fit earlier units or those with polymer headers, which use different part numbers

Several other 406A/407A tube bundles exist with different headers or alloys (010062F copper/polymer, 010058F low-NOx copper, 010367F polymer/cupro-nickel), and these are not interchangeable with 017977F.