017977F | Raypak ASME 406A/407A Copper Tube Bundle Heat Exchanger Pentair 190106Z Installation is simplified with oversized

Installation is simplified with oversized wiring space and a convenient terminal-strip setup—no wire nuts necessary

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Sold Individually – Use Four Per System: This cartridge is one of four required for full system operation in CCP420 and equivalent Waterway filters

It installs easily into compatible models

017977F | Raypak ASME 406A/407A Copper Tube Bundle Heat Exchanger Pentair 190106Z Installation is simplified with oversizedThe Raypak 017977F Copper Tube Bundle is a factory OEM heat exchanger kit for 406A and 407A Raypak heaters (models with polymer headers), intended for residential ASME units. It includes a full set of copper tubes, gaskets, hardware, and internal baffles required for a complete replacement. This bundle restores heat transfer efficiency, proper water routing, and sealing integrityespecially if your original tube bundle is aged, scaled, or compromised.