![Balboa Circuit Board - Balboa BP501G3 Systems [No Circ] (G1353) aquaflo The Raypak heat exchanger header](https://cdn.shopify.com/s/files/1/1751/9347/files/59-138-3144_XL.jpg?v=1718049925)
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The Raypak heat exchanger header gasket is designed for compatible Hi Delta 302B through 902B heater applications where the supported header sealing point needs a fresh gasket
Designed to match specific remote heater plumbing arrangements
Matching the correct drain valve helps preserve intended fit and supports cleaner heater service
Useful when original grids are torn or worn
Balboa Circuit Board - Balboa BP501G3 Systems [No Circ] (G1353) aquaflo The Raypak heat exchanger headerNot every BP501G3 setup is configured the same way, and that is exactly why application specific boards matter. This version is designed for compatible BP501G3 systems without circulation pump support, making it the right choice when the spas original configuration needs to be preserved instead of approximated. When a board begins to fail, the symptoms often feel unrelated at first. Pumps may respond oddly, heating can become erratic, or the whole spa