Jandy Refractory Replacement Kit, Internal

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The Jandy JXi Internal Refractory Replacement Kit (R0590500) is a replacement internal combustion refractory (ceramic fiber) kit for Jandy JXi pool and spa heaters. The refractory lines the combustion chamber to contain and direct heat from the burners. Replace when the refractory is cracked, crumbled, or damaged -- damaged refractory can reduce heating efficiency and cause uneven combustion. Professional installation required. Genuine Jandy replacement for JXi heater models.SKU: R0590500 Show more