{"product_id":"pentair-77707-0209-manifold-internals-400k","title":"Pentair 77707-0209 Manifold Internals - 400K","description":"\u003cp\u003e\u003cstrong\u003eWhat This Part Is Used For\u003c\/strong\u003e\u003cbr\u003e The Pentair 77707-0209 Manifold Internals are used inside compatible 400K BTU Pentair heater systems. These components manage internal water flow and distribution within the manifold assembly. \u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy This Part Matters\u003c\/strong\u003e\u003cbr\u003e Worn internal components can lead to leaks, pressure switch issues, or uneven heating. Proper manifold internals help maintain efficient heater performance. Replacing damaged parts restores reliable circulation through the heat exchanger. \u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features and Specifications\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eManufacturer part number: 77707-0209\u003c\/li\u003e\n\u003cli\u003eManifold internal components\u003c\/li\u003e\n\u003cli\u003eFor 400K compatible Pentair heater models\u003c\/li\u003e\n\u003cli\u003eSupports internal water flow management\u003c\/li\u003e\n\u003cli\u003eReplacement assembly components\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eInstallation and Fitment Guidance\u003c\/strong\u003e\u003cbr\u003e Disconnect power and allow heater to cool before servicing. Inspect manifold housing and seals during installation. Confirm by manufacturer part number before ordering. \u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAbout the Pentair Brand\u003c\/strong\u003e\u003cbr\u003e Pentair heater systems are common in both residential and commercial pools. The brand supports long-term maintenance with OEM replacement parts. Pentair equipment is frequently specified by professional installers. Their heaters are built for dependable performance when properly maintained. \u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCommon Service Context\u003c\/strong\u003e\u003cbr\u003e Typically replaced during heater rebuilds or when leaks develop at the manifold. Often installed after freeze damage or pressure-related faults. \u003c\/p\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":52078620279058,"sku":"77707-0209","price":109.26,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/2279\/1186\/files\/PEN777070209_0.jpg?v=1772563234","url":"https:\/\/www.aquaterrabackyard.com\/products\/pentair-77707-0209-manifold-internals-400k","provider":"Aqua Terra Backyard","version":"1.0","type":"link"}