{"product_id":"pentairmanifoldinternals400k777070209","title":"Pentair | 77707-0209 | Manifold Internals Kit | For 400K BTU Pool and Spa Heater","description":"\u003cp data-start=\"148\" data-end=\"548\"\u003ePentair 77707-0209 is a manifold internals kit designed for compatible 400K BTU pool and spa heater systems. This replacement service part is used to restore internal manifold-related components that support proper water flow and heater operation. It is suitable for repair and maintenance work involving worn, damaged, scaled, or failed manifold internal components in existing heater installations.\u003c\/p\u003e\n\u003cp data-start=\"550\" data-end=\"590\"\u003e────────────────────────────────────────\u003c\/p\u003e\n\u003cp data-start=\"592\" data-end=\"604\"\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"606\" data-end=\"1616\"\u003e• Pentair 77707-0209 is a replacement manifold internals kit designed for compatible 400K BTU pool and spa heater systems.\u003cbr data-start=\"728\" data-end=\"731\"\u003e• This kit is used to service internal manifold components that contribute to proper heater operation and water flow control.\u003cbr data-start=\"856\" data-end=\"859\"\u003e• Replacing worn or damaged manifold internals can help restore dependable internal circulation and overall heater assembly condition.\u003cbr data-start=\"993\" data-end=\"996\"\u003e• The kit format is suitable for targeted service work without replacing the complete heater or larger manifold sections.\u003cbr data-start=\"1117\" data-end=\"1120\"\u003e• This part is commonly used in pool and spa heater maintenance, repair, and refurbishment applications.\u003cbr data-start=\"1224\" data-end=\"1227\"\u003e• Proper condition of internal manifold components is important for preserving heater performance and long-term serviceability.\u003cbr data-start=\"1354\" data-end=\"1357\"\u003e• It is commonly installed during heater rebuilds, troubleshooting, and scheduled service of existing compatible units.\u003cbr data-start=\"1476\" data-end=\"1479\"\u003e• This replacement kit helps support continued operation of compatible Pentair gas heater systems by restoring critical internal parts.\u003c\/p\u003e\n\u003cp data-start=\"1618\" data-end=\"1658\"\u003e────────────────────────────────────────\u003c\/p\u003e\n\u003cp data-start=\"1660\" data-end=\"1676\"\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"1678\" data-end=\"2136\"\u003eThe Pentair 77707-0209 Manifold Internals Kit is a replacement service part used in compatible 400K BTU pool and spa heater systems. Inside the heater assembly, manifold internals play an important role in maintaining proper flow conditions and supporting the overall function of the unit. When these internal components become worn, scaled, damaged, or otherwise compromised, replacing them can help restore the manifold section to proper working condition.\u003c\/p\u003e\n\u003cp data-start=\"2138\" data-end=\"2655\"\u003eThis kit is well suited for maintenance professionals, repair technicians, and equipment owners performing targeted service on existing heater systems. Rather than replacing a larger assembly, the correct manifold internals kit allows focused repair of the components that directly affect heater operation and serviceability. For compatible Pentair 400K BTU heaters, this replacement part helps preserve dependable performance, support ongoing maintenance needs, and extend the usable life of the installed equipment.\u003c\/p\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":48995034005816,"sku":"77707-0209","price":119.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0808\/6319\/9544\/files\/PEN777070209_0.jpg?v=1777917514","url":"https:\/\/appaetechpoolsupply.com\/products\/pentairmanifoldinternals400k777070209","provider":"AppaeTech Pool Supply","version":"1.0","type":"link"}