The Raypak 006707F Return Header is an OEM replacement part engineered for RP2100-series pool & spa heatersincluding models 206A, 266A, 336A, 406A and their Low-NOx/Versa II / Millivolt variants. Crafted from durable polymer (Capron) with a gasket, this header assembly seals the return side of the heat exchanger, preventing leaks and securing proper flow. When the return header becomes cracked, warped, or its sealing surfaces compromised, heater efficiency and safety can suffer. Replacing it restores factory-tight sealing, correct sensor alignment, and reliable heater operation under load. Highlights OEM-Grade Compatibility Heaters: Fits Raypak models 206A/266A/336A/406A, ensuring exact form and fit. Polymer Header with Gasket Kit Included: Comes in durable Capron polymer construction complete with matching gasket to achieve a reliable seal and reduce leaks. Maintains Heater Flow & Safety Sensor Alignment: Essential for ensuring proper water flow through the heat exchanger and correct positioning of sensors critical to heater safety mechanisms. Resilient to Heat, Chemicals & Thermal Cycling: Built to resist damage from high temperatures, pool water chemistry and repeated heating/cooling cycles for long service life. Restore Heater Integrity & Efficiency: When failing headers cause leaks or performance loss, installation of this genuine return header helps restore operating efficiency, prevent energy loss, and support warranty compliance. Compatibility Raypak Digital Heater Models: 206A, 266A, 336A, 406A Additional Info Need help with the Raypak 006707F Return Header for RP2100 heaters? This section covers installation guidance, troubleshooting questions, and in-store availability so you can restore heater flow and efficiency. Installing the 006707F Header This polymer header seals the return side of the heat exchanger. Installation requires removing the old header, aligning the gasket, and tightening bolts evenly for a secure seal. How to install Raypak 006707F return header on 266A heater Correct gasket placement for 006707F return header assembly Do you need sealant when installing 006707F on Raypak 336A Step by step replacement of return header 006707F on 406A model Troubleshooting Heater Leaks and Flow Issues Leaks or poor circulation after replacement may point to misaligned gaskets, cracked housings, or incorrect bolt torque. These questions reflect common customer issues. Why does Raypak 206A still leak after 006707F return header install How to test water flow through 006707F header on RP2100 heater Can loose bolts cause leaks on new 006707F header kit Heater sensor not seating properly after 006707F replacement In-Store Availability and Fit Check Bring your heater model number to the counter for confirmation. Store staff can check compatibility with Raypak 206A406A heaters before you buy. Buy in store Raypak 006707F return header for 266A and 336A models Walk in and compare old return header with new 006707F part Available locally 006707F replacement header for Raypak RP2100 heater Can counter staff confirm 006707F fit for my Raypak Low-NOx heater Reviews There are no reviews yet. Be the first to review “006707F | Raypak 206A-406A Heater Return Header” Cancel replyYour email address will not be published. Required fields are marked *Your rating * Rate… Perfect Good Average Not that bad Very poor Your review *Name * Email * Save my name, email, and website in this browser for the next time I comment.