The Raypak 006733F Tube Bundle Heat Exchanger is a full OEM replacement assembly crafted for ASME cast iron heater models in the R265A/B, R266A, and R267A series. This bundle includes nine copper tubes, an ASME header, gasket, baffle kit, bolt kit, and stud boltseverything required to restore proper water flow, thermal transfer, and heater integrity. With heavy-duty components designed for thermal cycling, corrosion resistance, and high heat load, the 006733F ensures your heater operates safely and efficiently under demanding conditions. Highlights Complete OEM Heat Exchanger Kit: Includes all essential componentscopious copper tubes, baffle plates, bolts, stud kits and header gasketso you get a full replacement in one package. ASME Cast-Iron Header with Copper Tubing: Combines durable cast iron header with copper tubes for strong thermal conductivity and structural robustness needed in commercial-grade heater fireboxes. Designed for 265/266/267 Series Heaters: Engineered specifically for R265A/B, R266A, and R267A models, ensuring exact fit, alignment, and compatibility with sensors and plumbing. Optimal Dimensions for Performance: Measures approximately 17-1/8 (length) 5-1/2 (width) 3-1/2 (height) to match firebox specs, enabling effective heat exchange and minimizing spatial interference. Resists Corrosion and Thermal Stress: Built to endure harsh water chemistry and repeated heating/cooling cycles, helping prevent premature failures and leaks for longer heater life. Compatibility Raypak Heater Models: 265A, 265B, 266A, 267A Additional Info Need help with the Raypak 006733F Tube Bundle Heat Exchanger for 265/266/267 series heaters? This section covers installation basics, troubleshooting concerns, and in-store availability so you can restore your heaters performance. Installing the 006733F Heat Exchanger This kit includes copper tubes, an ASME header, gaskets, baffles, and hardware. Installation requires careful alignment inside the firebox and tightening bolts evenly to avoid leaks. How to install Raypak 006733F tube bundle on R266A heater Correct gasket placement for 006733F heat exchanger assembly Do you need new baffles when replacing with 006733F kit Step by step installation of 006733F on Raypak R267A Troubleshooting Heat Exchanger Issues Leaks, reduced heating, or sensor misalignment often indicate poor gasket sealing or corrosion at the tubes. These are common concerns after replacement. Why does Raypak 265B still leak after 006733F tube bundle install How to test copper tube integrity on new 006733F assembly Is heater efficiency reduced if 006733F isnt aligned correctly Can loose bolts cause leaks on 006733F tube bundle kit In-Store Availability and Fitment Help Bring your heater model number to confirm compatibility before purchasing. Store staff can verify fit with R265, R266, and R267 models. Buy in store Raypak 006733F tube bundle for 265A and 265B heaters Walk in and compare old tube bundle with new 006733F assembly Available locally 006733F heat exchanger kit for Raypak R267A Can counter staff confirm 006733F fitment before purchase Reviews There are no reviews yet. Be the first to review “006733F | Raypak Tube Bundle Heat Exchanger For 265-267” 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.