Raypak Tube Bundle Assembly, Cupro Nickel, Fits 336/337, 010366F
010366F Raypak Tube Bundle, Cupro Nickel Heat Exchanger For 266/267 Btu Raypak Digital Atmospheric 266A Heaters and 267A Low Nox heaters, made after 2004, with Polymer Headers (not polymer). Cupro-Nickel Heat Exchangers Resist Corrosion Better Than Copper. Includes Red Header Gaskets (2) and Header Bolts and Nuts (24) and Baffles (8). Front and rear headers not included, sold separately. 010361F Can also be found on Raypak Parts Pages. Raypak recommends inspecting bypass assembly and replacing Unitherm Governor at the same time as a Tube Bundle replacement.