Raypak 335/R335A/R335B ASME Tube Bundle (006734F)

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Raypak 335/R335A/R335B ASME Tube Bundle is a replacement tube bundle for restoring the water passage through compatible Raypak heater assemblies. This item is intended for targeted repair work where matching the original part number and equipment series matters more than using a generic substitute. For best results, compare the part number 006734F, physical shape, connection points, and any model-specific notes against the component already installed on the heater or plumbing assembly.Tube bundles are central to heater performance, so proper matching by model, ASME or standard configuration, and header style is important before installation. During service, inspect nearby gaskets, fasteners, wiring, seals, brackets, or mating surfaces so the repair does not leave another worn component in place. This is especially important on older Raypak heaters, where heat, water chemistry, vibration, and corrosion can affect multiple parts around the same assembly. Replaces the tube bundle in the listed Raypak heater series Helps restore proper water flow through the heat exchanger area Match model number and bundle type before purchase Recommended for repair of worn, leaking, or obstructed heater internals Designed for service work where original dimensions must be retained Show more