The Raypak stack adapter is designed for compatible 266A and 267A heater applications where the supported vent transition component needs replacement. A stack adapter is useful because it helps connect the heater to the intended vent path, supporting cleaner exhaust handling and more accurate assembly fit.This replacement is especially useful when the original adapter is damaged, corroded, or no longer dependable. Matching the correct stack adapter helps preserve intended fit and supports cleaner vent-related service results.The 010331F is a practical service part when a compatible Raypak heater needs a stack adapter to restore dependable vent-connection support. Raypak stack adapter Designed for compatible 266A and 267A venting applications Helps restore proper vent transition support Useful when the original adapter is damaged or corroded Supports cleaner and more dependable heater service
