The Raypak indoor stack kit is designed for compatible 406A and 407A heater applications where the supported venting setup for an indoor installation needs replacement or completion. A stack kit is useful because it helps create the intended connection between the heater and the indoor vent path, supporting cleaner exhaust handling and proper fit.This replacement is especially useful when the original venting components are incomplete, damaged, or no longer dependable. Using the correct indoor stack kit helps preserve intended compatibility and supports a cleaner installation or repair.The 009841 is a practical service solution when a compatible Raypak heater needs an indoor stack kit to restore dependable vent-connection support. Raypak indoor stack kit Designed for compatible 406A and 407A indoor venting applications Helps restore proper vent transition support Useful when the original stack components are damaged or missing Supports cleaner and more dependable heater service
![Raypak 406A/407A [9"]Indoor Stack Kit (009841)](https://cdn.shopify.com/s/files/1/0574/4014/1354/products/009841.jpg?v=1769976139&width=480)
