296663-002 | O-RING KIT (QTY 10) 1 1 1/4-2" | ASCO Product Type_Flue Duct for SC125-400 Key Features: - **Compatibility:** Specifically

296663 002 O RING KIT (QTY 10) 1 1 1 4 2" ASCO Product Type_Flue Duct for SC125 400 Key Features: **Compatibility:** Specifically Key Features: **Compatibility:** Specifically designed for use with Rinnai 431 556 heating units **Optimized Combustion:** Delivers precise airflow control for efficient and thorough combustion **Durable Construction:** Engineered with high quality materials to withstand industrial conditions **Reliable Performance:** Ensures consistent operation and minimizes downtime **Cost Effective:** Reduces maintenance costs and prolongs the lifespan of your heating unit Upgrade your Rinnai heating unit with the Blower Assembly Combustion and experience enhanced performance and efficiency Key Features: Precise Ignition Timing: The board accurately controls the timing of the ignition sequence