The RIBU1C-RD is UL listed for energy management (UL916) and fire signaling (UL864)

the AFS-460-137 is compatible with air and combustion by-products that do not degrade silicone

When diagnosing HVAC high limit trips

68 inches of water column to ensure the combustion blower is operating within safe margins

Carrier 48TJ400431 Inducer Housing 319852-301 The RIBU1C-RD is UL listedThe Carrier 48TJ400431 Inducer Housing is a critical OEM replacement component designed for high performance gas fired rooftop units. Engineered for precise fitment within the Carrier 48TJ series, this draft inducer blower housing manages combustion air flow and ensures the safe evacuation of flue gases. Use this heavy duty housing to resolve issues related to vent motor vibration, housing cracks, or airflow restrictions that trigger pressure switch