Tjernlund Products 950-8470 Fan Prover Kit Refrigerant Enhanced Comfort: Provides stable air

Enhanced Comfort: Provides stable air pressure and consistent temperature control across all ductwork

Every Browning B103 is part of the "Code 1" match system

OEM Compatibility: Guaranteed fit for Lochinvar Knight XL and A

J-Box compatible for code-compliant mounting

Tjernlund Products 950-8470 Fan Prover Kit Refrigerant Enhanced Comfort: Provides stable airEnsure reliable combustion safety and draft performance with the Tjernlund Products 950 8470 Fan Prover Kit. Specifically engineered for RT750 and RT1500 Rooftop Draft Inducers, this kit is the industry standard for verifying adequate airflow before allowing the burner to fire. As a veteran grade HVAC pressure switch replacement, it monitors the static pressure within the venting system to prevent hazardous conditions such as carbon monoxide spillage