Tjernlund 950-0474 Combustion Air Intake Fan Prover Kit

Combustion Air Intake Fan Prover Kit from Tjernlund (model 950-0474) provides precise airflow verification for combustion air systems. Designed for use on PAI-4 Combustion Air Intake Equipment, this prover kit streamlines installation, testing, and maintenance, delivering reliable performance in demanding field environments. Built to withstand industrial settings, it ensures repeatable results technicians can trust during commissioning and service checks. The compact, purpose-built design fits standard test applications without disrupting ductwork.

This fan prover kit is built to support accurate checks of air supply and system balance, helping technicians confirm safe, efficient operation across commercial and industrial HVAC applications. When paired with the PAI-4 setup, it provides a dependable airflow verification tool for commissioning, diagnostics, and routine service. Use with standard gauges and meters to document airflow levels and ensure compliance.

• Compatibility: PAI-4 combustion air intake equipment
• Type: Fan Prover Kit
• Brand/Model: Tjernlund 950-0474
• Purpose: Airflow verification and system balance
• Applications: Commissioning, diagnostics, and routine maintenance