Beckett Igniter 21981U Gas Valve Refrigerant utilizing this specific Berko 3900

utilizing this specific Berko 3900 replacement part ensures that the original equipment manufacturer’s airflow curves and thermal protection standards are maintained without compromising the unit's mechanical lifespan or efficiency

Durable Construction: Heavy-duty alloy housing and high-quality internal seals prevent leaks and internal port-to-port bleeding

The remote bulb should be positioned in the area of highest air or fluid velocity to ensure accurate thermal transfer

3-way zone valve engineered for high-demand hydronic and low-pressure steam applications

Key Benefits High Flow Efficiency: Features a 13 Cv flow factor for rapid media displacement in high-capacity systems

Beckett Igniter 21981U Gas Valve Refrigerant utilizing this specific Berko 3900The Beckett 21981U Gas Valve is a critical component for high performance combustion systems requiring precise fuel modulation. This two stage gas valve operates with a 1 1 2 inch inlet outlet, engineered for heavy duty commercial and industrial heating applications. The unit is factory calibrated for a low fire setting of 1. 6 inches W. C. and a high fire setting of 3. 5 inches W. C., ensuring stable ignition and efficient fuel delivery across