Johnson Controls P-3800-2 Controller Refrigerant 0 Cv rating provides stable

0 Cv rating provides stable modulating performance for balanced hydronic distribution

or the burners shutting down immediately after a brief flame light-off

A 440V capacitor is more durable and handles heat better than a 370V unit

such as debris or bird nests in the flue

Johnson Controls P-3800-2 Controller Refrigerant 0 Cv rating provides stableThe Johnson Controls P 3800 2 is a professional grade Reset Volume Controller engineered for precise airflow regulation in Variable Air Volume (VAV) systems. Designed as a pressure independent submaster device, it maintains accurate volume control between adjustable minimum and maximum setpoints in response to a thermostat or master controller signal. This unit supports a 13 25 PSIG supply pressure range and operates with a primary input capacity to