As a critical component in combustion safety circuits

Common Questions: Is the 24L18 compatible with newer R410A systems

providing extensive reach for remote bulb sensing in air handling units

Clean the pilot burner before replacing the unit

ensuring reliable switching under varying HVACR loads

Johnson Controls P-3800-2 Controller Els PW 29614 As a critical component inThe 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