43003 - Valve Fusible Firomatic Outer Diameter (OD): 3/8"

Outer Diameter (OD): 3/8"

Applications: Water control

MODELS: PG

C&D CD3525

including those from Riello and other major burner brands

43003 - Valve Fusible Firomatic Outer Diameter (OD): 3/8"The 43003 Crown FIROMATIC Fusible Valve is a safety device, typically used in oil heating systems. Function: It's a fusible safety shut off valve designed to automatically close when exposed to high temperatures (usually around 165F or 200F), helping prevent fires by stopping the flow of oil. Application: Commonly installed in fuel oil lines for residential and commercial heating systems. Material: Usually made of brass for durability and corrosion