Watts 0556050 Valve 321142-301 Always verify the orientation of

Always verify the orientation of the blower wheel blades before finalizing the installation

making it a critical HVAC replacement part for maintaining system safety and efficiency

Unlike generic hot surface igniters that fail under high thermal cycling

and necessary mounting hardware for a standard vertical or horizontal installation

Watts 0556050 Valve 321142-301 Always verify the orientation ofThe Watts 0556050 (Series LF4L) is a high performance 3 4 inch pressure relief valve specifically engineered for tankless water heaters and domestic storage tanks. Featuring a lead free copper silicon alloy body, this poppet type valve is designed to mitigate excessive pressure risks in residential and commercial plumbing systems. It arrives factory set at 150 psi and features a durable stainless steel spring and silicone disc to ensure a tight seal