504sb Check Valve, 1-1/4 In. Fpt, 400 Psi

The Simmons 504SB Check Valve is a lead-free silicon bronze valve designed to prevent backflow in plumbing systems, ensuring water flows in one direction only. This 1-1/4 inch FPT valve is built for reliability in residential, commercial, and irrigation applications where dependable performance is essential.

Constructed from silicon bronze with a cast body and poppet containing less than 0.05% lead, this valve delivers a safe choice for drinking water systems and provides peace of mind for homeowners and businesses. The robust 400 PSI working pressure rating handles common residential and light commercial plumbing demands without leaks or failures.

Features and Benefits

• Lead-Free Silicon Bronze Construction: The body and poppet contain less than 0.05% lead, making it suitable for potable water systems and compliant with health and safety standards.
• High-Pressure Rating: Engineered for 400 PSI working pressure to prevent leaks and ensure reliable performance in residential and commercial plumbing applications.
• Complete Internal Assembly: Furnished with a Buna-N O-ring for enhanced sealing, stainless steel spring, washer, and locknut—all components included for immediate installation.
• Maximum Temperature Rating of 210°F: Designed with a temperature rating of 210°F for use in various plumbing conditions.
• Standard 1-1/4 Inch FPT Connection: Matches common residential and commercial pipe sizes for easy integration into existing systems.

Specifications

• Brand: Simmons
• Model: 504SB
• Size: 1-1/4 inch FPT (Female Pipe Thread)
• Material: Silicon bronze body and poppet
• Lead Content: Less than 0.05%
• Working Pressure: 400 PSI
• Maximum Temperature Rating: 210°F
• Included Components: Buna-N O-ring, stainless steel spring, washer, locknut