Watts Sb1156f Water Feed Regulator, 1/2 In., Bronze, 10-25 Psi

The Watts SB1156F is a high-capacity water feed pressure regulator designed for both commercial and residential hydronic heating systems. This component fills your boiler and piping system with water while maintaining consistent pressure levels, and supplies make-up water to compensate for any system leaks.

Hydronic heating systems require proper water pressure to operate reliably. The SB1156F keeps pressure balanced in the 10–25 psi operating range, ideal for most residential and commercial heating applications. Its precision engineering and durable construction provide the dependable performance needed in boiler feed lines.

Features and Benefits

• 1/2 Inch Connections: Union solder inlet and NPT threaded outlet connections simplify hookup to boiler and distribution lines.
• Check Valve: Prevents backflow to protect system integrity.
• Manual Purge Lever: Enables easy maintenance and purging of the system.
• Stainless Steel Strainer: Integrated filtration protects boiler components from debris and sediment.
• High-Capacity Performance: Engineered for both residential and commercial heating systems with a maximum pressure rating of 100 psi.
• Simplified Servicing Design: Designed for straightforward maintenance.
• Bronze Body: Durable construction for long-term use.

Specifications

• Brand: Watts
• Model: SB1156F
• Connection Size: 1/2 inch
• Inlet: Union solder
• Outlet: NPT threaded
• Pressure Range: 10 to 25 psi
• Maximum Pressure: 100 psi
• Body Material: Bronze
• Features: Check valve, manual purge lever, stainless steel strainer