Description
Bell & Gossett 117104LF Circuit Setter — 1-1/2″ NPT Hydronic Balancing Valve
The Bell & Gossett 117104LF Circuit Setter is a precision-engineered hydronic balancing valve designed to deliver accurate flow control and system balance in hot water heating and chilled water cooling systems. Built with a lead free brass body and a durable 304 stainless steel ball, this circuit setter meets the demands of commercial and industrial hydronic applications while complying with lead-free material standards.
Key Features
- 1-1/2″ NPT end connections for straightforward installation into standard piping systems
- 400 Psig maximum working pressure rating for high-pressure hydronic applications
- Lead free brass body construction — compliant with lead-free requirements for potable and hydronic systems
- 304 stainless steel ball for superior corrosion resistance and long service life
- Precision calibrated design enables accurate flow measurement and balancing
- Integral memory stop allows the valve to be closed for service and returned to the exact set position
- Dual readout ports for differential pressure measurement across the valve
Product Specifications
- SKU: 117104LF
- Brand: Bell & Gossett
- Connection Size: 1-1/2″ NPT
- Maximum Working Pressure: 400 Psig
- Body Material: Lead Free Brass
- Ball Material: 304 Stainless Steel
Application
The Bell & Gossett 117104LF Circuit Setter is ideal for use in hydronic heating and cooling systems where precise flow balancing is essential. It is commonly installed in commercial buildings, institutional facilities, and industrial plants to ensure each circuit in a hydronic system receives the correct design flow rate, improving system efficiency and occupant comfort.
Why Choose Bell & Gossett Circuit Setters?
Bell & Gossett has been a trusted name in hydronic system components for decades. Their circuit setters are engineered to simplify system commissioning, reduce energy consumption, and extend equipment life by ensuring balanced flow throughout the system. The lead-free construction of the 117104LF makes it a responsible choice for modern installations.







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