Description
The Bell & Gossett 117412LF Circuit Setter Plus is a precision-engineered calibrated balance valve designed for hydronic heating and cooling systems where accurate flow balancing is essential. Built to meet the demands of professional HVAC contractors and mechanical engineers, this valve delivers reliable, repeatable performance in a compact, lead-free design.
Product Overview
The Circuit Setter Plus is a calibrated balance valve that allows technicians to set, measure, and verify flow rates in hydronic circuits without the need for additional instrumentation. The 117412LF model features a 1/2″ sweat (solder) end connection, making it straightforward to integrate into copper piping systems. Its lead-free construction ensures compliance with NSF/ANSI 61 and applicable Safe Drinking Water Act requirements, making it suitable for potable water and hydronic applications alike.
Key Features
- Calibrated balance valve for precise hydronic circuit flow balancing
- 1/2″ sweat (solder) end connections for easy copper pipe integration
- Lead-free brass body construction — compliant with lead-free regulations
- 304 stainless steel ball for superior corrosion resistance and long service life
- 250°F (121°C) maximum operating temperature for high-temperature hydronic systems
- Model RF-3/4S LF designation for easy identification and specification
- Memory stop feature allows the valve to be closed for system service and returned to the exact set position
- Integral readout ports for direct flow measurement without system shutdown
Construction & Materials
- Body: Lead-free brass
- Ball: 304 stainless steel
- End Connection: 1/2″ sweat (solder)
- Maximum Operating Temperature: 250°F
Applications
- Hydronic heating and chilled water systems
- Fan coil unit circuits
- Terminal unit balancing
- Commercial and residential HVAC hydronic loops
- Systems requiring NSF/lead-free compliant components
Why Choose the Bell & Gossett Circuit Setter Plus?
Bell & Gossett is a trusted name in hydronic system components, and the Circuit Setter Plus line is a staple of professional hydronic balancing. The lead-free brass body and 304 stainless steel ball ensure durability and code compliance, while the calibrated design simplifies commissioning and ongoing system maintenance. The 117412LF is an ideal choice for contractors and engineers who demand accuracy and reliability in every hydronic circuit.
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