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The GC Valves KS711AF02N9FG9 Repair Kit is a field-ready solution for 2-way piloted piston valves used in high-demand HVAC and industrial fluid control applications
typically from the Watts 40 or 100 series
this natural gas pilot orifice ensures consistent flow regulation to the pilot burner assembly
preventing equipment stalling
Designed for reliable pressure monitoring and system safety
Sensus 139-16-021-01 Black Spring The GC Valves KS711AF02N9FG9 RepairThe Sensus 139 16 021 01 Black Spring is a critical calibration component engineered specifically for Sensus Model 143 gas service regulators. In field applications, this regulator adjustment spring provides the necessary tension to maintain a stable 2 6 PSI outlet pressure range, ensuring the diaphragm responds accurately to downstream demand. For technicians performing routine maintenance or pressure conversions, using the correct color coded spring