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Natural Gas Optimization: Factory-set at 3
V-Fast is Fenwal's most sensitive response rating
the 150 CFM forced-air circulation provided by the blower will be disabled until power is restored
Quick Diagnostics: Integrated test mode shortens cycle times for immediate on-site troubleshooting
it is calibrated with a 150°F fixed open temperature to interrupt the burner circuit during an over-temperature condition and a 110°F fixed close temperature for an auto reset function once the heat exchanger cools to safe operating levels
Johnson Controls VG1241BN Ball Valve 320734-701 Natural Gas Optimization: Factory-set atThe Johnson Controls VG1241BN Ball Valve is a 3 4 inch NPT two way control valve engineered for precision regulation in closed loop HVAC systems. Built with a forged brass body and brass trim, this unit offers a static pressure rating of 580 psig and features an 11. 7 Cv flow coefficient. Designed specifically for chilled and hot water applications, it utilizes a graphite reinforced PTFE seat to ensure a leak free seal across a fluid temperature range