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Enhanced Safety Logic: Precisely monitors air draft to prevent combustion cycles during venting failures or blocked flue conditions
the 5651-103BX is the current manufacturer-designated replacement for the 5651-103
preventing flue gas condensation and reducing tar fouling on heat exchanger surfaces
this unit requires a minimum pressure differential of 5 PSI to lift the diaphragm and ensure proper operation
The A-4000-120 is rated for a maximum line pressure of 125 PSIG
Johnson Controls VG1245FSH958BAA Valve 319825-402 Enhanced Safety Logic: Precisely monitorsFor high demand HVAC mechanical rooms, the Johnson Controls VG1245FSH958BAA offers a robust solution for automated fluid control. This 2 inch 2 way normally closed ball valve assembly is engineered with a forged brass body and 300 series stainless steel trim, ensuring longevity when handling chilled water, hot water, or 15 psig saturated steam. The spring return electric actuator provides a reliable fail safe position, while the 120Vac power supply
