Johnson Controls VG7441ST Valve 318423-701 or loud chattering noises

or loud chattering noises

Integrating this OEM boiler pressure switch into your maintenance routine prevents intermittent "Pressure Switch Failed to Close" error codes and protects the heat exchanger from poor combustion conditions

Always cross-reference your pump's model number

the Nordyne 902985 Blower Assembly is a reliable choice to keep your HVAC system running efficiently

Johnson Controls VG7441ST Valve 318423-701 or loud chattering noisesThe Johnson Controls VG7441ST Valve is a 2 inch normally closed globe valve engineered for precision control of hot water, chilled water, and steam in demanding commercial HVAC systems. This 2 way NPT control valve features a rugged cast bronze body and brass trim, providing long term durability and resistance to scaling. With a 46. 2 Cv flow coefficient and an equal percentage flow characteristic, it ensures high rangeability and accurate modulation