Laars 2400-548 Negative Pressure Gas Valve Honeywell VK8115V1069

The Laars 2400-548 is a genuine OEM negative pressure gas valve featuring Honeywell VK8115V1069 control technology. This combination gas valve is designed specifically for Laars residential and commercial boiler systems, providing reliable gas flow control and safety shutoff functionality.

Key Features:

• Honeywell VK8115V1069 negative pressure gas valve assembly
• Compatible with both natural gas and LP installations when properly adjusted
• 24-volt operation for standard HVAC control systems
• Direct replacement for Laars Endurance EBP, EDN, and EDP boilers (sizes 110-175)
• Also fits commercial Summit SMB and SMW models (sizes 200 and 250)
• Works with both new style and old style Endurance boiler configurations

This gas valve requires proper setup using a dual manometer and electronic combustion analyzer to adjust air and gas mixtures for optimal performance and safety. The negative pressure design ensures safe operation in sealed combustion applications common in modern high-efficiency boilers.