Weil-McLain®, 383-700-160, Venturi Assembly

Weil-McLain 383-700-160 Gas Valve Venturi Assembly for ECO 110 Boilers

The Weil-McLain 383-700-160 Gas Valve Venturi Assembly is an OEM component designed for use with Weil-McLain ECO 110 high-efficiency condensing boiler systems. This assembly maintains proper gas-air mixture for combustion by integrating the gas valve with a calibrated venturi throat, ensuring reliable burner performance and safe operation.

This replacement assembly includes all necessary components for servicing the gas control section of the unit, including mounting hardware and seals. Use is recommended during scheduled maintenance or when component replacement is required due to wear, damage, or performance deviation.

Included Components

• Gas Valve
• Venturi (040)
• Gasket
• O-ring
• Clip
• Screws

Product Application

• Boiler Compatibility: Weil-McLain ECO 110
• Function: Regulates gas flow and air mixing for controlled combustion
• Installation Type: Field service replacement part

Installation Requirements

Installation must be performed by licensed HVAC professionals familiar with gas-fired condensing boilers. Combustion calibration and leak testing must be conducted following installation. Follow all procedures outlined in the ECO 110 installation and service manual to ensure proper function and regulatory compliance.

Contractor Notes

This kit is a direct replacement for original venturi-gas valve assemblies in ECO 110 systems. It includes all mounting and sealing components required for a full reinstallation. Ensure that the combustion system is re-tuned and verified after the valve is replaced to maintain system efficiency and code compliance.

Technical Specifications

• Part Number: 383-700-160
• Component Type: Gas valve and venturi assembly
• System Voltage: 24V control circuit (verify boiler specs)
• Intended Use: Weil-McLain ECO 110 boilers