Viessmann 7439313 Gas Valve Venturi Assembly 120V for Vitodens Boilers

The Viessmann 7439313 is a replacement gas valve and venturi assembly designed for Vitodens 100-W WB1B (26/35) and WB1Bc (26/35) series residential wall-mounted gas condensing boilers. This critical component combines the gas control valve with an integrated venturi assembly to regulate natural gas or LP gas flow to the burner, operating on 120-volt power.

Key Features:

• 3/4-inch gas valve and venturi assembly combination unit
• 120-volt electrical operation
• Compatible with both natural gas and LP gas applications
• Direct replacement OEM part ensuring proper fit and function
• Designed specifically for Vitodens 100-W series condensing boilers

Important Installation Notes:

Any adjustments, installations, service or maintenance must be completed by a licensed professional heating contractor who is qualified to work with hot water boilers. When ordering replacement parts, check with the manufacturer and provide the 16-digit boiler serial number or the 12-digit ASME/NB serial number to ensure a proper fit before purchasing.

This genuine Viessmann replacement part ensures reliable, safe operation of your condensing boiler system and maintains manufacturer warranty compliance.