Description
Bosch 7099020 Venturi — OEM Replacement for 24/30kW Boilers
The Bosch 7099020 Venturi (423.072A) is a genuine OEM replacement component engineered for use in Bosch condensing boilers rated at 24 kW and 30 kW outputs. Designed to deliver precise air-to-gas mixing at the burner inlet, this venturi assembly is a critical element in maintaining optimal combustion efficiency, reliable ignition, and consistent heat output across the boiler’s operating range.
Why the Venturi Matters
The venturi is responsible for drawing combustion air and mixing it with gas in the correct ratio before it reaches the burner. A worn, cracked, or fouled venturi can result in incomplete combustion, reduced efficiency, increased emissions, and nuisance lockouts. Replacing it with a genuine Bosch OEM part ensures the air-gas ratio is restored to factory specification, protecting both performance and safety.
Key Features
- Genuine Bosch OEM replacement part — SKU 7099020 / Cross-reference 423.072A
- Compatible with Bosch condensing boilers rated at 24 kW and 30 kW
- Engineered for precise air-to-gas mixing at the burner inlet
- Restores factory combustion efficiency and heat output
- Supports reliable ignition and stable burner operation
- Direct drop-in replacement — no modifications required
- Manufactured to Bosch quality and safety standards
Application
This venturi is intended for use in Bosch condensing boiler models with 24/30 kW heat output ratings. Always verify compatibility with your specific boiler model and serial number before installation. Installation should be performed by a qualified HVAC or gas heating technician in accordance with local codes and the manufacturer’s service documentation.
Part Information
- Brand: Bosch
- SKU / Part Number: 7099020
- Cross-Reference / Alternate Part Number: 423.072A
- Boiler Output Compatibility: 24 kW / 30 kW
- Component Type: Venturi Assembly
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