Viessmann 7836489 Ionization Electrode
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Viessmann 7836489 Ionization Electrode

Viessmann 7836489 Ionization Electrode

As a veteran technician, you know that a flickering flame signal is often the first sign of a service call. The Viessmann 7836489 Ionization Electrode is the critical OEM flame sensor required for precise rectification in high-output Vitodens 200-W B2HA and B2HB series boilers. Designed specifically for the B2Hx 160-352 model range, this electrode monitors the burner's flame via a microamp signal to the control board, ensuring the gas valve remains energized only when a safe combustion state is confirmed. A fouled or cracked ceramic insulator can lead to nuisance "F4" or "EE" fault codes; replacing the worn component with this genuine Viessmann boiler part restores factory-spec reliability and prevents unnecessary lockouts.

This kit includes the necessary replacement gasket to maintain a gas-tight seal at the burner door, which is vital for preventing the escape of flue gases and maintaining proper combustion chamber pressure. When performing annual maintenance, checking the ionization current (typically 160-170 VAC to ground) is standard practice; if the rod shows signs of significant pitting or the insulation block is compromised, a direct swap with this exact-fit 7836489 electrode is the professional solution for long-term system stability.

Key Benefits for Contractors

  • Genuine Viessmann OEM Quality: Eliminates the compatibility risks associated with aftermarket sensors, ensuring the control board receives precise ionization flame detection signals.
  • Integrated Sealing: Comes with gasket to ensure a simplified and safe installation, maintaining the integrity of the Viessmann B2Hx series burner assembly.
  • Optimized Compatibility: Engineered for Vitodens WB2-HA/HB models (45/60/80/100 and 160–352 range), providing a perfect fit without field modifications.
  • Durable Construction: High-temperature resistant rod material prevents premature oxidation and maintains superior conductivity throughout the heating season.

Common Questions

What are the symptoms of a failing Viessmann 7836489 electrode?
Common indicators include the boiler short-cycling, ignition failure despite a visible flame, or specific fault codes such as F4. If cleaning the rod with a soft brush no longer restores a stable microamp signal, the electrode has likely reached its service limit.

Is the gasket included in this part number?
Yes, this Viessmann 7836489 package includes the factory-authorized gasket required to seal the electrode block against the burner door, preventing leaks and ensuring optimal combustion efficiency.

Can this electrode be used in other Vitodens models?
While Viessmann uses various ionization electrodes, the 7836489 is specifically calibrated for the larger B2HA/B2HB 160-352 units. Always verify your specific boiler's serial number and technical data manual to ensure the correct sensor is deployed.

Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.

$37.01

Original: $105.74

-65%
Viessmann 7836489 Ionization Electrode

$105.74

$37.01

Viessmann 7836489 Ionization Electrode

As a veteran technician, you know that a flickering flame signal is often the first sign of a service call. The Viessmann 7836489 Ionization Electrode is the critical OEM flame sensor required for precise rectification in high-output Vitodens 200-W B2HA and B2HB series boilers. Designed specifically for the B2Hx 160-352 model range, this electrode monitors the burner's flame via a microamp signal to the control board, ensuring the gas valve remains energized only when a safe combustion state is confirmed. A fouled or cracked ceramic insulator can lead to nuisance "F4" or "EE" fault codes; replacing the worn component with this genuine Viessmann boiler part restores factory-spec reliability and prevents unnecessary lockouts.

This kit includes the necessary replacement gasket to maintain a gas-tight seal at the burner door, which is vital for preventing the escape of flue gases and maintaining proper combustion chamber pressure. When performing annual maintenance, checking the ionization current (typically 160-170 VAC to ground) is standard practice; if the rod shows signs of significant pitting or the insulation block is compromised, a direct swap with this exact-fit 7836489 electrode is the professional solution for long-term system stability.

Key Benefits for Contractors

  • Genuine Viessmann OEM Quality: Eliminates the compatibility risks associated with aftermarket sensors, ensuring the control board receives precise ionization flame detection signals.
  • Integrated Sealing: Comes with gasket to ensure a simplified and safe installation, maintaining the integrity of the Viessmann B2Hx series burner assembly.
  • Optimized Compatibility: Engineered for Vitodens WB2-HA/HB models (45/60/80/100 and 160–352 range), providing a perfect fit without field modifications.
  • Durable Construction: High-temperature resistant rod material prevents premature oxidation and maintains superior conductivity throughout the heating season.

Common Questions

What are the symptoms of a failing Viessmann 7836489 electrode?
Common indicators include the boiler short-cycling, ignition failure despite a visible flame, or specific fault codes such as F4. If cleaning the rod with a soft brush no longer restores a stable microamp signal, the electrode has likely reached its service limit.

Is the gasket included in this part number?
Yes, this Viessmann 7836489 package includes the factory-authorized gasket required to seal the electrode block against the burner door, preventing leaks and ensuring optimal combustion efficiency.

Can this electrode be used in other Vitodens models?
While Viessmann uses various ionization electrodes, the 7836489 is specifically calibrated for the larger B2HA/B2HB 160-352 units. Always verify your specific boiler's serial number and technical data manual to ensure the correct sensor is deployed.

Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.

Product Information

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Description

As a veteran technician, you know that a flickering flame signal is often the first sign of a service call. The Viessmann 7836489 Ionization Electrode is the critical OEM flame sensor required for precise rectification in high-output Vitodens 200-W B2HA and B2HB series boilers. Designed specifically for the B2Hx 160-352 model range, this electrode monitors the burner's flame via a microamp signal to the control board, ensuring the gas valve remains energized only when a safe combustion state is confirmed. A fouled or cracked ceramic insulator can lead to nuisance "F4" or "EE" fault codes; replacing the worn component with this genuine Viessmann boiler part restores factory-spec reliability and prevents unnecessary lockouts.

This kit includes the necessary replacement gasket to maintain a gas-tight seal at the burner door, which is vital for preventing the escape of flue gases and maintaining proper combustion chamber pressure. When performing annual maintenance, checking the ionization current (typically 160-170 VAC to ground) is standard practice; if the rod shows signs of significant pitting or the insulation block is compromised, a direct swap with this exact-fit 7836489 electrode is the professional solution for long-term system stability.

Key Benefits for Contractors

  • Genuine Viessmann OEM Quality: Eliminates the compatibility risks associated with aftermarket sensors, ensuring the control board receives precise ionization flame detection signals.
  • Integrated Sealing: Comes with gasket to ensure a simplified and safe installation, maintaining the integrity of the Viessmann B2Hx series burner assembly.
  • Optimized Compatibility: Engineered for Vitodens WB2-HA/HB models (45/60/80/100 and 160–352 range), providing a perfect fit without field modifications.
  • Durable Construction: High-temperature resistant rod material prevents premature oxidation and maintains superior conductivity throughout the heating season.

Common Questions

What are the symptoms of a failing Viessmann 7836489 electrode?
Common indicators include the boiler short-cycling, ignition failure despite a visible flame, or specific fault codes such as F4. If cleaning the rod with a soft brush no longer restores a stable microamp signal, the electrode has likely reached its service limit.

Is the gasket included in this part number?
Yes, this Viessmann 7836489 package includes the factory-authorized gasket required to seal the electrode block against the burner door, preventing leaks and ensuring optimal combustion efficiency.

Can this electrode be used in other Vitodens models?
While Viessmann uses various ionization electrodes, the 7836489 is specifically calibrated for the larger B2HA/B2HB 160-352 units. Always verify your specific boiler's serial number and technical data manual to ensure the correct sensor is deployed.

Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.

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