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Jarvis
Catering SpecialistJarvis is an AI assistant and may occasionally provide incorrect details. To ensure your equipment fits and functions perfectly, we recommend verifying all critical specifications-including dimensions, power requirements, and compatibility-with our expert sales team prior to purchase.For orders or stock, call 0333 355 0535
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Buffalo
In Stock
Buffalo AK804 HV Diode for Microwave Replacement Spare Part (Fits FB861)
£9.47
/ exc vat
£11.36/ inc vat
- Model-Specific Fit
- High-Voltage Rectification
- Cost-Effective Repair
- Durable Construction
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Top Feature Icons
- Genuine Buffalo PartEnsures perfect fit and function.
- Restores Heating PowerFixes common no-heat issues.
- Direct ReplacementDesigned for model FB861.
- Essential ComponentCritical for magnetron operation.
Product Overview
This is a genuine Buffalo replacement high-voltage (HV) diode, a crucial component for your microwave's power system. Specifically designed for the Buffalo 1000W manual microwave model FB861, it rectifies the high voltage required by the magnetron. If your microwave is running but not heating food, a faulty diode is a very common cause, and this part will restore its full heating function.
Technical Specifications
- Brand: Buffalo
- SKU: AK804
- Compatible Models: FB861
- Product Type: High-Voltage Diode
- Function: Rectifies power for the magnetron
- Use: Microwave Repair
Key Features & Benefits
- Model-Specific Fit — Guarantees compatibility with the Buffalo FB861 microwave.
- High-Voltage Rectification — Restores the correct power supply to the magnetron.
- Cost-Effective Repair — A far cheaper solution than replacing the entire appliance.
- Durable Construction — Built to withstand the demands of a commercial kitchen.
Expert Review
Daniel Foster Catering Equipment Maintenance Expert
Expert Review
Running into the classic 'microwave turns on but won't heat' problem? Nine times out of ten, this little fella is the culprit. The HV diode is essential for getting power to the magnetron. This genuine Buffalo part is a direct swap for the FB861 model, making it a straightforward fix for a qualified engineer to get you back up and running fast.
Installation & Maintenance
- Always disconnect the appliance from the mains power first.
- The capacitor must be safely discharged before handling.
- Installation should only be performed by a qualified technician.
- Ensure all electrical connections are secure upon installation.
Frequently Asked Questions
Q: My microwave light is on and the plate spins, but it doesn't heat. Is this the right part?
A: A faulty HV diode is a very common cause of this specific issue, making this a likely solution for the FB861 model.
Q: Can I fit this diode myself?
A: Due to the extremely high and dangerous voltages present in microwave capacitors even when unplugged, we strongly recommend professional installation by a qualified engineer.
Q: How can I be sure this fits my microwave?
A: This part, AK804, is the specific replacement diode for the Buffalo 1000W manual microwave, model FB861.
Did You Know?
- A faulty diode is one of the most common and cost-effective microwave repairs.
- This component converts AC to DC power, enabling the magnetron to generate microwaves.
- Replacing key internal parts like this can significantly extend the life of your commercial microwave.
Why Choose EasyEquipment?
-
Trusted for 50+ Years
We've been kitting out UK kitchens for half a century—we know our onions.
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Speedy & Free Delivery
Get your gear fast with free UK mainland delivery, often as soon as the next day.
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Price Match Promise
Find it for less elsewhere? We'll match the price, no quibbles or fuss.
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Real UK Support
Got a question? Our friendly, UK-based team is on the phone, ready to help you out.
Ready To Order?
Don't let a simple fault disrupt your service. Restore your microwave's heating power and get your kitchen back to full efficiency. Add the Buffalo AK804 HV Diode to your basket for a swift and effective repair.