Aprilaire Model 800 Pad 80 Replacement Pad 80 Filter
As an Amazon Associate I earn from qualifying purchases.Updated: March 27, 2026
The Aprilaire Model 800 Pad 80 uses a Pad 80 Filter to purify the air and add moisture. Over time, this filter accumulates dust and debris, reducing its effectiveness. Replacing it every 12 months ensures your humidifier continues operating at peak efficiency. Neglecting replacement can lead to decreased humidity output and potential damage to the unit.
$101.58
Price from Amazon • As an Amazon Associate I earn from qualifying purchases.
Function: The Pad 80 Filter captures impurities from the water as it evaporates, delivering clean moisture into the air.
Signs it needs replacing: Reduced humidity output, visible dust build-up on the filter, unusual noises or odors from the humidifier.
OEM vs aftermarket: Aprilaire (OEM) filters guarantee compatibility and performance but are typically more expensive. Aftermarket alternatives are often cheaper but may vary in quality. Carefully read reviews and check compatibility before purchasing.
Installation: Replacing the Pad 80 Filter is generally straightforward, involving removing the old filter and inserting the new one according to the manufacturer's instructions.
Replacement schedule: every 12 months
Compatibility warning: always verify part number matches your exact model before ordering
Pros & Cons
Pros
✓ Restores device to original performance without buying a new unit
✓ Significantly cheaper than a full device replacement
✓ Multiple options available from OEM and aftermarket sellers
Cons
✗ OEM parts cost more than third-party alternatives
✗ Wrong part number will not fit — model verification is essential
Common Use Cases
Scheduled maintenance on the every 12 months replacement cycle
Performance restoration after noticing reduced output or efficiency
Preventive replacement before a worn part causes secondary damage
Who Should Buy This
This replacement Pad 80 Filter is for Aprilaire Model 800 Pad 80 owners who are experiencing reduced humidifier performance. Replacing the filter restores optimal humidity output and extends the lifespan of your device.
Not ideal for: If your humidifier is beyond repair or has sustained significant damage, full device replacement might be more cost-effective.
Good to Know Before Buying
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Always confirm your exact model number (800 PAD 80) before ordering. Part numbers vary between model variants and production years. Check the label on your device or original documentation to be sure.
Frequently Asked Questions
What is the part number for the Aprilaire Model 800 Pad 80 Pad 80 Filter?
The part number is AP-8000. Always verify this matches your exact model (800 PAD 80) before ordering, as similar models may use different parts.
How often should I replace the Pad 80 Filter on my Aprilaire Model 800 Pad 80?
every 12 months
Will aftermarket Pad 80 Filter replacements work in my Aprilaire Model 800 Pad 80?
Third-party parts are widely available and often cheaper than OEM. Look for listings that specifically mention compatibility with model 800 PAD 80 and check buyer reviews for fit confirmation before purchasing.
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