Atomic 448-2

Atomic Compatible Furnace Filter User Manual

Model: 448-2 | Brand: Atomic

1. Introduction

This manual provides essential information for the proper installation, operation, and maintenance of your Atomic Compatible Furnace Filters. These filters are designed to provide efficient air filtration for your HVAC system, improving indoor air quality by capturing airborne particles.

Key features of your Atomic Compatible Furnace Filters include:

2. Setup and Installation

Proper installation is crucial for the effective performance of your furnace filter. Always ensure your HVAC system is turned off before attempting to replace the filter.

2.1 Identifying the Correct Filter Size

Your Atomic Compatible Furnace Filters have a nominal size of 20x25x5 inches. The actual dimensions are slightly smaller to ensure a proper fit within the filter slot. The actual size is 24 3/4 inches in length, 19 3/4 inches in width, and 4 7/8 inches in thickness.

2.2 Installation Steps

  1. Locate the Filter Slot: The filter slot is typically found in the return air duct of your furnace or air handler.
  2. Turn Off HVAC System: For safety, turn off the power to your furnace or air handler at the thermostat or circuit breaker.
  3. Remove Old Filter: Open the filter access door or panel. Note the direction of the airflow arrow on the old filter. Carefully slide out the old filter.
  4. Insert New Filter: Orient the new Atomic filter so that the airflow arrow on its frame points in the same direction as the airflow in your ductwork (typically towards the furnace/air handler). Slide the new filter into the slot until it is fully seated.
  5. Secure Access: Close and secure the filter access door or panel.
  6. Restore Power: Turn the power back on to your HVAC system.
Two Atomic Compatible Furnace Filters showing the pleated media and sturdy frame.

Image: Two Atomic Compatible Furnace Filters, illustrating their construction and the 'AIR FLOW' directional arrows on the side panels. The filters feature a pleated media design within a robust cardboard frame.

3. Operation

Once installed, your Atomic Compatible Furnace Filter operates passively as air passes through your HVAC system. The filter's MERV 8 pleated media effectively captures dust, pollen, pet dander, and other airborne particles, contributing to cleaner indoor air. No active user intervention is required during normal operation.

4. Maintenance

Regular maintenance, primarily filter replacement, is essential to maintain optimal HVAC system performance and indoor air quality.

4.1 Filter Replacement Schedule

The frequency of filter replacement depends on several factors, including:

As a general guideline, inspect your filter monthly and replace it every 30 to 90 days. During peak heating or cooling seasons, or if you have pets or allergies, more frequent replacement (e.g., every 30-60 days) may be necessary.

4.2 Inspection

To inspect the filter, turn off your HVAC system and remove the filter as described in the installation steps. Hold the filter up to a light source. If you cannot see light through the filter media, it is likely clogged and should be replaced. A clean filter will allow light to pass through easily.

A stack of five Atomic Compatible Furnace Filters, viewed from the side, showing their pleated design.

Image: A stack of five Atomic Compatible Furnace Filters, showcasing the depth and density of the pleated filter media, which is designed to maximize surface area for particle capture.

5. Troubleshooting

Most issues related to furnace filters can be resolved by ensuring proper installation and timely replacement.

5.1 Reduced Airflow

5.2 Excessive Dust Accumulation

6. Specifications

AttributeValue
Brand NameAtomic
Model Info448-2
Nominal Product Dimensions20x25x5 inches
Actual Product Dimensions24.75"L x 19.75"W x 4.88"Th
MERV Rating8
Compatible DevicesAir Cleaner, Air Conditioner, Furnace, HVAC, Heat Pump
Number of Items2 (per pack)
ManufacturerAtomic
Part NumberDSK8.0520252P

7. Warranty Information

For specific warranty details regarding your Atomic Compatible Furnace Filters, please refer to the product packaging or contact the seller directly. Warranty terms typically cover manufacturing defects.

8. Customer Support

If you have any questions, concerns, or require assistance with your Atomic Compatible Furnace Filters, please contact the seller or manufacturer through the platform where the purchase was made. Provide your order details and a clear description of your inquiry for prompt assistance.

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