WaterFurnace Replacement Air Filters
If you own a WaterFurnace geothermal system, using the correct filter size for each unit ensures proper airflow, efficiency, and indoor air quality.
7 Series Units
| Unit Size |
Unit Orientation |
Filter Size |
Filter Rating |
Link to Purchase |
| 7 Series - 3 ton 700A11036 |
Vertical |
30 × 32 × 2 |
MERV-11 |
Purchase Link |
| 7 Series - 4 ton 700A11048 |
Vertical |
30 × 32 × 2 |
MERV-11 |
Purchase Link |
|
7 Series - 5 ton 700A11060
|
Vertical |
30 × 36 × 2 |
MERV-11 |
Purchase Link |
5 Series Units
| Unit Size |
Unit Orientation |
Filter Size |
Filter Rating |
Link to Purchase |
| 5 Series 500A11022 |
Vertical |
24 × 28 × 2 |
MERV-11 |
Purchase Link |
| 5 Series 500A11030 |
Vertical |
24 × 28 × 2 |
MERV-11 |
Purchase Link |
| 5 Series 500A11036 |
Vertical |
28 × 30 × 2 |
MERV-11 |
Purchase Link |
| 5 Series 500A11042 |
Vertical |
30 × 32 × 2 |
MERV-11 |
Purchase Link |
| 5 Series 500A11048 |
Vertical |
30 × 32 × 2 |
MERV-11 |
Purchase Link |
| 5 Series 500A11060 |
Vertical |
30 × 36 × 2 |
MERV-11 |
Purchase Link |
| 5 Series 500A11070 |
Vertical |
30 × 36 × 2 |
MERV-11 |
Purchase Link |
Synergy 3D Series Units
| Unit Size |
Unit Orientation |
Filter Size |
Filter Rating |
Link to Purchase |
| SDV038 |
Vertical |
28 × 30 × 2 |
MERV-11 |
Purchase Link |
| SDV049 |
Vertical |
30 × 32 × 2 |
MERV-11 |
Purchase Link |
| SDV064 |
Vertical |
30 × 36 × 2 |
MERV-11 |
Purchase Link |
| SDV072 |
Vertical |
30 × 36 × 2 |
MERV-11 |
Purchase Link |
Envision Series Units
Premier Series Units
Some links in this article may be affiliate links, meaning we may earn a commission at no additional cost to you. Recommendations are made by experienced HVAC and energy professionals.
