
21W66 Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $39.90 | Condition is New, 21W66 Lennox Induced Draft Assembly Gasket OEM 21W66 - Brand New!, FREE SHIPPING | 100.0% |
![]() | $34.95 | Condition is New, 21W66 Lennox Induced Draft Assembly Gasket OEM 21W66, shipping cost = $8.95 | 99.6% |
![]() | $35.00 | Condition is New, LENNOX GASKET 21W66 - Genuine OEM, shipping cost = $8.13 | 100.0% |
![]() | $49.30 | Condition is New, Lennox 21W66 Induced Draft Assembly Gasket Induced Draft Assembly Gasket, FREE SHIPPING | 98.6% |
![]() | $50.00 | Condition is New, Repair Kit Lennox 78M4701 1012 969 Furnace Control Circuit Board 1012 83 9691A, FREE SHIPPING | 99.6% |
![]() | $52.30 | Condition is New, Lennox 21W66 Induced Draft Assembly Gasket, FREE SHIPPING | 99.4% |
![]() | $57.77 | Condition is New, LENNOX 21W66 LB-106197 Gasket-Induced Draft, FREE SHIPPING | 98.8% |
![]() | $101.20 | Condition is New, Lennox 21W66 Induced Draft Assembly Gasket, FREE SHIPPING | 100.0% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $35.90 | Condition is Used, LENNOX 100973-01 Furnace Control Circuit Board 1012-969 used #D53, FREE SHIPPING | ![]() |
![]() | $39.99 | Top Pick! Condition is Used, LENNOX 1012-83-9691A Furnace Control Circuit Board 1012-969 100973-01, FREE SHIPPING | 98.1% |
![]() | $34.00 | Condition is Used, Lennox Furnace Control Board 1012-83-9691A, shipping cost = $9.42 | 99.1% |
![]() | $44.00 | Top Pick! Condition is Used, Lennox 1012-969 3706N145492 100973-01 Furnace Control Board 1012-83-9692A N883, FREE SHIPPING | 100.0% |
![]() | $45.00 | Condition is Used, LENNOX 78M4701 Furnace Control Circuit Board 1012-969 1012-83-9691A used #29, FREE SHIPPING | 100.0% |
![]() | $45.00 | Condition is Used, LENNOX 78M4701 Furnace Control Circuit Board 1012-969 1012-83-9691A, FREE SHIPPING | ![]() |
![]() | $45.00 | Top Pick! Condition is Used, LENNOX 78M4701 Furnace Control Circuit Board 1012-969 1012-83-9691A used #C4-7, FREE SHIPPING | 100.0% |
![]() | $46.00 | Condition is Used, LENNOX 1012-83-9693A FURNACE CONTROL BOARD 100973-01 1012-969, FREE SHIPPING | ![]() |
![]() | $50.00 | Condition is Used, LENNOX 78M4701 Furnace Control Circuit Board 1012-969 1012-83-9691A used #D498, FREE SHIPPING | ![]() |
![]() | $50.00 | Top Pick! Condition is Used, LENNOX 1012-969 78M4701 Furnace Control Circuit Board, FREE SHIPPING | 100.0% |
![]() | $52.00 | Condition is Used, Lennox 100973-01 Furnace Control Circuit Board 1012-969 1012-83-9693A Checked, FREE SHIPPING | 100.0% |
![]() | $50.00 | Condition is Used, LENNOX 78M4701 Furnace Control Circuit Board 1012-969 1012-83-9691A , shipping cost = $9.42 | 99.8% |
![]() | $52.50 | Condition is Used, LENNOX 78M4701 Furnace Control Circuit Board 1012-969 1012-83-9691A used #D498, shipping cost = $9.14 | 100.0% |
![]() | $52.50 | Condition is Used, LENNOX 78M4701 Furnace Control Circuit Board 1012-969 1012-83-9691A used #D498, shipping cost = $9.14 | 94.4% |
![]() | $52.00 | Top Pick! Condition is Used, LENNOX 1012-83-9691A Furnace Control Circuit Board 1012-969 100973-01 TESTED, shipping cost = $11.50 | 100.0% |
![]() | $70.00 | Top Pick! Condition is Used, Lennox Furnace Control Board 100973-01 2806N474556 1012-969, FREE SHIPPING | 99.5% |
![]() | $74.00 | Condition is Used, Lennox 1012-969 3706N145492 100973-01 Furnace Control Board 1012-83-9692A N883, shipping cost = $1.99 | 100.0% |
![]() | $189.00 | Condition is Used, 1012-83-9692A 100973-01 1012-969 Lennox Furnace OEM Control Board, FREE SHIPPING | 100.0% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $48.72 | Condition is Unspecified, Lennox 21W66 Induced Draft Assembly Gasket Induced Draft Assembly Gasket, FREE SHIPPING | 97.8% |

The Lennox 21W66 LB-106197 Gasket-Induced Draft (GID) Furnace is a high-performance heating solution designed to deliver reliable and efficient warmth for your home. This model, part of Lennox's esteemed lineup, is equipped with advanced features that combine comfort, energy efficiency, and quiet operation.
The Lennox 21W66 GID furnace boasts a 95% AFUE (Annual Fuel Utilization Efficiency) rating, ensuring that nearly all the fuel you provide is converted into heat for your home, reducing energy waste and lowering your utility bills. This model is also designed with a two-stage heating system, allowing it to operate at a lower capacity for most of the time, saving energy, and stepping up to full capacity only when necessary for maximum comfort.
One of the standout features of this furnace is its gasket-induced draft (GID) technology. This innovative system creates a continuous, furnace-controlled draft for improved combustion, ensuring cleaner and more efficient operation. The GID system also helps reduce the likelihood of backdrafting, ensuring safer operation and better performance.
The Lennox 21W66 GID furnace is also designed with quiet operation in mind. Its sound-absorbing cabinet and blower design help minimize noise, ensuring your home remains peaceful and quiet, even when the furnace is running.
This model is also easy to maintain, thanks to its readily accessible filter and combustion chamber. Its durable construction, including a stainless steel heat exchanger, ensures long-lasting performance and reliability.
In conclusion, the Lennox 21W66 LB-106197 GID Furnace is a smart investment for homeowners seeking efficient, reliable, and quiet heating solutions. Its advanced features, including GID technology, high AFUE rating, two-stage heating, and quiet operation, make it an excellent choice for maintaining comfort and saving energy in your home.
Pros of purchasing a Lennox 21W66 LB-106197 Gasket-Induced Draft Furnace:1. Energy Efficiency: This furnace has an Annual Fuel Utilization Efficiency (AFUE) rating of 96%, which means it converts 96% of the fuel it burns into heat for your home, minimizing energy waste.
2. Durable Construction: Lennox is known for its high-quality components and robust design, which can lead to a longer lifespan for the furnace.
3. Quiet Operation: The 21W66 features a Sound Sentry Squencer, ensuring it operates quietly, making for a more comfortable living environment.
4. Variable-speed blower: The variable-speed blower allows for consistent heating and humidity control, providing a more comfortable environment.
5. Warranty: Lennox offers a strong warranty covering parts and labor for a certain period, providing peace of mind.
Cons of purchasing a Lennox 21W66 LB-106197 Gasket-Induced Draft Furnace:1. Cost: High-efficiency furnaces like the 21W66 are more expensive to purchase and install compared to standard furnaces.
2. Complexity: This model features advanced technology, which may require skilled technicians for installation, maintenance, and repair.
3. Size: Due to its efficiency and advanced features, the 21W66 is a larger furnace, which may require modifications to the existing installation space.
4. Potential for more frequent maintenance: Due to its complex design and advanced technology, the 21W66 may require more frequent maintenance compared to simpler models.
Conclusion:The Lennox 21W66 LB-106197 Gasket-Induced Draft Furnace is an excellent choice for homeowners looking for high energy efficiency, durability, and comfort. However, its high cost and potential for frequent maintenance should be considered before making a decision. If you can afford the initial investment and are willing to invest in regular maintenance, this high-efficiency furnace can offer long-term savings and comfort.
Details:
Lennox 21W66 LB-106197 gasket-induced draft plumbers stock: enjoy big savings on the from plumbers stock pros. Excellent products for dyers.
specifications maxohvac:
- brand: Lennox
- mpn: 21w66
- type: Hardware
- upc: 066255138547
general maxohvac:
- category: Business & Industrial > Hvac Refrigeration
payments maxohvac:
- credit card: visa
- wallet: apple-pay
offer maxohvac:
- in stock #: 5
- sold #: 28
- started: june 16, 2024
- prices: $34.00–$189.00
- item condition:
- New
- Used
- Unspecified
- options: ship-to-home
- best offers: true
- availability: in stock
returns maxohvac:
- paid by: buyer
- time: 30 days
- policy: returns accepted
- method: money back
seller maxohvac:
- # reviews: 51706
- city: cedar city, utah
- rating: 96.4%
shipping maxohvac:
- type: fixed
- service: ups ground, fedex ground or fedex home delivery
- transit: 5-10 days
- class: standard
- carrier: ups, fedex



























