
GSR14-GSR21 Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $38.00 | Condition is Used, Lennox Pulse Spark Plug 43G62 Champion FI21500 Igniter - G14 G21 GSR14 GSR21, shipping cost = $6.37 | 100.0% |
![]() | $100.00 | Condition is Used, Lennox Pulse (1 1/4" outlet) air flapper housing cast aluminum , FREE SHIPPING | 100.0% |
![]() | $100.00 | Condition is Used, Lennox Pulse (1 1/4" outlet) Air Flapper Housing Cast Iron, FREE SHIPPING | 100.0% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $100.00 | Condition is New – Open box, Lennox 13K26 LP to Natural Gas Conversion Kit LB-87893A G14 GSR14 GSR21 OEM NOS, shipping cost = $7.26 | 100.0% |
![]() | $150.00 | Condition is New – Open box, Lennox 13K29 Propane to Natural Gas Conversion Kit G14/G21 GSR14 GSR21 NOS, shipping cost = $7.26 | 100.0% |

Introducing the Lennox GSR14 GSR21 Pulse 1/4 Outlet Air Flapper Housing, a crucial component for ensuring optimal performance of your Lennox heating system. This replacement part is designed specifically for Lennox GSR14 and GSR21 models, making it an essential addition for homeowners with these systems.
The air flapper housing is a key element in the proper functioning of your system's air flapper. It houses the flapper, which helps regulate the flow of air between your furnace and the ductwork. By ensuring a tight seal when the flapper is closed, this component helps maintain energy efficiency and prevent conditioned air from escaping.
Made from high-quality materials, this Lennox replacement part is built to last. Its durable construction resists wear and tear, ensuring it will continue to perform effectively for years to come. Additionally, its sleek, modern design blends seamlessly with your existing system, maintaining the aesthetic appeal of your heating equipment.
Installing the Lennox GSR14 GSR21 Pulse 1/4 Outlet Air Flapper Housing is a straightforward process. It is designed to easily fit and replace your old housing, requiring no major modifications or adjustments. By following the simple installation instructions provided, you'll have your new housing in place and your system operating at peak efficiency in no time.
In conclusion, the Lennox GSR14 GSR21 Pulse 1/4 Outlet Air Flapper Housing is an essential component for maintaining the performance and energy efficiency of your Lennox heating system. Its durable construction, easy installation, and compatibility with specific Lennox models make it a must-have for any homeowner with one of these systems.
Lennox GSR14 and GSR21 Pulse 1/4 Outlet Air Flapper Housing: A Comprehensive Analysis
Introduction:The Lennox GSR14 and GSR21 Pulse 1/4 Outlet Air Flapper Housings are essential components of Lennox heating and cooling systems. These housings protect the air flapper, ensuring optimal system performance. In this analysis, we will discuss the pros and cons of purchasing these Lennox components.
Pros:1. Enhanced System Efficiency: Replacing worn-out or damaged flapper housings with new ones can significantly improve system efficiency. A properly functioning air flapper housing allows the system to maintain consistent airflow, ensuring even heating and cooling.
2. Durability: Lennox is known for manufacturing high-quality components. The GSR14 and GSR21 Pulse 1/4 Outlet Air Flapper Housings are no exception. They are designed to withstand the rigors of continuous use, providing long-lasting performance.
3. Easy Installation: These housings are relatively easy to install, making them an ideal choice for DIY homeowners. They come with clear installation instructions, and most homeowners can replace the old housings with new ones in under an hour.
Cons:1. Cost: The Lennox GSR14 and GSR21 Pulse 1/4 Outlet Air Flapper Housings are not the cheapest options on the market. However, considering their durability and the benefits they provide, the cost may be justified for those seeking optimal system performance.
2. Limited Compatibility: These housings are specifically designed for Lennox Pulse systems. homeowners using other brands or models may need to look for alternative solutions.
Conclusion:The Lennox GSR14 and GSR21 Pulse 1/4 Outlet Air Flapper Housings are valuable components that can significantly improve the efficiency and performance of Lennox heating and cooling systems. While they may come with a higher price tag than some alternatives, their durability, ease of installation, and system enhancement capabilities make them a worthwhile investment for those seeking optimal home comfort.
Recommendation:If you are a Lennox Pulse system owner in need of a new air flapper housing, the Lennox GSR14 and GSR21 Pulse 1/4 Outlet Air Flapper Housings are a solid choice. Their durability, easy installation, and system enhancement capabilities make them an excellent investment for those seeking optimal home comfort. However, if you are using a different brand or model, it is essential to explore alternative options tailored to your specific system.
Details:
Lennox pulse 1/4 outlet air flapper housing plastic. Free shipping listed flat rate prices are only good for the lower 48 states. If free shipping is on the listing. All parts are purchased in as condition.
specifications maxohvac:
- brand: Lennox
- mpn: Gsr14-gsr21
- part type: Air Housing
offer maxohvac:
- sold #: 16
- prices: $38.00–$150.00
- item condition:
- Used
- New – Open box
- availability: in stock
- options: ship-to-home
- started: november 29, 2025
- in stock #: 5
returns maxohvac:
- policy: no returns
general maxohvac:
- category: Business & Industrial > Hvac Refrigeration
shipping maxohvac:
- transit: 4-9 days
- class: standard
- type: calculated
- service: usps ground advantage
- carrier: usps
payments maxohvac:
- other
- credit card: visa
- wallet: paypal
seller maxohvac:
- rating: 99.7%
- city: wayland, iowa
- # reviews: 2414
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