
LB-85663K Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $25.00 | Condition is New – Open box, Lennox Expansion Valve Kit 26k35 LB-85663K, shipping cost = $5.00 | 99.8% |
![]() | $49.98 | Condition is New – Open box, Lennox Parker 26K35 Expansion Valve Kit. 3.5-5 Ton. LB-85663K, FREE SHIPPING | 100.0% |
![]() | $110.00 | Condition is New – Open box, LB-85663K Lennox TXV kit (R22 a/c) 3.5-5 Ton, shipping cost = $8.61 | 0.0% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $82.00 | Condition is New, Lennox 3.5 - 5 Ton, 26k35, Expansion Valve Kit, LB-85663K, Straight Connection, shipping cost = $12.06 | 100.0% |
![]() | $162.95 | Condition is New, OEM Lennox Armstrong Ducane TXV Valve 3.5 - 5 Ton R-22 Replaces LB-85663K, FREE SHIPPING | ![]() |

The Lennox Armstrong Ducane LB-85663K TXV Valve is a vital component in your HVAC system, specifically designed for R-22 refrigerant. This product is a part of the renowned Lennox Armstrong Ducane series, known for their reliability and energy efficiency.
The LB-85663K is a thermal expansion valve, also known as TXV. Its primary function is to control the flow of refrigerant into the evaporator coil of your air conditioning system. The valve opens and closes in response to the temperature of the refrigerant, ensuring that the correct amount of refrigerant is used at all times. This process is essential for maintaining optimal system performance, ensuring efficient cooling, and preventing over- or under-cooling.
The Lennox Armstrong Ducane LB-85663K TXV Valve is constructed with high-quality materials, designed to withstand the harsh conditions found within an HVAC system. It features a corrosion-resistant body, ensuring long-lasting performance even in the presence of moisture and other corrosive substances. The valve also includes a built-in bypass, which allows for efficient operation and reduced pressure drop, further enhancing the overall performance of your HVAC system.
In summary, the Lennox Armstrong Ducane LB-85663K TXV Valve is a crucial component in maintaining the efficiency and reliability of your R-22 refrigerant-based HVAC system. Its corrosion-resistant construction and built-in bypass ensure long-lasting performance and efficient operation. If you're in need of a high-quality TXV valve for your R-22 system, the Lennox Armstrong Ducane LB-85663K is an excellent choice.
Pros of buying Lennox Armstrong Ducane LB-85663K TXV Valve 3.5 R-22:1. Energy Efficiency: The Lennox Armstrong Ducane LB-85663K is a high-efficiency air conditioner, which can help reduce energy bills by using less power to cool the same amount of space.
2. Reliability: Lennox is a well-known brand with a reputation for building reliable products. This unit is backed by a solid warranty, providing peace of mind for homeowners.
3. Capacity: The 3.5-ton capacity of this air conditioner is suitable for larger homes or buildings, ensuring that the space is properly cooled.
Cons of buying Lennox Armstrong Ducane LB-85663K TXV Valve 3.5 R-22:1. R-22 Refrigerant: This unit uses R-22 refrigerant, which is being phased out due to its environmental impact. This may make it more difficult and expensive to repair or replace the unit in the future.
2. Noise Level: The Lennox Armstrong Ducane LB-85663K is a powerful air conditioner, which can generate more noise than smaller units. This may be a concern for homeowners who value quiet operation.
3. Cost: The Lennox Armstrong Ducane LB-85663K is a high-end air conditioner, which may be more expensive than other options on the market.
Ending Conclusion:The Lennox Armstrong Ducane LB-85663K TXV Valve 3.5 R-22 offers reliable performance and energy efficiency for larger homes or buildings. However, its use of R-22 refrigerant and potential noise level may be a concern for some homeowners. If you are interested in this unit, it is important to weigh the pros and cons and consider the long-term costs and benefits.
Recommendation:If you are looking for a high-efficiency air conditioner for a larger home or building, the Lennox Armstrong Ducane LB-85663K TXV Valve 3.5 R-22 may be a good option. However, it is important to carefully consider the potential drawbacks and weigh them against the benefits before making a purchase. You may also want to explore other options that use more environmentally friendly refrigerants to avoid future repair or replacement costs.
Details:
Replaces old part #s this is achieved by monitoring temperature and pressure in the refrigerant system. Function: the thermostatic expansion valve controls one thing only: the rate of flow liquid refrigerant into evaporator. Replaces old part #s: LB-85663K. Repair difficulty level: partial list of units that use this item.
specifications centrafurn:
- brand: Fits Lennox Armstrong Ducane
- mpn: Lb-85663k
- model: Fits Lb-85663k
- type: Txv Valve 3.5 5 Ton R-22
general centrafurn:
- category: Home & Garden > Heating, Air > Cooling Systems > Central Furnaces
shipping centrafurn:
- class: standard, expedited, one-day
- transit: 5-9 days
- service: usps ground advantage, usps priority mail, fedex 2day, ups next day air saver
- carrier: usps, fedex, ups
- type: calculated
seller centrafurn:
- rating: 98.7%
- city: louisville, kentucky
- # reviews: 149511
returns centrafurn:
- paid by: seller
- policy: returns accepted
- time: 30 days
- method: money back
offer centrafurn:
- in stock #: 5
- sold #: 26
- started: december 15, 2024
- prices: $25.00–$162.95
- item condition:
- New – Open box
- New
- options: ship-to-home
- availability: in stock
payments centrafurn:
- credit card: visa
- other
- wallet: apple-pay
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