
88K90 Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $101.32 | Condition is New, Lennox 88K90 ".47""wc SPST Pressure Switch" ".47""wc SPST Pressure Switch", FREE SHIPPING | 98.6% |
![]() | $103.29 | Condition is New, Lennox 88K90 .47"wc SPST Pressure Switch, FREE SHIPPING | 99.7% |
![]() | $101.95 | Condition is New, 88K90 Lennox .47"Wc Spst Pressure Switch OEM 88K90, shipping cost = $10.95 | 99.6% |
![]() | $112.51 | Top Pick! Condition is New, Lennox 88K90 SPST Pressure Switch Single-Pole 0.47 WC, FREE SHIPPING | ![]() |
![]() | $150.00 | Condition is New, LENNOX 88K90 88K9001 24 VAC Press Switch .47 WC, shipping cost = $10.20 | 99.6% |


The Lennox 88K90 47 WC SPST Pressure Switch is a crucial component in various HVAC systems, designed to ensure optimal performance and safety. This switch, manufactured by Lennox, a renowned name in the HVAC industry, is specifically designed for use with their 88K series air conditioners.
The 88K90 is a single-pole, single-throw (SPST) pressure switch. It is rated for a maximum working pressure of 47 inches of water column (WC), making it suitable for high-pressure applications. The SPST design means that it can either allow or block the flow of electrical current, depending on the state of the pressure in the system.
The switch is constructed with durability in mind. It features a corrosion-resistant, powder-coated housing that can withstand harsh environmental conditions, extending its lifespan. The switch also includes a set screw terminal block, which provides a secure connection to the electrical wiring, ensuring reliable operation.
The Lennox 88K90 47 WC SPST Pressure Switch is an essential component in maintaining the proper operation of your Lennox air conditioning system. It helps protect the system from potential damage by shutting off the power when the pressure exceeds the safe limits, thereby preventing any harm to the system components.
In summary, the Lennox 88K90 47 WC SPST Pressure Switch is a robust and reliable pressure switch, designed to safeguard high-pressure HVAC systems. Its single-pole, single-throw design, corrosion-resistant housing, and secure terminal block make it an ideal choice for any Lennox 88K series air conditioner.
Pros of buying Lennox 88K90 47 WC SPST Pressure Switch:1. Reliability: Lennox is a well-known brand in the HVAC industry, known for its durability and reliability. The 88K90 pressure switch is no exception.
2. Easy Installation: This pressure switch is designed for easy installation, which can save you time and money if you plan to install it yourself.
3. Adjustable Setting: The 88K90 has adjustable settings, allowing you to customize the pressure to suit your specific needs.
4. Energy Efficiency: By ensuring proper pressure in your system, this pressure switch can help improve the efficiency of your HVAC system, potentially saving you money on energy bills.
Cons of buying Lennox 88K90 47 WC SPST Pressure Switch:1. Cost: Compared to some other pressure switches on the market, the Lennox 88K90 can be more expensive.
2. Limited Compatibility: This pressure switch may not be compatible with all HVAC systems, so it's important to check before purchasing.
3. Potential for Failure: Like any mechanical part, the 88K90 pressure switch could potentially fail over time, requiring replacement.
Recommendation:If you're looking for a reliable and adjustable pressure switch for your HVAC system, the Lennox 88K90 47 WC SPST Pressure Switch is a good option. Its easy installation and potential energy savings make it a worthwhile investment for many homeowners. However, its higher cost and potential compatibility issues are important considerations. Before making a purchase, be sure to research to ensure this switch is the best fit for your specific HVAC system.
Details:
It is designed to ensure the proper functioning of your equipment and prevent any malicious or dangerous situations.
specifications maxohvac:
- brand: Lennox
- mpn: 88k90
- part type: Pressure Switch
seller maxohvac:
- # reviews: 802
- rating: 99.5%
- city: augusta, arkansas
general maxohvac:
- category: Business & Industrial > Hvac Refrigeration
offer maxohvac:
- options: ship-to-home
- prices: $101.32–$150.00
- item condition: New
- availability: in stock
- started: june 26, 2024
- in stock #: 5
- sold #: 27
- best offers: true
returns maxohvac:
- policy: no returns
payments maxohvac:
- credit card: american-express
- wallet: google-pay
shipping maxohvac:
- type: fixed
- transit: 3-6 days
- service: economy
- class: economy
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