
42-106209-01 Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $55.70 | Condition is New, OEM Rheem Ruud Furnace Air Pressure Switch Replaces 42-106209-01 42-102341-02, FREE SHIPPING | ![]() |
![]() | $56.61 | Condition is New, Rheem 42-106209-01 Dual Pressure Switch Assembly, FREE SHIPPING | ![]() |
![]() | $65.07 | Condition is New, RHEEM 42-106209-01 -Ruud Pressure Switch Assembly Pressure Switch Assembly, FREE SHIPPING | 98.5% |
![]() | $66.01 | Top Pick! Condition is New, RHEEM 42-106209-01K RHEEM 42-106209-01K Pressure Switch Assembly, FREE SHIPPING | ![]() |
![]() | $69.38 | Condition is New, RHEEM 42-102341-02 Pressure Switch Assembly Replaces 42-106209-01, FREE SHIPPING | 98.5% |
![]() | $73.10 | Condition is New, Rheem-Ruud 42-106209-01K DUAL PRESSURE SWITCH ASSEMBLY, FREE SHIPPING | 99.7% |
![]() | $88.76 | Condition is New, Rheem 42-106209-01 Pressure Switch Assembly, shipping cost = $8.85 | 99.5% |
![]() | $150.66 | Condition is New, OEM Rheem RUUD/Rheem Furnace Air Pressure Switch 42-106209-01 Protech NEW DIY, shipping cost = $9.52 | 98.4% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $45.00 | Top Pick! Condition is Used, Rheem Ruud 42-106209-01 Dual Furnace Air Pressure Switch, FREE SHIPPING | 100.0% |

The Rheem Ruud Weatherking 42-106209-01 furnace air pressure switch is a crucial component in ensuring the proper operation of your heating system. This switch is specifically designed for use with Ruud and Weatherking brand furnaces, model numbers that may include but are not limited to, RUH9B, RUH9C, and RUH9G.
This air pressure switch is engineered to monitor the furnace cabinet pressure and prevent the furnace from operating when unsafe conditions are detected. It is designed with a diaphragm that senses the air pressure inside the furnace cabinet, and when the pressure falls below a safe level, the switch will open and prevent the furnace from igniting. This feature is essential for maintaining the safety and efficiency of your heating system.
The 42-106209-01 switch is also designed to be easy to install, with a simple wiring configuration that includes a common (C), normally open (NO), and ground (G) terminal. This allows for easy connection to the furnace control board. Additionally, the switch is manufactured with a high-quality, corrosion-resistant material, ensuring long-lasting performance and reliability.
The dimensions of the switch are as follows: 2.6 inches (L) x 1.5 inches (W) x 1.2 inches (H). It is recommended that this switch is replaced if it fails to operate correctly, or if it has been in use for an extended period, as the internal components may wear out over time.
In summary, the Rheem Ruud Weatherking 42-106209-01 furnace air pressure switch is an essential safety component for your heating system. It monitors the air pressure inside the furnace cabinet and prevents operation when unsafe conditions are detected, ensuring the safety and efficiency of your heating system. The switch is easy to install and is designed with high-quality, corrosion-resistant materials for long-lasting performance.
Pros and Cons of Buying Rheem Ruud Weatherking 42-106209-01 Furnace Air Pressure Switch 42-102341-02
1. Pros:a. OEM Component: This switch is an original equipment manufacturer (OEM) part specifically designed for use with Rheem Ruud Weatherking furnaces, ensuring a perfect fit and optimal performance.
b. Improved Safety: The air pressure switch helps maintain the correct air pressure in the furnace, which is essential for efficient operation and safety. It prevents the furnace from operating if the blower motor fails, preventing potential fire hazards.
c. Easy Installation: The switch is relatively easy to install, typically requiring only a few wires to be connected. This can save time and money on professional installation fees.
d. Durable Construction: The switch is built to withstand the rigors of frequent use in a heating system, ensuring long-lasting performance.
2. Cons:a. Single Function: The air pressure switch is designed to perform a single function, which may not be as cost-effective as purchasing a combination control if multiple furnace components need replacement.
b. May Need Professional Assistance: Although the installation process is straightforward, some homeowners may still require professional assistance to replace the switch, adding to the overall cost of the repair.
Conclusion:The Rheem Ruud Weatherking 42-106209-01 Furnace Air Pressure Switch 42-102341-02 is an essential component for maintaining the safety and efficiency of a Rheem Ruud Weatherking furnace. Its OEM design ensures a perfect fit, while its durable construction guarantees long-lasting performance. Although it is a single-function component and may require professional assistance for installation, the potential benefits far outweigh the cons for those in need of a replacement.
Recommendation:If you own a Rheem Ruud Weatherking furnace and are experiencing issues with the air pressure switch, it is highly recommended to replace the faulty component with an OEM part like the Rheem Ruud Weatherking 42-106209-01 Furnace Air Pressure Switch 42-102341-02. This will ensure optimal furnace performance, improved safety, and long-term reliability.
Details:
If you would like it faster, let me know so I can give a quote for next day shipping. If you would like next day shipping, I can also accommodate that. I always print and ship the same day. I always ship for free the same or next day via priority mail USPS.
This part was removed from a working furnace so it my be dusty/dirty. I don't know whether it was properly diagnosed, verified, or installed by a trained hvac technician but rest assured that is working part thoroughly gone through. Up for sale is the actual item you see in pictures.
specifications centrafurn:
- brand: Fits Rheem Ruud Weatherking
- mpn: 42-106209-01
- type: Central Furnace
- control style: Switch
- heating system: Furnace
payments centrafurn:
- credit card: visa
- other
- wallet: google-pay
shipping centrafurn:
- type: calculated
- class: expedited
- carrier: usps
- transit: 3-6 days
- service: usps priority mail
seller centrafurn:
- city: roseville, michigan
- rating: 97.8%
- # reviews: 3167
returns centrafurn:
- policy: no returns
offer centrafurn:
- started: march 9, 2025
- options: ship-to-home
- prices: $45.00–$150.66
- item condition:
- New
- Used
- in stock #: 5
- sold #: 26
- availability: in stock
general centrafurn:
- category: Home & Garden > Heating, Air > Cooling Systems > Central Furnaces
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