
F135-30F Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $40.95 | Top Pick! Condition is New, 146464 Reznor Fan Control W/O Brkt, F135-30F OEM 146464, shipping cost = $8.95 | 99.6% |
![]() | $49.97 | Condition is New, Reznor 146464 Fan Control Without Bracket F135-30F, FREE SHIPPING | ![]() |
![]() | $89.00 | Condition is New, Reznor 146464 Fan Control w/o Brkt, F135-30F, FREE SHIPPING | 100.0% |
![]() | $96.92 | Condition is New, Fits Reznor T-O-D 60T12 D2243 F135-30F Limit Switch, Auto Reset, RZ146465, FREE SHIPPING | 100.0% |
![]() | $115.00 | Condition is New, NEW REZNOR 123974 FAN CONTROL ASSEMBLY Model F135-30F , shipping cost = $7.36 | 100.0% |
![]() | $135.00 | Condition is New, NEW REZNOR 123974 FAN CONTROL ASSEMBLY F135-30F, FREE SHIPPING | 100.0% |
![]() | $164.20 | Condition is New, Reznor 123974 FAN SWITCH, F135-30F W/BRKT, FREE SHIPPING | 99.7% |
![]() | $178.00 | Condition is New, Reznor 123974 FAN SWITCH, F135-30F W/BRKT, FREE SHIPPING | 100.0% |
![]() | $201.07 | Top Pick! Condition is New, REZNOR 123974 Appliance Fan Switch F135-30F W/Brkt, FREE SHIPPING | ![]() |
![]() | $314.52 | Condition is New, Fits Reznor 313907 T-O-D 60T12 D2210 F135-30F Limit Switch/Thermostat, FREE SHIPPING | 100.0% |

The Reznor F135-30F 123974 fan control is a versatile and efficient solution for regulating the speed of Reznor gas warm air furnaces. This fan control is specifically designed for use with Reznor's F135-30F series of furnaces, ensuring a perfect fit and seamless operation.
The fan control utilizes a reliable and accurate sensor to measure the temperature of the furnace's heat exchanger. Based on this temperature reading, the fan control automatically adjusts the speed of the furnace's fan motor to maintain a consistent temperature in your living space. This not only improves overall comfort but also helps to optimize energy usage, reducing your heating costs.
The fan control is factory preset for a comfortable temperature setting of 135 degrees Fahrenheit. However, it can be easily adjusted using the simple control panel located on the front of the unit. The control panel features a clear digital display, allowing you to easily view and set the desired temperature.
The fan control also includes a fan delay feature, which allows the fan to continue running for a short period after the heating cycle has completed. This helps to distribute the warm air throughout the room more evenly, ensuring a consistent temperature and improved comfort.
The Reznor F135-30F 123974 fan control is constructed from high-quality materials, ensuring durability and long-lasting performance. It is also designed to be easy to install, with clear instructions and all necessary mounting hardware included in the package.
In summary, the Reznor F135-30F 123974 fan control is an essential accessory for Reznor F135-30F series furnaces, providing accurate temperature control, energy savings, and improved comfort in your home. Its reliable operation, easy installation, and simple control features make it a must-have for any gas warm air heating system.
The Reznor F135-30F fan control (model number 123974) is a popular choice for those looking to regulate the speed of their Reznor heating units. Here are some potential pros and cons to consider before making a purchase:
Pros:1. Precise Temperature Control: The fan control allows users to adjust the fan speed based on the room temperature, ensuring consistent and efficient heating.
2. Energy Savings: By adjusting the fan speed based on the room temperature, the fan control can help save energy and reduce utility bills.
3. Durable Construction: The fan control is built with high-quality materials and is designed to withstand heavy use in commercial and industrial environments.
4. Easy Installation: The fan control can be easily installed on most Reznor heating units, and does not require any complex wiring or programming.
Cons:1. Limited Compatibility: The fan control is specifically designed for use with Reznor heating units, and may not be compatible with other brands or models.
2. Additional Cost: The fan control is an additional investment on top of the cost of the heating unit, which may be a deterrent for some buyers.
3. Manual Adjustments: While the fan control can be set to automatically adjust based on room temperature, users may still need to manually adjust the settings for optimal performance.
In conclusion, the Reznor F135-30F fan control offers precise temperature control, energy savings, and durable construction, making it an attractive option for those looking to regulate the speed of their Reznor heating units. However, its limited compatibility and additional cost may be drawbacks for some buyers. Ultimately, the decision to purchase the fan control will depend on your specific heating needs and budget.
If you are a Reznor heating unit owner looking for precise temperature control and energy savings, the Reznor F135-30F fan control may be a worthwhile investment. However, if compatibility with other brands or models is a priority, or if the additional cost is a concern, other options may be more suitable.
Details:
With its specific model number and detailed design, this product is a reliable choice for improving the functionality of your central furnace or cooling system. Manufactured by the reputable brand Reznor, this fan control assembly is crucial for maintaining optimal performance and efficiency in home heating cooling systems.
specifications centrafurn:
- brand: Reznor
- mpn: F135-30f
- type: Central Furnace
payments centrafurn:
- credit card: mastercard
- wallet: paypal
- other
returns centrafurn:
- policy: no returns
offer centrafurn:
- best offers: true
- sold #: 21
- options: ship-to-home
- in stock #: 5
- availability: in stock
- prices: $40.95–$314.52
- item condition: New
- started: april 7, 2025
shipping centrafurn:
- carrier: usps
- transit: 3-9 days
- service: usps ground advantage
- class: standard
- type: fixed
seller centrafurn:
- rating: 100.0%
- city: vero beach, florida
- # reviews: 288
general centrafurn:
- category: Home & Garden > Heating, Air > Cooling Systems > Central Furnaces
Also Available:
- RZ110851: KIT, Reznor
- UDX-400-SD: HEATER FAN, Reznor
- 209166: HEATER FAN SWITCH, Fits Reznor
- VR8105K2942: FURNACE CONTROL VALVE, Fits Reznor
- UDAS45: FAN MOTOR, Reznor
- 71626403: MOTOR, Fits Reznor Fasco
- VR8200M7003: FURNACE CONTROL VALVE, Fits Reznor










