A Rational 42.00.278P Control regulates fan motor function to maintain steady airflow and consistent performance.
The control regulates fan motor operation within the combination oven so airflow stays consistent for proper heating, cooking performance and chamber circulation. Its design as a dedicated fan motor control matters because accurate electrical management supports dependable motor response and protects overall oven operation from irregular fan behavior.
The control may need to be replaced if the oven shows inconsistent airflow, uneven cooking results, fan speed problems or intermittent motor operation during use. Physical signs can include visible damage, discoloration or burnt electrical areas and environmental signs may include moisture exposure, grease buildup or heat-related wear that could affect reliable performance.
We offer same-day shipping on all in-stock real OEM replacement parts Monday through Friday until 9 PM ET, as well as on Saturday until 4 PM ET for online air orders. We have multiple fulfillment centers, so we're able to process orders quickly and efficiently.
View shipping details on your real OEM replacement parts by visiting our Track My Order page and putting in your order number or purchase order (PO) number and zip code. This info is accessible 24/7, so it's easy to stay up to date on the delivery status of your order once it ships.
Of course! Customer assistance for your real OEM parts is available 8 AM to 9 PM ET Monday—Friday through chat, email, phone and more. Check our Contact Us page and get in touch with us—we'll do our best to answer any questions you may have.
Definitely! Parts Town lets you return most new, unopened real OEM replacement parts within 90 days of delivery, so check our Returns page to see if your purchase qualifies. If the part has already been installed and no longer works, please fill out the form in the Defective Parts & Warranty Inquiries section.