A Rational 70.00.637 Spacer Sleeve maintains proper blower spacing for stable airflow and reliable heating performance.
The spacer sleeve positions and supports the blower assembly so it maintains proper spacing and alignment within the gas burner system. Its design matters because consistent dimensions and durable construction promote steady airflow, reduce vibration and maintain reliable burner performance in combination ovens and steamers.
The spacer sleeve may need to be replaced if the unit develops unstable burner airflow, unusual vibration or inconsistent heating performance during operation. Physical signs can include visible wear, cracking or deformation, while environmental signs may include grease buildup, heat-related damage or corrosion that could affect fit and stability.
We provide 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. Anything ordered afterward will be handled on the next business day.
Absolutely! Check shipping information about your real OEM parts by going to our Track My Order page and entering your order number or purchase order (PO) number and zip code. With updated information at your fingertips, you can check on your shipment with ease.
Multiple customer support options are available for your real OEM parts 8 AM to 9 PM ET Monday—Friday with chat, email and phone among the options. Go to our Contact Us page for a full list of ways to reach us.
We allow you to return most new, unopened real OEM replacement parts within 90 days of delivery, so go to our Returns page and see if your order qualifies. For parts that have been installed and no longer work, fill out the form in the Defective Parts & Warranty Inquiries section.