A Lennox Y6998 Leak Seal Direct Inject seals internal leak paths to support consistent refrigerant retention in the system.
The leak seal direct inject seals small internal refrigerant leaks within a heating and cooling system, allowing the unit to maintain proper charge and operate at the intended efficiency. Its direct-injection design and compatibility with 2-10 ton applications matter because they support accurate delivery through the sealed system and consistent performance under normal operating conditions.
The leak seal direct inject might be nearing replacement if the HVAC system begins losing refrigerant performance again, shows reduced cooling capacity or can no longer hold pressure as effectively as before. Physical signs can include visible oil residue around leak points, while environmental signs may include longer run times, higher energy use or temperature swings that could indicate the seal is no longer performing reliably.
Yes! We offer same-day shipping on in-stock real OEM HVAC parts Monday—Friday until 9 PM ET and on Saturday until 4 PM ET for online air orders. With updated inventory and efficient processing, we can ship orders as quickly as possible.
Track your real OEM HVAC parts once they've shipped by going to our Track My Order page and submitting your order number or purchase order (PO) number with your zip code. You'll then be able to check shipping details whenever you want, giving you peace of mind as shipping progresses.
Customer support for real OEM heating and cooling replacement parts is available through several channels 8 AM—9 PM ET Monday—Friday via chat, email, phone and more. Visit our Contact Us page to learn how to connect with us quickly and easily.
Yes! Parts Town gives you the option to return most new, unopened real OEM HVAC parts within 90 days of delivery, so visit our Returns page for more details. For installed parts that don't work anymore, complete the form in the Defective Parts & Warranty Inquiries section.