Designed for long-term industrial service life

it ensures the pressure switch closes during the startup sequence

the mesh material is designed for easy cleaning with warm water and a mild detergent to restore full airflow

immediately disconnecting power to the gas valve to prevent heat exchanger damage or unsafe rollout conditions

This genuine Carrier replacement part replaces older part numbers including HC21ZE116 and HC21ZE118-B

Lennox 58W14 Gasket 322027-701 Designed for long-term industrial serviceThe Lennox 58W14 Header Box Gasket is a critical OEM replacement component designed to provide a high integrity seal between the secondary heat exchanger and the header box assembly. This technical seal is specifically engineered for high efficiency condensing furnaces, such as the Lennox G61MPV and G61V series, where managing flue condensate is vital. Measuring approximately 4. 75 by 17. 00 inches, the 58W14 header box gasket ensures that combustion