Lennox 20L43 Baffle 318518-761 or a clogged condensate drain

or a clogged condensate drain line restricting airflow

this diaphragm-operated switch ensures precise combustion blower safety by detecting pressure drops or venting obstructions

making it a staple for contractors performing field service on Laars gas-fired boilers and water heaters

The Belimo K-SA Reversible Clamp is a critical mechanical accessory designed for HVAC damper actuators

and 277Vac applications

Lennox 20L43 Baffle 318518-761 or a clogged condensate drainThe Lennox 20L43 Baffle is a critical internal HVAC airflow management component engineered for specific Lennox furnace parts and air handler assemblies. As a veteran technician knows, maintaining the integrity of the factory airflow design is essential for preventing static pressure issues and ensuring optimal heat transfer. This replacement HVAC baffle is precision manufactured to direct air distribution precisely across the heat exchanger or