Lochinvar & A.O. Smith 100266139 Condensate Trap 321142-301 Fail-Safe Logic: The spring return

Fail-Safe Logic: The spring return open mechanism ensures maximum airflow if the 24Vac actuator loses power

The Antunes Controls 8221210003 is a high-precision differential air pressure switch designed for critical monitoring of positive

Smith parts ensure factory-spec millivolt output and terminal compatibility

it features 3/4" NPT inlet and outlet connections

this board serves as the primary interface for processing sensor inputs and executing relay logic to maintain setpoint accuracy

Lochinvar & A.O. Smith 100266139 Condensate Trap 321142-301 Fail-Safe Logic: The spring returnThe Lochinvar & A. O. Smith 100266139 Condensate Trap Kit is a critical OEM replacement component engineered for high efficiency condensing boilers and water heaters. As a veteran technician knows, maintaining a clear condensate drain line is essential to prevent acidic moisture from backing up into the heat exchanger or combustion chamber. This genuine factory repair part features an integrated internal float mechanism designed to seal the trap and