Description
The Lennox 68W56 Sample Tube 3′ Long is a sensing component used to transfer air or gas samples from equipment points to monitoring or control equipment with HVAC systems. It is placed in heating and cooling assemblies where accurate measurement of combustion or airflow conditions is required. The tube connects to regular testing or control instruments, allowing system readings to be taken from remote placed within furnaces, boilers, or air handling units. It supports operational monitoring by carrying sample flow to analytical components. The part is used in servicing and system setups requiring consistent sampling in systems during operation.









