Tjernlund Products 950-0650 Fan Prover Kit SS1

This is the Tjernlund Products 950-0650 Fan Prover Kit a safety part used to monitor airflow in HVAC systems, especially in furnace and boiler setups. It verifies that the inducer fan is running before allowing the burner ignition to prevent unsafe conditions. This kit is generally used with side-wall power venters and draft inducers. It confirms air movement, which improves the efficiency and durability of the system and reduces the risk of backdrafts.It is easy to install and compatible with different heating appliances, which makes it a better addition to residential or commercial systems.