This model is normally open (spring return open) and requires 24V power to drive the blades into the closed position

and 5) are then utilized to trigger the external alarm or shut down a pump when continuity is established through the liquid

or "short cycling" caused by internal mechanical binding or gas valve troubleshooting issues in the regulator diaphragm

Flexible Airflow: Easily select 50

Lennox 16U06 Collector Box 340793-762 This model is normally openThe Lennox 16U06 Collector Box (also identified as model 619598 06) is a critical cold end header box kit designed for high efficiency Lennox gas furnaces. Built to withstand the corrosive nature of acidic condensate, this OEM furnace collector box assembly manages the transition of combustion gases from the heat exchanger into the venting system. As a veteran technician knows, maintaining a precise furnace pressure switch signal and proper condensate