Lennox 12P11 Collector Box 323613-751 while the integrated test switch

while the integrated test switch allows contractors to verify burner circuit interruption without draining the loop

This control features a 5°F constant differential

Features automatic reset logic

Is the mounting hardware included for masonry or drywall installations

The P545NCB-22 is rated for a maximum working pressure of 100 PSI

Lennox 12P11 Collector Box 323613-751 while the integrated test switchThe Lennox 12P11 Collector Box (OEM #611899 01) is a critical 7 burner furnace component designed for high efficiency 90% AFUE condensing gas furnaces. As a veteran grade HVAC replacement part, this collector box is engineered to manage the transition of flue gases into the furnace inducer motor while facilitating the proper drainage of acidic condensate. Constructed from durable, corrosion resistant materials, the 12P11 ensures a leak proof seal at