Lennox 17F28 Collector Box 323613-751 while the factory-charged POE oil

while the factory-charged POE oil ensures immediate compatibility with polyolester-based synthetic lubricants required for modern R-410A systems

This immersion control is utilized across various fuel types where a sensing bulb can be inserted into a well to monitor fluid temperature

preventing soot buildup and protecting the combustion chamber

it provides the rapid heat-up required for reliable burner sequence cycles

a pressure switch stuck open/closed

Lennox 17F28 Collector Box 323613-751 while the factory-charged POE oilWhen you're dealing with a residential furnace that isnt pulling the right vacuum or is leaking condensate at the base of the cabinet, the Lennox 17F28 Collector Box (also referred to as a cold end header box kit) is often the primary suspect. This 28 inch OEM replacement is specifically engineered for Lennox Model 28 HVAC systems and high efficiency gas furnaces where proper moisture management is critical. As a HVAC collector box replacement, it