Lennox 17F45 Collector Box 318518-761 Defined sensing range of 65°F

Defined sensing range of 65°F to 85°F tailored for standard commercial occupancy setpoints

ensuring compatibility with common brackets and shrouds

The valve features standard 3/8-inch flare fittings

reducing overall electrical load on the 24V transformer

Improved System Reliability: Prevents common failure modes such as "hunting" or erratic evaporator pressures

Lennox 17F45 Collector Box 318518-761 Defined sensing range of 65°FThe Lennox 17F45 Collector Box (also identified as the 619598 43 Cold End Header Box Kit) is a critical OEM component designed specifically for the EL296 series furnace and other high efficiency Lennox condensing units. As a seasoned technician, you know that a compromised collector box often leads to persistent condensate leaks or pressure switch trips. This collector box replacement kit is engineered with precise tolerances to ensure a gastight seal