The Lennox G60UHV is a discontinued gas-fired, two-stage furnace. According to documents dating from its production in 2001, it was designed for either upflow or horizontal installation and, due to its low profile and narrow size, is appropriate for installation in alcoves, closets, crawlspaces, attics and utility rooms. This 2- to 5-ton capacity series has an AFUE rating of 80 percent and input capacities between 66,000 and 132,000 BTU/H.
The cabinet is pre-painted, and the flue outlet can accommodate upflow or horizontal installations. The G60UHV is considered to be very quiet, as it uses the manufacturer’s SilentComfort Technology, and has a fully insulated cabinet to further decrease noise production.
As a two-stage unit, a two-speed combustion air inducer is only employed during the heating cycle. The SureLight hot surface ignitor automatically responds to the need for heat and is used with the SureLight Integrated two-stage variable speed blower control. Additionally, the unit has limit controls and flame rollout switches for protected operation.
The G60UHV is manufactured with a Duralok aluminized steel heat exchanger with crimped seams to better handle expansion and contraction. The aluminized steel inshot burners are housed in a burner box that can be removed from the unit for easy serviceability.
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