The EL297V gas furnace, recognized for its innovative design and exceptional value, joins the legacy of award-winning products from Lennox ... a two-stage gas valve and a variable-speed blower ...

The G61V furnace line, a part of the Dave Lennox Signatureâ„¢ Collection ... The furnace has a two-stage gas valve, which adjusts the gas output to accommodate the two levels of heating. According to ...

Lennox technology allows for a high heat temperature that burns NOx emissions before releasing them into the atmosphere. The variable-speed blower motor and two-stage gas valve allow the furnace to ...