• Select models meet ENERGY STAR® requirements • Four Firing Rates: .55, .65, .75 and .85 gph • Models are shipped at .65 gph firing rate with all alternative nozzles supplied with furnace • Front access to heat exchanger. Easy to clean • Includes a 20" x 20" filter • Barometric damper • Durable 22-gauge steel cabinet ensures strength while full fiber-reinforced foil faced insulation and “cool-to-touch” technology provide quiet operation • A/C Ready - Up to 4 Tons
Stainless Steel, High-Efficiency Heat Exchanger
Featured on LRF and LRFV models:
1.) Primary heat exchanger utilizes a high-grade 409 stainless steel drum to withstand extreme temperatures and corrosive conditions.
2.) Second pass is constructed of aluminized steel tubes with stainless steel turbulators, which can easily be removed as shown for easy cleaning.
3.) Large heat transfer surface results in maximum efficiency levels and reduced operating costs.