Lennox 19F28 Heater 328140-751 3-inch frame and Class B

3-inch frame and Class B insulation for sustained operation in high-temperature flue environments

While specifically designed for the Q624 and Q652 series

the BNR0046 maintains the specific BTU output and orifice sizing required for Trane and American Standard equipment

the motor casing feeling excessively hot to the touch

Lennox 19F28 Heater 328140-751 3-inch frame and Class BThe Lennox 19F28 is a heavy duty 15kW electric heat kit designed for seamless integration into Lennox commercial air handlers and packaged units. Engineered for 208 230V three phase power configurations, this auxiliary electric heater provides reliable supplemental heating or primary heat source functionality in demanding HVACR applications. The open wire nickel chromium heating elements are corrosion resistant and supported by ceramic insulators to