Lennox 27A28 Heater 320788-703 using it with larger series

using it with larger series like the AF or smaller TF series is not recommended

It is built to maintain tight tolerances and withstand the operational rigors required in ventilation and combustion air dampers

73 Cv equal percentage flow characteristic

If your ignitor is functional but not receiving power

using it in high-pressure steam systems can exceed the temperature limits of the domestic diaphragm and internal seals

Lennox 27A28 Heater 320788-703 using it with larger seriesThe Lennox 27A28 (Model ECB29 12. 5CB 8P) is a high performance 12. 5 kW electric heat kit engineered for seamless integration into Lennox air handler and blower cabinet systems. Operating on a 208 230V power supply, this resistive heat assembly serves as the primary auxiliary or emergency heat source when ambient temperatures drop below the heat pumps balance point. For contractors performing service or retrofits, this electric heat strip is designed