Lennox 27A28 Heater 321702-401 this model is factory-set at

this model is factory-set at 150 PSIG with a certified relieving capacity of 4234 lbs/hr

This assembly is critical for restoring heat in units where original elements have developed open circuits or structural degradation

Always verify the torque requirements of your specific valve or damper before installation to avoid stalling or gear damage

Is this compatible with 1/2" motor shafts

By replacing a malfunctioning or burnt-out board with this genuine HVAC control module

Lennox 27A28 Heater 321702-401 this model is factory-set atThe 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