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5-inch long shaft—needed to restore performance to Lennox air handlers like the CB30M and CBX32M series
24VAC Solenoid Operation: Fully compatible with standard HVAC control boards for reliable opening and closing cycles
Industrial Build Quality: Constructed from high-strength materials to resist corrosion and deformation under heavy duty cycles
making it a standard technician-ready HVAC replacement part for rapid service calls
Lennox 12R61 Heat Kit 321894-709 5-inch long shaft—needed to restoreThe Lennox 12R61 Heat Kit (Model ECB25 7. 5P) is a field installed electrical heating section engineered for HVAC technician installation in high demand residential and light commercial environments. This 7. 5kW electric heat kit operates on a 240V internal power supply and is specifically optimized for seamless integration with Lennox CBX25UH and CBX25UHV series air handlers. By utilizing high grade nickel chromium resistance elements, the 12R61