Lennox 27A22 Heater Kit 320074-702 verify that the defrost board

verify that the defrost board speed-up pins can force a cycle

Engineering specifications for the HT32CH231 include 92-inch leads for flexible wiring and a 7-inch maximum diameter capacity

Enhanced Durability: Robust contact surfaces resist arcing and pitting during high-load switching

The LED provides diagnostic feedback for common field issues

Factory-Balanced Assembly: Minimizes harmonic vibration to protect the fan motor shaft and bearings from premature wear

Lennox 27A22 Heater Kit 320074-702 verify that the defrost boardThe Lennox 27A22 Heater Kit, or model ECB29 10 7P, is a high performance 10kW electric heat kit designed to provide critical supplemental or emergency heating for your air handler. As a direct replacement for Lennox 19F08, this assembly integrates seamlessly into your existing HVAC infrastructure, ensuring consistent thermal output when ambient temperatures drop below heat pump balance points. Built for rugged field installation, it features helix