Is the 8402-078BX a direct replacement for the older 8402-078 model

utilizing genuine Lennox furnace parts ensures the safety circuit maintains OEM specifications for air handler and heating unit performance

it integrates seamlessly with York

you know that hot surface ignitor replacement is a primary fix for "no heat" calls

Energy Efficiency: Minimizes standby heat loss by closing the flue when the burner is off

Johnson Controls A19ACA-15 Temperature Control 30067439-890 Is the 8402-078BX a directThe Johnson Controls A19ACA 15 is a heavy duty, single stage mechanical temperature control engineered for high precision regulation in refrigeration, HVAC, and industrial cooling applications. This SPST (Single Pole Single Throw) controller features an open low switch action, effectively breaking the circuit when temperatures drop to the set point, making it an ideal choice for freeze protection or low limit safety monitoring. Designed for versatile