Is $900 to replace furnace circuit board a fair price?
Project Details
I want to confirm if the technician's diagnosis is correct or if I need a second opinion or a full furnace replacement. I'm skeptical because the technician pushed for a full furnace replacement, stating the circuit board would cost $900. My furnace is about 20 years old. It stopped working, showing a 'pressure switch cycle lockout' error. I tried resetting breakers and cleaning the pressure switch tube without success. When turned on, the motor runs for a minute, the ignitor glows, then the furnace turns off. The technician diagnosed that the circuit board isn't sending power to the gas valve. I have already paid a $99 diagnostic fee. I live in Ontario, Canada.
Quote Details
This quote is for replacing the circuit board in an 80% furnace. - Includes: Circuit board replacement - Includes: Labor - Includes: Tax
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More Details
Category
HVAC
Price
$900
Quote Date
November 12, 2025
Efficiency rating
80% AFUE
System type
Furnace
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