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Phil, Mechanical Engineer
Category: HVAC
Satisfied Customers: 6022
Experience:  Retired HVAC/ Electrical & Boiler contractor. Industrial
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American standard furnace. Blows but no heat. Igniter

Customer Question

American standard furnace. Blows but no heat. Igniter works/glows, no gas presented to igniter. Red light is constant flash. No intervals to flashing
Submitted: 1 year ago.
Category: HVAC
Expert:  airheatman replied 1 year ago.

1. Has unit been working and just stopped?

2.Positive gas is ON to the furnace?

3.Do you have a multi meter for troubleshooting?

Customer: replied 1 year ago.
1. Was working and just stopped
2. Yes gas is on
3. I can go pick up a multi meter if needed
Expert:  airheatman replied 1 year ago.

OK our first step will be to see if we are getting 24 volts to the gas valve when igniter glows