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Can I post video of what's going on?

I bypassed thermostat, and jumped R to W. Then furnace worked.....kinda. So thermostat seems to be problem for furnace not powering up at all. Just need to put in different one. But furnace is still short-cycling. Burners are on for only a few seconds, and then they go off. And then...

valve instructions

C to W on the control board now has zero volts. And, again, nothing happens when i turn on the thermostat; no furnace, no igniter, no sounds, nothing. So what is likely to be the problem?

looks like there are some burnt out components on the control board. so i guess that will need to be replaced. but i thought the board just controls the blower. would burnt out pcb cause furnace not to power up at all?

it doesn't have one.

I just installed a new valve, and now nothing works----just dead silence when i turn on the thermostat. How can I check the valve to confirm that it's bad? I think that I got the wiring right. It's a EF32CW233 (White-Rodgers). Thanks.

Thanks. I will check on that.

swapped out boards at outset; that didn't help. blower only came on the one time that burners stayed on for a minute. then burners went out, but blower stayed on for a while.

Just tried different thermostat. No change.

reply is above.

I think the hot surface ignitor acts as the flame sensor. Could it be the solenoid in the valve that isn't functioning? The furnace in this video is similar to mine. Btw, do i have to remove one of the wires on thermostat before jumping r to w, to avoid blowing out anticipator?

I've got an old Carrier gas furnace---394GAW model (40 years old?); it's similar to 58GS models. The furnace pilot lights up, but my burners will only stay lit for a few seconds (although last night the burners stayed lit one time for a minute or so, then the blower came on and the burners went...

Thanks for the suggestions!

Thanks for suggestion. But does anyone have any experience with dryer duct boosters?

I have 4 80-year old gravity furnaces in a California basement (in California), which I'd like to replace. I'm trying to figure out whether I can put 4 2-ton replacement furnaces (perhaps with coils for an a/c add-on later) in the same location, but I'm getting conflicting information. I have...

I have a gas dryer in the basement of a 2 story 4-plex building. To vent the dryer exhaust to the outside, I'd need to go up 8 feet and then horizontally another 15 to 20 feet. I've been told that the dryer will not be able to blow out all the lint on it own, and the lint will back up and...

Hope you all can help me. In the basement of my 4-plex, I have a washing machine that drains into a sink, which in turn drains into a sump pump closed bucket. There is also another sump pump in the basement sitting in a pit, which would handle any flooding on the basement floor. the ABS pipes...

Helpful Comments Thanks for all the suggestions!