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Bryant plus 80 furnace schematic ? Is this my pressure switch? There is a rubber tube running from it into furnace which is all clear.

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  • Heating & Co... Master
  • 3,087 Answers

Yes this a pressure switch

Posted on Dec 17, 2016

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6 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

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  • 1 Answer

SOURCE: I have a Goodman GMS9/GCS9 Gas-Fired Warm Air furnace and it's no

For anyone who finds this question in the future - It's the condensate drain hose for the heat exchanger.
Get a bucket and some towels handy and unplug the lowermost flexible rubber hose - if you do this right after the furnace has stopped, water will come gushing out. Mine was continually plugging up causing my furnace to stop, like yours - the L shaped plastic tube that dips into the drain trap on the outside of the unit (the thing filled with water) was too close to the bottom of the trap. I took it out, shortened it by 1/2 an inch (keep the same bevel that's on there!) and I haven't had a problem since. Blowing out the line would only hold things off for a few weeks before it started acting up again.
Cost me $90 for a service call the first time since visually it looks fine and I checked the upper hoses that go to the pressure switch :)
Learn from my service call!

Posted on Aug 09, 2009

Therinnaiguy
  • 1420 Answers

SOURCE: Bryant Plus 90i furnace vibration

You have not mentioned if the vent pipe has any anti-vibration mounts or not. If not, use rubber mounts to suspend the vent. It may be transmitting your noise.

Posted on Mar 11, 2010

  • 415 Answers

SOURCE: pressure switch stuck open, tubing always filling

If this is a new install, ensure the flue was properly sized.
If it's been running a few seasons with no problems until recently, inspect your flue pipe. Ensure there are no blockages or visible damage to the outside that could cause the gases to condense before leaving your flue. Correct as necessary.
Check for other areas of moisture infiltration. And be sure to check the tubing on your pressure switch for any kinks, cracks, or loose connections and repair as necessary.
MOST IMPORTANT: if you haven't already done so, make sure you have a CO2 detector (< 5 years old) located in the main living area of your home as well as in your bedroom. CO2 is colorless, odorless and deadly.

Posted on Mar 26, 2010

heatman101
  • 43501 Answers

SOURCE: i have a ruud deluxe 80 plus furnace, the blower

Hi,
That could be a couple of things....
Open up the bottom cover and take the wire off of the "G" terminal that goes to the t-stat...then replace the cover and see if the blower still runs...
If it runs then the problem is intenal to the furnace, probably the integrated control board or a high limit is tripped...
If that stops the blower from running then you have a bad relay in the t-stat ora shorted wire going to the t-stat.

heatman101

Posted on Apr 18, 2010

  • 306 Answers

SOURCE: bryant plus 80 heat exchager is cracked, i'm

Hate to tell you but heat exchangers are hard to match up. Unless it is relatively new then in most cases they have a warranty of 10 years. So you will have to replace furnace. You might be able to find a used furnace or go to web site and enter model number of your Bryant to get replacement.

Posted on Oct 24, 2010

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1 Answer

Furnace Bryant plus 80 keeps failing intermittently to restart. Light indicator flashing code 3 which states pressure switch stuck open. Where is that so I can replace it.


You could also clean the flame sensor .Look for a black sort of box or it may be round should be near the combustion fan.

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Furnace will not ignite.


I think you are talking about draft induction pressure switch operation. Make sure the metal orifice located on the draft induction blower is clear. To check, remove the rubber tubing end at the pressure switch and blow into the tubing. It should be easy to blow through it. If it is plugged, remove the tubing from the blower orfice and use a paperclip, inserting it into the orfice to clear the opening. After repairing, and all is hooked up, retry the furnace start up procedure. If the code comes up again, replace the pressure switch.

Dec 17, 2014 | Goodman Manufacturing...

1 Answer

Bryant plus 80 heat exchager is cracked, i'm looking for a replacement heat exchanger


Hate to tell you but heat exchangers are hard to match up. Unless it is relatively new then in most cases they have a warranty of 10 years. So you will have to replace furnace. You might be able to find a used furnace or go to web site and enter model number of your Bryant to get replacement.

Oct 23, 2010 | Heating & Cooling

1 Answer

Bryant Plus 90i furnace vibration


You have not mentioned if the vent pipe has any anti-vibration mounts or not. If not, use rubber mounts to suspend the vent. It may be transmitting your noise.

Mar 11, 2010 | Heating & Cooling

2 Answers

Janitrol furnace-circuit board code giving 3 blinks vent pressure switch or vent blockage where do i check on system / furnace was running fine up to this point /turned it off for about 1hr. and when i...


f this is a metal vent 80% furnace,Turn Furnace off
and remove the vent that connects to furnace and see if it is plugged.

If this is a High Eff furnace witrh pvc vents for
exhaust and intake air make sure they are not plugged on the outside.

Turn thermostat all the way up,turn furnace off and
wait a few minutes.This should reset any control
board fualt.

Turn the furnace back on, if you have a glow coil
ignitor it should glow red and then the burners should
ignite. If this doesnt happen then:

On High Eff Furnace if the glow coil does not glow red, remove the combustion door to the burners,
turn furnace back on, if the glow coil glows and
burner ignites, you have an obstruction in the intake
air side. If it still does nothing then:

Use caution and remove the exhaust vent from furnace, start furnace, if furnace runs then you
have a problem with the vent system

Feb 13, 2010 | Heating & Cooling

1 Answer

Bryant Plus 90 Furnace - Blower works fine and intermittently blows warm air but will not bring house to temp set on thermostat... Get a 1-3 error (one blink and then 3 quick blinks of the LED) Thanks


PRSSURE, DRAFT SAFGUARD, AUX-LIMIT SWITCH(WHEN USED)OR BLOCKED VENT
SWITCH(WHEN USED) DID NOT CLOSE OR REOPENED (DOWNFLOWONLY)
If open longer than five minutes, inducer shuts off for 15 minutes
before retry.
Check for:
* proper vent sizing
* defective inducer motor
* restricted vent
* excessive wind
* low inducer voltage(115VAC)
* defective blower motor or capacitor
* defective pressure switch
* inadequate combusstion air supply
* disconnected or obstructed pressure tubing
If it opens after trial for ignition period, blower will come on for
90 sec. recycle delay.
Check your air filter for blockage, check pressure switch for a buildup of moisture. Make sure your inducer motor is turning and creating a vacuum to the pressure switch. Make sure all venting is clear and free of water or debris. Make sure there is no water in inducer motor and all drains are draining.

Jan 28, 2010 | Heating & Cooling

1 Answer

I have a Bryant Plus 90i furnace and a Bryant2.5 A/C


go mid.range....cfm dont go to hi spd or no cooling pick up

Aug 18, 2009 | Bryant Heating & Cooling

1 Answer

Bryant furnance clicking, won't fire


try checking the pressure sensing switch,it has a tube that should run somewhere close to the inducer fan.sometimes this hose fills with liquids,and makes the units act funny.I don't know if you have a condensing unit or what.the furnace wont try to light if it cant tell the inducer motor is running.any induced draft unit will work this way.you can also do a temp. bypass of the pressure switch to make sure the contacts on it are closing just be sure your inducer fan is running,and you cant leave it like that its just a test.that is a safety feature you really need.

Mar 11, 2009 | Heating & Cooling

3 Answers

Code #33 on Bryant 355MAV 90i Furnace


'Limit or flame rollout switch is open'. In my case, the flame rollout switch had tripped due to an overheating? I had to push the button between the wire leads to reset the switch. Then when I turned the power back on, the furnace started up like normal.

Why did the switch overheat and trip? My current theory is that there was a rubber grommet around a pipe near the switch that had slid down and was no longer sealing the furnace?

Mar 01, 2009 | Goodman CLJ30AR32 Air Conditioner

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