HVAC

Have HVAC questions? Ask an HVAC Expert for answers

Ask an Expert,
Get an Answer ASAP!

Related HVAC Questions
I have a Rheem Criterion II. All week I've had issues where
Hello. I have a Rheem Criterion II. All week I've had issues where the burners light but as soon as the blower fan clicks to turn on the burners turn off and the blower goes on as normal. … read more
HvacmanSean
HvacmanSean
Owner
HVAC
234 satisfied customers
I have a Rheem criterion II that won't always fire up unless
I have a Rheem criterion II that won't always fire up unless I blow on the pressure switch tube.....I'm assuming that I need a new pressure switch? All I can find is a dwg number of 90-24209-03. If I'… read more
BillyHvac
BillyHvac
Journeyman Service Technician
State Licensed Mechanical Contractor
13,875 satisfied customers
Have rheem criterion II. It is running constantly, no heat,
Have rheem criterion II. It is running constantly, no heat, I've cleaned the flame sensor, plug it back in and it runs, won't ignite. checked suction, reset rollout switches by burners, start , have t… read more
Rick
Rick
Supervisor
24,930 satisfied customers
My house has a boiler with a Honeywell s9301a integrated boiler
My house has a boiler with a Honeywell s9301a integrated boiler control. It doesn't seem to ignite properly. The "valve/flame" light keeps blinking. I have tried to reset it, but when I do, it cycles … read more
Rick
Rick
Supervisor
24,930 satisfied customers
I have a rheem criterion II model # ***** when the
I have a rheem criterion II model # ***** when the furnace turns on, there is no ignition from the direct spark ignitor. It purges and the blower cycles, but after no ignition, it shuts down.… read more
Rick
Rick
Supervisor
24,930 satisfied customers
Hello, I have a Rheem Criterion II Gas Furnace that is converted
Hello, I have a Rheem Criterion II Gas Furnace that is converted to LP gas. When I turn the thermostat on, the blower kicks on, you hear the clicking of the electric start, but no gas comes out to ign… read more
Douglas
Douglas
Vocational, Technical or Trade Scho
3,087 satisfied customers
I have a Rheem Criterion II furnace that will not ignite.
I have a Rheem Criterion II furnace that will not ignite. The call for heat comes, then the ignition blower comes on, then I can see the pressure switch suck back, but the spark igniter does nothing. … read more
GOTOGUY62
GOTOGUY62
4 satisfied customers
Rheem Criterion II Gas Furnace II Unit the blower blows and
Rheem Criterion II Gas Furnace II Unit the blower blows and I can hear the heater trying to kick in or it will kick on for less than a minute...I have turned the termostat up to 88 and sometimes it wi… read more
hvacexpertjoe
hvacexpertjoe
Electronics Technician
Vocational, Technical or Trade Scho
183 satisfied customers
I have a rheem criterion II gas furnace and when I set the
I have a rheem criterion II gas furnace and when I set the thermostat to heat, the ignition clicks but the burners will not light and the furnace will not produce heat. Do need to call a heating contr… read more
M Oglesby
M Oglesby
Vocational, Technical or Trade Scho
2,038 satisfied customers
I have a rheem criterion II rgph-07eauer. the pilot light
I have a rheem criterion II rgph-07eauer. the pilot light isn't igniting. I tried to turn gas valve to off for 5 minutes and then back to on. turned back on electricity to unit, but still no ignition … read more
Tim H.
Tim H.
Lead building engineer
Vocational, Technical or Trade Scho
3,962 satisfied customers
Hey Paul, I have a Rheem Criterion II furnace. The blower
Hey Paul, I have a Rheem Criterion II furnace. The blower works. I just replaced the pressure switch. The ignition heats up. The gas lights in one of the 3 long tubes. It stays on for about 5 or so se… read more
BillyHvac
BillyHvac
Journeyman Service Technician
State Licensed Mechanical Contractor
13,875 satisfied customers
I have a Rheem Criterion II heating system. The problem is
I have a Rheem Criterion II heating system. The problem is the fan continuously runs. The heat however does fire when called upon. Any ideas?… read more
BillyHvac
BillyHvac
Journeyman Service Technician
State Licensed Mechanical Contractor
13,875 satisfied customers
I have a Rheem Criterion II plus 2 two stage furnace (approx.
I have a Rheem Criterion II plus 2 two stage furnace (approx. 9 years old). Intermittently, the burners will not ignite. The electric igniter clicks and there is spark from the igniter but no flame co… read more
Mark Henley
Mark Henley
HVAC Controls DDC
3,216 satisfied customers
I have a Rheem Criterion II unit. I can not get the AC to
I have a Rheem Criterion II unit. I can not get the AC to work... Digital thermostate show all OK Tired to go fan only... no fan, not even a relay sound 3 amp fuse looks ok on board No damage visable … read more
Rick Mather
Rick Mather
HVAC Technician
Vocational, Technical or Trade Scho
3,133 satisfied customers
Hello, I purchased a home, and there is a relatively new
Hello, I purchased a home, and there is a relatively new Rheem Criterion II heater in the home. I would like to replace the thermostat, and I am wondering if I can replace the (very) old one with a pr… read more
Rick Mather
Rick Mather
HVAC Technician
Vocational, Technical or Trade Scho
3,133 satisfied customers
In my house I have a Rheem Criterion II furnace / AC. (not
In my house I have a Rheem Criterion II furnace / AC. (not the Criterion II +2. It starts up and the flames come on, then the blower starts, and the flames shut off. I heard about some ignitors, but t… read more
Rick or Nick in Texas
Rick or Nick in Texas
General Manager-Lead Tech
Own and run HVAC business 29yrs
44 satisfied customers
Clicking sound in Rheem Criterion II furnace (installed in my garage).
Rheem Criterion II furnace (installed in my garage) is making a clicking sound, as soon as i turn off the switch on left side filter that has orange light with system wrtitten on it the sounds goes aw… read more
Rick Mather
Rick Mather
HVAC Technician
Vocational, Technical or Trade Scho
3,133 satisfied customers
My Rheem Criterion II Gas Furnace is not working. The fan comes
My Rheem Criterion II Gas Furnace is not working. The fan comes on likes it's getting ready to start, but the lighting element doesn't light. What should I do?… read more
buck3371
buck3371
Vocational, Technical or Trade Scho
22 satisfied customers
Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.

JustAnswer in the News:

Ask-a-doc Web sites: If you've got a quick question, you can try to get an answer from sites that say they have various specialists on hand to give quick answers... Justanswer.com.
JustAnswer.com...has seen a spike since October in legal questions from readers about layoffs, unemployment and severance.
Web sites like justanswer.com/legal
...leave nothing to chance.
Traffic on JustAnswer rose 14 percent...and had nearly 400,000 page views in 30 days...inquiries related to stress, high blood pressure, drinking and heart pain jumped 33 percent.
Tory Johnson, GMA Workplace Contributor, discusses work-from-home jobs, such as JustAnswer in which verified Experts answer people’s questions.
I will tell you that...the things you have to go through to be an Expert are quite rigorous.

What Customers are Saying:

You did one super job of explaining to me everything there is to know about this fridge. I'm looking forward to asking you questions in the future.

JimmyBagley, IA

Wonderful service, prompt, efficient, and accurate. Couldn't have asked for more. I cannot thank you enough for your help.

Mary C.Freshfield, Liverpool, UK

This expert is wonderful. They truly know what they are talking about, and they actually care about you. They really helped put my nerves at ease. Thank you so much!!!!

AlexLos Angeles, CA

Thank you for all your help. It is nice to know that this service is here for people like myself, who need answers fast and are not sure who to consult.

GPHesperia, CA

I couldn't be more satisfied! This is the site I will always come to when I need a second opinion.

JustinKernersville, NC

Just let me say that this encounter has been entirely professional and most helpful. I liked that I could ask additional questions and get answered in a very short turn around.

EstherWoodstock, NY

Thank you so much for taking your time and knowledge to support my concerns. Not only did you answer my questions, you even took it a step further with replying with more pertinent information I needed to know.

RobinElkton, Maryland

< Previous | Next >

Meet the Experts:

Phil

Phil

Mechanical Engineer

7,634 satisfied customers

Retired HVAC/ Electrical & Boiler contractor. Industrial

Rick Mather

Rick Mather

HVAC Technician

3,133 satisfied customers

35 years experience, HVAC

Matthew

Matthew

HVAC Technician

2,014 satisfied customers

14 years experience in the HVAC field of service, installation, Manual J & D calculations

Brian HVAC Guy

Brian HVAC Guy

HVAC Technician

1,024 satisfied customers

I have been an HVAC/R mechanic/technician for 30+ years.

Kenton Guidry

Kenton Guidry

HVAC Technician

963 satisfied customers

12 years install/service experience.

Rick Ridley

Rick Ridley

UK Heating Engineer

871 satisfied customers

Retired But have had 30 years on the tools, Ex CORGI

Tom

Tom

HVAC Technician

770 satisfied customers

16+yrs HVAC/R service. Residential Commerical Industrial

< Previous | Next >

Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.

Show MoreShow Less

Ask Your Question

x