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What causes a Rheem GRA- GRJ furnace exhaust to frost up? We…

Customer Question
What causes a Rheem...

What causes a Rheem GRA- GRJ furnace exhaust to frost up?

Contractor's Assistant: Did you check the furnace's filters?

Yes, we just put in new ones.

Contractor's Assistant: Do you plan on doing the work yourself?

Yes

Contractor's Assistant: Anything else we should know to help you best?

No, just need to know why it frosts up.

Submitted: 4 months ago.Category: HVAC
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Answered in 1 minute by:
1/1/2018
HVAC Technician: Rick, HVAC Supervisor replied 4 months ago
Rick
Rick, HVAC Supervisor
Category: HVAC
Satisfied Customers: 24,016
Experience: 40+ yrs. experience as a licensed oil & gas technician.
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Welcome to Just Answer, my name is ***** ***** I will do my best to help you with your issue. If my initial response doesn’t answer your question then let me know and we can continue our conversation.

The exhaust has a lot of water in it so it turns to frost when it hits the cold.

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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.

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