Green Flow Solution logo
Schedule Service

Gas furnace

Back to Day & Night products

Day & Night Gas furnace *80CSU0401712B*

Request ServiceEquipment Quote
Day & Night Day & Night AHRI Furnace - Ion 80 Ultra Low NOx Gas Furnace Gas furnace Repair, maintenance, and replacement planning
Day & Night *80CSU0401712B* product image

Technical Specifications

Product Specs

  • AHRI unit role: Furnace
  • AHRI model/pattern: *80CSU0401712B*
  • AHRI records represented: 242
  • AHRI equipment type: Central HP
  • AHRI tonnage: 2.966666666666667
  • AHRI refrigerant: R-454B
  • Verified catalog model: *80CSU0401712B*
  • Verified product family: Ion 80 Ultra Low NOx Gas Furnace
  • Verified catalog brand: Day & Night
  • Verified model family: F80CSU
  • AHRI model/pattern: *80CSU0401712B*
  • Nominal input: 40,000 BTU/h input
  • AFUE family: 80%
  • Heating stages: single-stage
  • Blower: variable-speed
  • NOx classification: ultra-low NOx
  • Cabinet width code: 17
  • Application: matched gas furnace for split-system air conditioner or heat pump combinations
  • Official product page: https://www.dayandnightcomfort.com/en/us/products/gas-furnaces/ion-80-ultra-low-nox-gas-furnace

Useful troubleshooting details

  • Confirm the installed model and serial number, matched indoor or outdoor equipment, voltage, refrigerant, controls, and AHRI certificate before service or replacement planning.
  • Use the linked AHRI certificates to verify matched-system combinations, rebate conversations, and equipment eligibility before quoting replacement work.
  • Collect photos of the nameplate, equipment access, recent fault history, and comfort symptoms before dispatch or proposal planning.

Certification match

AHRI certificates

View All
Eligible Central HP <5.4 tons

AHRI 217908892

AHRI 217908892 identifies a Mass Save qualified Central HP <5.4 tons from DAY & NIGHT with outdoor unit N5H9V36*K*AAA* and indoor unit EVM5X36M17A*.
Eligible Central HP <5.4 tons

AHRI 217908899

AHRI 217908899 identifies a Mass Save qualified Central HP <5.4 tons from DAY & NIGHT with outdoor unit Q5H9V36*K*AAA* and indoor unit EVM5X36M17A*.
Eligible Central HP <5.4 tons

AHRI 217909423

AHRI 217909423 identifies a Mass Save qualified Central HP <5.4 tons from DAY & NIGHT with outdoor unit N5H9V36*K*AAA* and indoor unit EVM5X43M21A*.
Eligible Central HP <5.4 tons

AHRI 217909430

AHRI 217909430 identifies a Mass Save qualified Central HP <5.4 tons from DAY & NIGHT with outdoor unit Q5H9V36*K*AAA* and indoor unit EVM5X43M21A*.
Eligible Central HP <5.4 tons

AHRI 217910342

AHRI 217910342 identifies a Mass Save qualified Central HP <5.4 tons from DAY & NIGHT with outdoor unit N5H9V36*K*AAA* and indoor unit EVM5X48M21A*.
Eligible Central HP <5.4 tons

AHRI 217910349

AHRI 217910349 identifies a Mass Save qualified Central HP <5.4 tons from DAY & NIGHT with outdoor unit Q5H9V36*K*AAA* and indoor unit EVM5X48M21A*.
Eligible Central HP <5.4 tons

AHRI 217912233

AHRI 217912233 identifies a Mass Save qualified Central HP <5.4 tons from DAY & NIGHT with outdoor unit N5H9V36*K*AAA* and indoor unit EVD5X37M21A*.
Eligible Central HP <5.4 tons

AHRI 217912240

AHRI 217912240 identifies a Mass Save qualified Central HP <5.4 tons from DAY & NIGHT with outdoor unit Q5H9V36*K*AAA* and indoor unit EVD5X37M21A*.
Eligible Central HP <5.4 tons

AHRI 217912687

AHRI 217912687 identifies a Mass Save qualified Central HP <5.4 tons from DAY & NIGHT with outdoor unit N5H9V36*K*AAA* and indoor unit EVD5X38M17A*.
Eligible Central HP <5.4 tons

AHRI 217912694

AHRI 217912694 identifies a Mass Save qualified Central HP <5.4 tons from DAY & NIGHT with outdoor unit Q5H9V36*K*AAA* and indoor unit EVD5X38M17A*.
Loading more

Service planning

How GreenFlow handles *80CSU0401712B* requests

1

Identify the equipment

Confirm the model or series name, serial number if available, photos, and whether the unit is roof, exterior, basement, or mechanical-room equipment.

2

Describe the service issue

Share no heat, no cooling, weak airflow, error codes, alarms, leaks, noise, control problems, or comfort complaints.

3

Review access and history

Include access notes, tenant or business-hour constraints, filter status, recent repairs, and maintenance records when available.

4

Plan the next step

GreenFlow can route the request for diagnostics, repair planning, maintenance, replacement scope, or related system upgrades.

Our Services

Showing services from our catalog

Brands We Service

Popular cities

Service Areas

Our Happy Customers

Terry S.

Excellent service from best tech!

Jahangir R.

They were very organized to communicate and be on time to come to look at my air condition to fix it.

Randy J.

Thanks to Andrey for an amazingly quick response to my request for a service call. He diagnosed and fixed my issue within 24 hours of my asking for help. Excellent service. Thanks.

Anna F.

They showed up within an hour of me making the call on a Sunday. They fixed our system and taught us how to replace the fuse in the future. We would definitely call again.

View All