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York Deluxe Diamond 80 Furnace

3.0 of 5 stars 2 reviews | #10 of 15 Furnaces
Updated: Aug 26, 2014 | Read more about York Furnaces | Deluxe Diamond 80 Warranty

Overview of Deluxe Diamond 80

The York Deluxe Diamond 80 is a two-stage variable speed furnace with an eighty percent AFUE rating. The Deluxe Diamond 80 comes in two-stage Upflow/Horizontal and Downflow Models. It has an insulated blower for quiet operation and a timed-on and adjustable-off blower. The heat exchanger is made of aluminized steel to prevent corrosion.

Furnace Filters for the York Deluxe Diamond 80

Air Flow Configuration Cabinet Width Filters
Upflow 14-1/2" 1 14x26x1 filter
(bottom air return)
1 16x26x1 filter
(side air return)
Upflow 17-1/2" 1 16x26x1 filter
(side air return)
1 16x26x1 filter
(bottom air return)
Upflow 21" 2 16x26x1 filters
(side air return)
1 20x26x1 filter
(bottom air return)
Upflow 24-1/2" 2 16x26x1 filters
(side air return)
1 24x26x1 filter
(bottom air return)
Downflow All 2 14x20x1 filters

Consumer Reviews of the Deluxe Diamond 80

3.0 3.0 of 5 stars 2 reviews
  • Very Satisfied
  • Somewhat Satisfied
  • Neutral
  • Somewhat Unsatisfied
  • Very Unsatisfied
best product icon  What are the 10 Best Furnaces?
5 of 5 stars Viola, IL
Date created: 2014-08-26

Great and cool

Great Machine, great install contractor. No mess, very professional. Recommend to anyone that asks.

1 of 5 stars NJ
Date created: 2008-12-19

York Forced Air Furnace Manufacturer Defect

Purchased a York Deluxe Diamond 80 Furnace in 2003. The weld on the blower bracket has failed on two seprate blower units in the middle of winter in the last 5 years. Repair people said the unit is notorious for this. Stay away

Other Deluxe Diamond 80 Reviews

A thread on the forum shows that several consumers have experienced problems with the control board and ignition system on the York Deluxe Diamond 80. They report the control board flashes and that they need to manually light the furnace. Experts recommended consulting a certified York technician if possible to see if a new control board is needed and to wire it properly.

And an owner of the Deluxe Diamond 80 on expresses satisfaction with his York Diamond 80 furnace and wants to upgrade to a Deluxe Diamond 80 for two-stage performance. lists a number of posts of customers also complaining of the furnace blowing only cold air. The answer to the cold air problem appeared to be replacing the flame sensor and igniter.

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York Deluxe Diamond 80 Model Numbers

The Deluxe Diamond 80 is available in different models which vary in efficiency and capacity.

Model Number AFUE BTUs per Hour
P1DDA12N04801 80 57,000
P1DDA12N06401 80 80,000
P1DDB12N08001 80 100,000
P1DDB16N06401 80 80,000
P1DDC20N09601 80 120,000
P1DUA12L04801 80 57,000
P1DUA12L06401 80 80,000
P1DUA12N04801 80 57,000
P1DUA12N06401 80 80,000
P1DUA12V06401 80 80,000
P1DUB12N08001 80 100,000
P1DUB16L06401 80 80,000
P1DUB16N06401 80 80,000
P1DUB16V08001 80 100,000
P1DUC16N09601 80 120,000
P1DUC20L08001 80 100,000
P1DUC20L09601 80 120,000
P1DUC20N08001 80 100,000
P1DUC20N09601 80 120,000
P1DUC20V08001 80 100,000
P1DUC20V09601 80 120,000

Deluxe Diamond 80 Warranty

Customers should register for the warranty within ninety days of purchase or it will revert to a five-year limited parts warranty. Registry is available online at the York website.

  • Twenty-year limited warranty available for the heat exchangers
  • Five-year limited warranty provided on parts
  • Extended warranties available for more complete coverage

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