York Deluxe Diamond 80 Furnace
2 reviews | #10 of 15 FurnacesOverview 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
2 reviews
What are the 10 Best Furnaces? Compare to Other York Furnaces:
Viola, IL
Great and cool
Great Machine, great install contractor. No mess, very professional. Recommend to anyone that asks.
NJ
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 doityourself.com 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 hvac-talk.com expresses satisfaction with his York Diamond 80 furnace and wants to upgrade to a Deluxe Diamond 80 for two-stage performance.
Askmehelpdesk.com 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.
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
