Question:
Where does the filter go in the York Deluxe Diamond 80?

Answer:
There are two different versions of the York Deluxe Diamond 80 furnaces, either an upflow or downflow. Most upflow furnaces have their filters located on the side or bottom of the furnace in a filter frame. If your furnace has this type return filter frame, remove the door by pulling on it. Slide the filter out of its channel. The filters in downflow furnaces are located in the plenum or ductwork above the furnace.

Question:
How do I change the filter on my York Deluxe Diamond 80?

Answer:
See page 3 and 4 of the manual for instructions on how to change the filter on your York Deluxe Diamond 80. Below is a chart for replacement filters for your unit, based on air flow configuration and the width of the furnace cabinet.

Furnace Filters for the York Deluxe Diamond 80

Air Flow ConfigurationCabinet WidthFilters
Upflow14-1/2″1 14x26x1
filter

 

(bottom air return)
1 16x26x1
filter

(side air return)

Upflow17-1/2″1 16x26x1
filter

 

(side air return)
1 16x26x1
filter

(bottom air return)

Upflow21″2 16x26x1
filters

 

(side air return)
1 20x26x1
filter

(bottom air return)

Upflow24-1/2″2 16x26x1
filters

 

(side air return)
1 24x26x1
filter

(bottom air return)

DownflowAll

2 14x20x1
filters

Question:
Where do the filters go on the York Diamond 80?

Answer:
On the York Diamond 80 the upflow models have their filters located on the side or bottom of the furnace in a furnace frame. In the downflow models that filters are located in the ductwork above the furnace.

Question:
What size filter fits a York Diamond 80 model G + FD048H21A?

Answer:
The filter you need depends on both the configuration of your furnace and the width of your furnace’s cabinet. See the chart below.

To change the filters in the York Diamond 80 see the owner’s manual on page 3 and 4.

Furnace Filters for the York Diamond 80

Air Flow ConfigurationCabinet WidthFilters
Upflow14-1/2″1 14x26x1
filter

 

(bottom air return)
1 16x26x1
filter

(side air return)

Upflow17-1/2″1 16x26x1
filter
Upflow21″2 16x26x1
filters

 

(side air return)
1 20x26x1
filter

(bottom air return)

Upflow24-1/2″2 16x26x1
filters

 

(side air return)
1 24x26x1
filter

(bottom air return)

DownflowAll

2 14x20x1
filters

Question:
Where is the filter on the York Diamond 90

Answer:
The filter in the York Diamond 90 Upflow versions have their filters located on the side or bottom of the furnace in a filter frame. In the Downflow versions are located in the plenum or ductwork above the furnace.

You can also take a look at the owner’s manual, which lists the sizes and locations for filters.

Question:
Which filter does the York Diamond 90 furnace use?

Answer:
The filter you need depends on whether your furnace is an upflow, downflow or horizontal configuration, and the width of your furnace’s cabinet.

Furnace Filters for the York Diamond 90

Air Flow ConfigurationCabinet WidthFilters
All14-1/2-x-28-1/2″

1 14x25x1
filter

(bottom air return)

All17-1/2×28-1/2″

1 16x25x1
filter

(bottom air return)

All21-x-28-1/2″

1 20x25x1
filter

(bottom air return)

All24-1/2-x-28-1/2″1 22x25x1
filter

 

(bottom air return)

AllAll

1 16x25x1
filter

(side air return)

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