Service Manual

PRODUCT IDENTIFICATION

MODEL # MFG # DESCRIPTION

DEHUM1

P1227801F

Dehumidistat

. Wall mounted, 24 volt humidity control available as a Dehumidistat used to

reduce the airflow in the air conditioning mode to lower the humidity in an occupied home. This

control features a moisture-sensitive nylon element and also provides positive On-Off settings

for manual operation. The control is a normally closed switch that opens on humidity rise

causing the blower to switch to a lower speed to control the humidity within the structure.

EFR01

P1221001

P1221002F

External Filter Rack Kit

. For use with upflow gas furnace models. This kit is intended to provide

a location, external to the furnace casing, for installation of a permanent filter. The rack is

mounted over the indoor air blower compartment area of either side panel, and provide filter

retention as well as location for attaching return air ductwork.

HA02

P1129112F

High Altitude Kit

. The kit is designed to convert 80% gas furnace models at higher altitudes.

This kit is required when installing these furnaces above their maximum rated altitude. This kit

contains # 43-49, 55-58 gas orfices. The orfices in the kit have been selected as a result of

testing with the American Gas Association. they will provide appropriate derating at the altitude

listed in the High Altitude Charts as shown in the installation instructions of the kit.

MODEL # MFG # DESCRIPTION

LPLP03

N/A

LP Gas Low Pressure Kit

.For use with furnaces converted to LP gas. This kit includes

harness adaptors to work with White-Rodgers single & two stage gas valves, Honeywell

single and two-stage gas valves, as well as modulating gas valves.

LPM-06

N/A

LP Conversion Kit

. For use with 2-stage models using a White-Rodgers 36G54 2-stage

gas valve kit or a Honeywell VR9205 2-stage gas valve kit. Includes regulator springs,

#55 orifices, instructions and lable to show the furnace has been converted to L.P.

SBT17

SBT21

N/A

Downflow Subbase.

For use with 80% dedicated downflow furnace models. These kits

are available for the following furnace widths: 17.5" wide (SBT17), 21" wide (SBT21)