036-21603-002 Rev. A (1004)
Unitary Products Group 7
ACCESSORIES
PROPANE (LP) CONVERSION KIT -
1NP0480 - All units
This accessory conversion kit may be used to convert natural
gas (N) units for propane (LP) operation. Conversions must
be made by qualified distributor or dealer personnel.
EXTERNAL BOTTOM RETURN FILTER RACK W/FILTER -
Provides a cleanable, high velocity type filter and filter rack.
Attaches to the bottom of the furnace.
1BR0314 - For 14-1/2” cabinets
1BR0317 - For 17-1/2" cabinets
1BR0321 - For 21" cabinets
1BR0324 - For 24-1/2" cabinets
HIGH ALTITUDE PRESSURE SWITCHES -
Used to convert units for operation at altitudes from 4,500 ft.
to 10,000 ft.
Input
(MBH)
Output
(MBH)
2,000 Ft. to
5,500 Ft.
>5,500 Ft. to
0,000 Ft.
40 32 1PS0301 1PS0301
60 48 1PS0301 1PS0301
80 64 1PS0302 1PS0302
100 80 1PS0312 1PS0311
115 92 1PS0312 1PS0311
130 104 1PS0312 1PS0311
FIELD INSTALLED ACCESSORIES- ELECTRICAL
MODEL NO. DESCRIPTION USED WITH
2ET0770010124 THERMOSTAT-Two-stage Heat/ Cool, deluxe 24V ALL MODELS
2TH04701024
THERMOSTAT- Two-stage Heat/Cool, Auto or manual changeover.
System Switch: Heat-Off-Cool-Auto.
Fan Switch: On-Auto.
ALL MODELS
2ET07700424
THERMOSTAT-Two-stage Heat/Cool. Programmable electronic (5+1+1),
Auto or manual changeover.
System Switch:Heat-Off-Cool-Auto. Fan Switch: Auto-On.
ALL MODELS
2TC03700124 TWINNING CONTROL ALL MODELS