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11 - Supply Voltage [SV]
1 - 115/1/60 4 - 208/3/60 7 - 575/3/60
2 - 208/1/60 5 - 230/3/60 Z - Other
3 - 230/1/60 6 - 460/3/60
Note: Supply Voltage [SV] 2 thru 7 includes a fi eld mounted step down
transformer.
12 - Motor Type [MT]
1 - Open Drip Proof (Standard)
2 - Totally Enclosed [Capacities 060 through 120 Only]
13 - Development Level [DL]
A - Revision Level - Production Onset
14, 15 + - Accessories [AS]
FACTORY INSTALLED
S3 - Stainless Steel Flue Collector
Z1 - Special
FIELD INSTALLED (AS-____)
A7 - Pressure Regulator (1/2 - 2 psi)
G1 - 1 Stage 87K Mercury Free Thermostat
G2 - 1 Stage 87K Mercury Free Thermostat w/TG511A Guard Kit
G3 - 1 Stage T834N Mercury Free Thermostat/Fan Switch
G5 - 2 Stage TH5220D Mercury Free Thermostat w/Subbase
G6 - Locking Thermostat Cover
G8 - 1 Stage T6169C Line Voltage Thermostat w/Subbase
G9 - 1 Stage T822K Mercury Free Thermostat
P5 - 24V SPST Relay - Specify Purpose
VC-4 - 4" Vent Cap
VC-5 - 5" Vent Cap [Capacity 075-120 Category I Horizontal Vent Only]
X7-4 - Concentric Vent Kit [Capacities 030-075)
X7-5 - Concentric Vent Kit [Capacities 090-120]
Low Profi le Tubular Gas-Fired Unit Heater Model Number Description
Digit G X X X — 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 +
Item
Prefi x UT CA FT FM GT AL GC SV MT DL AS
(Internal use Only)
1, 2 - Unit Type [UT]
GG - Residential Tubular Propeller UH
3, 4, 5 - Capacity [CA]
030 - 30,000 BTU/HR
045 - 45,000 BTU/HR
060 - 60,000 BTU/HR
075 - 75,000 BTU/HR
090 - 90,000 BTU/HR
105 - 105,000 BTU/HR
120 - 120,000 BTU/HR
6 - Furnace Type [FT]
A - Right Hand Access
7 - Furnace Material [FM]
1 - Aluminized Steel (Standard)
2 - 409 Stainless Steel
8 - Gas Type [GT]
N - Natural Gas
P - Propane (LP) Gas
9 - Altitude [AL]
P - Canadian Hi-Alt. 2000-4500 Ft.
S - 0-4999 Ft.
T - 5000-11,999 Ft.
Note: Unit installations over 2000 ft. require gas input deration
in the fi eld. Refer to unit installation instructions.
10 - Gas Control [GC]
A - Single Stage (Standard)
B - Two Stage (CA = 060 through 120 Only)