Roberts Gorden UHD-S75 - 125, UHD-S150-400 User Manual
®
Combat
UHD[S] - Series
Tubular Duct Furnaces
t UHD[S] Models 75 - 125
UHD[S] Models 150 - 400 u
82% eciency with use of tubular heat
exchangers and inshot burners
Reliable ignition with direct spark ignition
burners.
Installation and operation exibility with rear
or top air and ue connections (Models UHD[S]
75 - 125 only).
Helps reduce dirt build-up on burners and helps
extend life of heat exchanger with separated
combustion units.
Longer life and less maintenance with optional
stainless steel heat exchangers.
Install downstream of refrigeration system with
option stainless steel heat exchangers and drain
pan (Models UHD[S] 150-400 only).
1.800.828.7450
www.rg-inc.com
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Combat® UHD[S] 75 - UHD[S] 125 Clearances and Dimension Data
B
20.25”
1.8”
A
D
Flue
28.5”
1.5”
3.3”
4 x 3/8” Captive Nuts Provided
16.63"
B
17.63"
Rear View
Top View
Gas Supply
6.75”
Air Intake
(UHDS only)
Side View
C
Air Intake
(UHDS only; Optional Position)
Flue
(Optional Position)
18.25”
Electrical
Supply
Thermostat
Connection
6"
6.75”
6 ”
6”
Clearances to Combustibles - Low Prole UHD[S] Range (Models 75 - 125)
Above Heater Below Heater To Side of Heater Access Side Door To Flue
1" 1" 1" 18" Access Clearance 2"
Dimension Data -
Model 75 100 125
'A' Height [in] 17.75 23 23
'B' Duct Connectors [in] 1.25 1.25 1.25
'C' Center of Flue [Top Option] [in] 5.2 6.9 6.9
'D' Center of Flue [in] 2.5 2.5 2.5
Low-Prole UHD[S] Range (Models 75 - 125)
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