Roberts Gorden UHD[X][S][R] 225, UHD[X][S][R] 300, UHD[X][S][R] 250, UHD[X][S][R] 400 Description

UHD STANDARD DUCT FURNACE INSTALLATION OPERATION AND SERVICE MANUAL

Figure 9: Concentric Vertical and Horizontal Vent Termination - Separated Combustion Heater

Description	Part Number	Qty.
Concentric Vent Kit (150 - 250)	UHVK1
Concentric Vent Box Top & Side Assembly	90504113	1
Concentric Vent Box Bottom Assembly	90504112	1
Screw #6 x 3/8 Self Drilling	91119100	14
4" (10 cm) Vent Terminal with Baffle Plate	90502102R	1
6" (15 cm) Combustion Air Terminal	90502103	1

Description	Part Number	Qty.
Concentric Vent Kit (300 - 400)	UHVK2
Concentric Vent Box Top & Side Assembly	90504013	1
Concentric Vent Box Bottom Assembly	90504012	1
Screw #6 x 3/8 Self Drilling	91119100	14
4" (10 cm) Vent Terminal with Baffle Plate	90502102R	1
8" (20 cm) Combustion Air Terminal	90502104	1

Model	Vent Diameter
UHD[X]S[R] 150 - 400	4" (10 cm)
Model	*Air Intake Diameter
UHD[X]S[R] 150 - 250	4" (10 cm)
UHD[X]S[R] 300 - 400	5" (13 cm)

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