Roberts Gorden UHA[X][S] 125, UHA[X][S] 45, UHA[X][S] 30, UHA[X][S] 100, UHA[X][S] 60 Vent Terminal

UHA LOW PROFILE UNIT HEATER INSTALLATION OPERATION AND SERVICE MANUAL

Figure 14: Concentric Vertical and Horizontal Vent Termination - Separated Combustion Heater

		Vent Terminal	NOTE: Vent supports not
4" (10 cm)				shown.
		with Baffle Plate
Type B-1
Vent	Storm Collar (By Others)
6" (16 cm)	(Attach with 3 sheet metal screws.)
Diameter
Single Wall
	Combustion
	Air Terminal
		Flashing
		(By Others)
Concentric
Vent Box
4" (10 cm) Diameter			6" (16 cm)
			Minimum
Air Intake
	4" (10 cm)		12" (31 cm)
Vertical
	Diameter		Maximum
Option	Vent
10' (3 m)			4"(10	Vent Terminal
Maximum
			cm)
	4" (10 cm)			with Baffle Plate
		Horizontal	Type
	Diameter		B-1
		Option
	Vent		Vent

	4" (10 cm)	Concentric
	Diameter
		Vent Box
	Vent
Description	Part Number	Qty.
Concentric Vent Kit	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" (16 cm) Combustion Air Terminal	90502103	1

Combustion	Storm Collar (By Others)
	(Attach with 3
Air Terminal	sheet metal screws.)

20