Bosch Appliances Official Manual for Bosch Water Heater Models: 250SX NG Installation and Maintenance

Appliance details

Recommended exhaust vent terminator position

Fig. 16

Ref.	Description	Minimum distance
A	Directly below an opening; operable windows, doors and any non-	36 in
	mechanical fresh air openings
	Below a gutter, sanitary pipework or eaves	24 in
B	Below a gutter, sanitary pipework or eaves, protected by metal	12 in
	shielding
C	From any internal corner	12 in
D*	Above ground	12 in
	Above a paved sidewalk	7 ft
	From an opposing wall or structure facing the termination	24 in
E
	From any other building opening, gas utility meter, service regulator	36 in
	or the like
F	From a terminator facing a terminator	48 in
G	Vertically between two exhaust vent terminators on the same wall	60 in
H	Horizontally between two exhaust vent terminators on the same wall	12 in
	Horizontally from combustion air inlet of 250 SX	36 in
I**
	Vertically above or below combustion air inlet of 250 SX
	From the combustion air inlet of any other equipment	6 ft
J	From any external corner	12 in
K	Horizontally from an opening; operable windows, doors and any	12 in
	non-mechanical fresh air openings
L	Vertically from a wall, roof slope, or obstruction (venting through a	see ABOVE THE ROOF
	flat or pitched roof)	requirements on following page

Table 3

* Subject to local codes and anticipated snow level

** Other equipment that operates with a mechanical air inlet may require greater distances, reference manufacturer's instructions

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