Bosch C1210ES Specifications download pdf (Page 17)

Installation instructions | 17

6 720 644 887 (2014/11)C 1210 ES/ESC

4.3.3 Vent configuration examples

Below are approved examples of vertical and horizontal venting

installations.

Fig. 11 Vertical venting system (single pipe penetration)

[1] Drain tee

[2] Intake

[3] Exhaust

[LA] Maintain 12 in. (18 in. for Canada) minimum clearance above

highest anticipated snow level maximum of 24 in. above roof.

Fig. 12 Horizontal venting installation (combustion air piping not

shown)

[1] Termination

[2] Minimum above ground or normally expected snow accumulation

level

[3] Appliance

[4] Elbow (note: minimum 1ft of straight vent pipe required)

[5] Horizontal run ¼ " per foot down to termination

Fig. 13 Horizontal venting system (concentric vent)

[1] Exhaust

[2] Combustion air

[3] Exhaust pipe

[4] Drain tee

[5] Intake pipe

[LA] Minimum 1"

Fig. 14 Horizontal parallel venting system (twin pipe direct vent)

[A] 3 ft minimum

WARNING:

▶ Single pipe penetration should be used in non-

freezing climates only and steps must be taken to

ensure that adequate combustion air is available to

the water heater at all times!

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Bosch C1210ES Specifications Page 17