Bosch C1210ES Specifications download pdf (Page 17)

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Installation instructions

Fig. 15 Horizontal venting system (single pipe pene-

tration)

*Warning: Single pipe penetration should be

used in non-freezing climates only!

3.3.4 Vent connections

Attaching the exhaust and air inlet connection

adaptors to the top of the heater

B Attach the flue gas exhaust accessory to the top of

the unit Fig. 16 (position 1) using the 4 screws and

gasket provided, and fully insert vent pipe into the

accessory. If using 4" venting, a 3" to 4" increaser

should be installed directly after this accessory.

Fig. 16 Exhaust connection

B Attach the combustion air inlet accessory to the top

of the unit Fig. 17 (position 2) using the 3 screws and

gasket provided, and install 3" air intake pipe over the

accessory.

Fig. 17 Inlet connection

3.3.5 Connecting the condensate water drain

NOTE: Vent pipe must be completely

vertical when inserting or blue gasket

inside exhaust accessory can become

displaced. Exhaust accessory can be

removed with vent pipe attached to check

gasket position.

6720608643-12.2V

3" (80mm)

INTAKE

EXHAUST

4” Min.

DRAIN TEE

NOTE: The combustion air accessory can

be installed on the top right or on the top

left side of the heater. The combustion air

inlet that is not used must be kept sealed.

Warning:

B Failure to properly install condensate

drain can damage the appliance and will

void the warranty.

Warning:

B Do not install condensate drain tubing in

areas where it may freeze.

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Bosch C1210ES Specifications Page 17

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