Lochinvar 151 13 Concentric Vent Sidewall Attachment, Multiventing sidewall terminations

Installation & Operation Manual

4 Sidewall direct venting

Sidewall termination – optional concentric vent: Models 151 - 601

Figure 4-13Concentric Vent Sidewall Attachment

Note: CVK3003 shown for illustration purposes.

CAUTION	DO NOT use field-supplied couplings	Multiventing sidewall terminations
	to extend pipes. Airflow restriction
		When two (2) or more direct vent appliances are vented near
	will occur and may cause intermittent
	operation.	each other, each appliance must be individually vented (see
		FIG. 4-14). NEVER common vent or breach vent this appliance.

9. Cement appliance combustion air and vent pipes to the	When two (2) or more direct vent appliances are vented near
concentric vent termination assembly. See FIG. 4-13 for
	each other, two (2) vent terminations may be installed as shown
proper pipe attachment.
	in FIG. 4-14. It is important that vent terminations be made as
10. Operate the appliance one (1) heat cycle to ensure	shown to avoid recirculation of flue gases.
combustion air and vent pipes are properly connected to
the concentric vent termination connections.

12"

MINIMUM

VENT

COMBUSTION

AIR

Figure 4-14Concentric Vent and Combustion Air Termination

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