Shop Heater Exhaust

01-27-2008, 12:21 PM	#1
satsopslim Newbie   Join Date: Jan 2008 Posts: 1	Shop Heater Exhaust I recently picked up an older Reznor XL 170 shop heater. I am in the planning stages of installation and was wondering if I can run the exhaust on a combination horizontal/vertical run. I am installing the heater on the gable end of the shop approx 12'from floor. The shop peak is 20' from floor. I would really like to run exhaust out gable wall instead of vertical vent through roof. The heater doesn't have an exhaust fan. Thanks in advance for your input. Last edited by satsopslim; 01-27-2008 at 04:01 PM.

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01-27-2008, 05:37 PM	#2
bigMikeB Union HVAC Tech.   Join Date: May 2007 Location: New Jersey Posts: 607	Shop Heater Exhaust That unit is designed for a vertical stack to provide draft to the burner chamber for proper operation. A short horizontal near the heater less than 1/4 of the rise is ok, but that is it.