Empire Comfort Systems PV-28SV50-B(N,P)-1 VENT EXAMPLES FOR SINGLE FLUE cont, the Roof

VENT EXAMPLES FOR SINGLE FLUE (cont.)

Figure 22

Minimum Exterior Grade Dimension - Single Flue, Horizontal Venting Below Floor

H

2 - 45 DEG. PVC BENDS (SUPPLIED BY INSTALLER)

MANTEL

SURROUND

MODEL #PVE-1

VENT CAP

(SUPPLIED WITH VENT KIT) MODEL #PVVK-SV

FLASHING

ROOF PITCH

12		IS X
	X	12
		Determining Minimum Vent Height Above
		the Roof
			ROOF PITCH	H (Min.)
			Flat to 6/12	12” (305 mm)
			6/12 to 7/12	15” (381 mm)
			Over 7/12 to 8/12	18” (457 mm)
			Over 8/12 to 16/12	24” (610 mm)
			Over 16/12 to 21/12	36” (914 mm)

PVC PIPE

(SUPPLIED BY INSTALLER)

FLEXIBLE PVC PIPE

WITH 1/2” COUPLING ON EACH END

MODEL #PVVK-CFA

GAS SUPPLY

Figure 23

Single Flue - Vertical Vent Run

with 45 degree elbows

WARNING: Major U.S. building codes specify minimum chimney and/or vent height above the rooftop. These minimum heights are necessary in the interest of safety. These specifications are summarized in Figure 23.

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