Bradford-White Corp EFR-1-60T1206EN, EFR160T120 warranty Canadian US Installations2 Installations1

Figure 12a. Vent Terminal Clearances (Other than Direct Vent or “Power Vented” Installations)

		Canadian	US			Canadian	US Installations2
		Installations1	Installations2			Installations1
						3 feet (.9 m) within a
A=	Clearance above	12 inches	12 inches	H=	Clearance to each side		*b
	grade, veranda, porch,	(30.5 cm)	(30.5 cm)		of center line extended	height 15 feet (4.6 m)
	deck or balcony				above meter/regulator	above the
					assembly	meter/regulator
						assembly
B=	Clearance to widow or	36 inches	4 feet (1.2 m)	I=	Clearance to service	36 inches	*b
	door that may be	(91.4 cm)	below or to the		regulator vent outlet or	(91.4 cm)
	opened		side of opening;		oil tank vent
			12 inches
			(30.5 cm)
			above opening			36 inches
C=	Clearance to	*b	*b	J=	Clearance to non-		4 feet (1.2 m)
	permanently closed				mechanical air supply	(91.4 cm)	below or to side
	window				inlet to building or the		of opening; 12
					combustion air inlet to		inches (30.5 cm)
					any other appliance	6 feet	above opening.
D=	Vertical clearance to	*b	*b	K=	Clearance to a		3 feet (.9 m)
	ventilated soffit				mechanical air supply	(1.8 m)	above if within
	located above the				inlet		10 feet (3 m)
	terminal within a						horizontally
	horizontal distance of
	2 feet (.61 m) from the
	center line of the
	terminal					7 feet
E=	Clearance to	*b	*b	L=	Clearance above paved		7 feet
	unventilated soffit				sidewalk or paved	(2.1 m)†	(2.1 m)†
					driveway located on
					public property	12 inches (30.5 cm)‡
F=	Clearance to outside	*b	*b	M=	Clearance under a		*b
	corner				veranda, porch, deck, or
					balcony
G=	Clearance to inside	36 inches	36 inches
	corner	(91.4 cm)*a	(91.4 cm)*a

1In accordance with the current CAN/CGA-B149 Installation Codes.

2In accordance with the current ANSI Z223.1-(Latest Edition)/NFPA 54 National Fuel Gas Code.

†A vent shall not terminate directly above a sidewalk or paved driveway that is located between two single-family dwellings and serves both dwellings.

‡ Permitted only if a veranda, porch, deck or balcony is fully open on a minimum of two sides beneath the floor. *a) A minimum clearance value determined by testing in accordance with section 2.20.

*b) “Clearance in accordance with local installation codes and the requirements of the gas supplier”.

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