Rheem PTG53-(PVN)(PVP)(XN)(XP) Installing the water heater, Horizontal Vent Terminal Location

Installing the water heater:

D

	E
V	B
	V
L

G

v

A

	C
v	FIXED
	ED
	OS
	CL
	LE
	AB
	ER
	OP
v
F
	B

H

			B	v
B			D
			FIXE
			SED
		RABLE	CLO
		OPE
	v
B		v		X
	B	A	J

I

v	X
	K
M

V

VENT TERMINAL X AIR SUPPLY INLET AREA WHERE TERMINAL IS NOT PERMITTED

Horizontal Vent Terminal Location

The following information should be used for determining the proper location of the vent terminal for indoor and outdoor tankless water heaters.

		Canadian Installations 1	US Installations 2	US Installations 2
		Indoor and Outdoor	Indoor	Outdoor
A=	Clearance above grade, veranda,	12 inches (30 cm) above anticipated	12 inches (30 cm) above anticipated	12 inches (30 cm) above anticipated
	porch, deck or balcony.
		snow level.	snow level.	snow level.
B=	Clearance to window or door that	6 inches (15 cm) for appliances < 10,000		6 inches (15 cm) for appliances <
	may be opened.			10,000 Btuh (3 kW), 9 inches (23 cm)
		Btuh (3 kW), 12 inches (30 cm) for	4 feet (1.2 m) below or to side of
				for appliances > 10,000 Btuh (3kW)
		appliances > 10,000 Btuh (3kW) and <	opening; 1 foot (300 mm) above
				and < 50,000 Btuh (15kW), 12 inches
		100,000 Btuh (30kW), 36 inches (91 cm)	opening.
				(30 cm) for appliances > 50,000 Btuh
		for appliances > 100,000 Btuh (30kW).
				(15kW).
C=	Clearance to permanently closed	*	*	*
	window.
D=	Vertical Clearance to ventilated
	soffit located above the terminal
	within a horizontal distance of 2	*	*	*
	feet (61 cm) from the center line
	of the terminal.
E=	Clearance to unventilated soffit.	*	*	*
F=	Clearance to outside corner.	*	*	*
G=	Clearance to corner.	*	*	*
H = Clearance to each side of center		3 feet (91 cm) within a height 15 feet
	line extended meter/regulator		*
		(4.57 m) above the meter/regulator		*
	assembly. above
		assembly.
I =	Clearance to service regulator vent	3 feet (91 cm)	*	*
	outlet.
J =	Clearance to nonmechanical air	6 inches (15 cm) for appliances <		6 inches (15 cm) for appliances < 10,000
	supply inlet to the combustion air	10,000 Btuh (3 kW), 12 inches (30 cm)
			4 feet (1.2 m) below or to side of	Btuh (3 kW), 9 inches (23 cm) for
	inlet to any building or other	for appliances > 10,000 Btuh (3kW)
			opening; 1 foot (300 mm) above	appliances > 10,000 Btuh (3kW) and <
	appliance.	and < 100,000 Btuh (30kW), 36 inches
			opening.	50,000 Btuh (15kW), 12 inches (30 cm)
		(91 cm) for appliances > 100,000 Btuh
				for appliances > 50,000 Btuh (15kW).
		(30kW).
K =	Clearance to mechanical air	6 feet (1.83 m)	3 feet (91 cm) above if within 10 feet	3 feet (91 cm) above if within 10 feet
	supply inlet.		(3 m) horizontally.	(3 m) horizontally.
L =	Clearance above paved sidewalk
	or paved driveway located on	Not Allowed	Not Allowed	Not Allowed
	public property.
M = Clearance under veranda, porch,		Not Allowed	Not Allowed	Not Allowed
	deck or balcony.

*If clearances are not specified, then follow local installation codes and the requirement of the gas supplier.

**For condensing appliances: The vent for this appliance shall not terminate over public walkways, near soffit vents, crawl space vents, or other areas where condensate or vapor could create a nuisance, hazard or cause property damage, or where condensate or vapor could cause damage

12 or could be detrimental to the operation of regulators, relief valves or other equipment.