A.O. Smith AOSRG45900 warranty Residential Gas Water Heaters, Closed Combustion Power Direct-Vent

Residential Gas Water Heaters

CLOSED COMBUSTION

POWER DIRECT-VENT

	FIRST			BTU	RECOVERY				DIMENSIONS IN INCHES					APPROX.
MODEL	HOUR	ENERGY	GAL.	INPUT	90ºF RISE	R								SHIPPING
NUMBER	RATING	FACTOR	CAP.	PER HOUR	GALLONS	VALUE*	A	B	C	D	E	F	BLOWER	WEIGHT
	GALLONS			NATURAL†	PER HOUR								OUTLET	(LBS)
GPD-40	70	.60	40	40,000	41	16	57	48-1/2	21	15	8	42	3	224
GPD-50	87	.59	50	40,000	41	16	66	57-1/2	21	15	8	51	3	232
GPDX-50	105	.58	50	65,000	64	16	69-1/2	61	21	15	8	54-1/2	3	232
GPD-75	130	.58	75	70,000	72	16	71-1/2	61-1/2	26-1/4	15-1/2	8	54-3/4	3	300

GPDX-50 is supplied with 5’ of 3” ABS vent pipe and must be used for the first 5’ of the exhaust outlet vent system.

GPD-75 is supplied with 5’ of 3” CPVC vent pipe and must be used for the first 5’ of the exhaust outlet vent system.

Recovery capacity based on actual performance tests.

Water connections, 3/4" on all models.

†Propane inputs/recoveries: GPD-40: 36,000BTU/37GPH GPD-50: 38,000BTU/39GPH GPDX-50: 60,000BTU/59GPH GPD-75: 65,000BTU/67GPH

*R Value shown is “performance rated.”

IMPORTANT: VENTING AND COMBUSTION AIR REQUIREMENTS

Read and follow requirements shown in the Installation Manual for ProMax® Power Direct-Vent Gas water heaters dealing with type, placement and length of vent pipe and vent termination, as well as clearances required to provide

C

E

4"

adequate combustion and proper ventilation.

IMPORTANT:

SEE INSTALLATION MANUAL FOR COMBUSTION AIR AND VENTING SYSTEM REQUIREMENTS FOR POWER DIRECT-VENT WATER HEATERS

OPTIONAL (DELUXE) ROUND HORIZONTAL

VENT TERMINATION KIT

Part Number 9002749

11.5" MIN.

FROM TOP OF HEATER TO CENTER LINE OF FLUE

1/2" GAS CONNECTION

3" VENT

F B A

OPTIONAL (DELUXE) SQUARE HORIZONTAL VENT TERMINATION KIT

Part Number 9003328

D

Maximum hydrostatic working pressure: 150 psi

For Technical Information and Automated Fax Service, call 800-527-1953. A.O. Smith Corporation reserves the right to make product changes or improvements without prior notice.

Created October 2008	Page 2 of 2
www.hotwater.com	AOSRG45900