Bradford-White Corp Electric Instantaneous Water Heaters Flow Chart, Suggested Specification

Electric Instantaneous Water Heaters

Suggested Specification:

Instantaneous Water Heater shall be a Bradford White Model __________ with __________kW, _________vac ______________

to heat ________GPM @ a temperature rise of __________ degrees F. Unit shall have ABS UL 94 Vo rated cover. Heater body

and element shall be glass reinforced UDEL.† Element shall be replaceable cartridge insert. Unit shall have a replaceable filter in the inlet connector. Element shall be iron free, nickel-chrome material. Heater shall be fitted with 1/2" compression nuts and sleeves to eliminate need for soldering. Maximum operating pressure of 150 psi. Hot water storage tanks prohibited. Unit shall be Bradford White or approved equal.

Note: All models are Single Phase except the Thermostatic Three Phase (3 Module) Models.

Kwickshot models are not recommended for Space Heating Applications.

No chemicals shall be added to the Kwickshot models: Potable Water Only.

U.S. Patent No.’s: 4,762,980 and 4,960,976 UL Patent #'s 4,762,980 and 4,960,976. UL Listed: E197168

- Only for 240 Volt and below Single Phase Models

Typical Flow Rates in Gallons per Minute (gpm)

Fixture	Lavatory	Bathtub	Shower	Kitchen	Pantry	Laundry	Dishwasher
Type				Sink	Sink	Sink
Flow	0.5	2.0-4.0	1.5-4.0	1.0-1.5	1.5-2.5	2.5-3.0	1.0-3.0
Rates

	FLOW CHART				POWER REQUIRED-kW
	10	29.34kW	44kW	58.6kW	73.2kW
GPM	9	26.4kW	39.5kW	52.7kW	65.9kW	82kW
	8	23.4kW	35.1kW	49.9kW	58.6kW	70.3kW	82kW
	7	20.5kW	30.7kW	41kW	51.2kW	61.5kW	71.5kW	79kW
	6	17.6kW	26.4kW	35.1kW	44kW	52.7kW	61.5kW	70.3kW	79kW
	5	14.6kW	22kW	29kW	37kW	44kW	51.2kW	58.6kW	65.9kW	73.2kW
	4	11.7kW	17.6kW	23.4kW	29kW	35.1kW	41kW	46.9kW	52.7kW	58.6kW	64.4kW
	3	8.8kW	13.0kW	17.6kW	22kW	26.4kW	30.7kW	35.1kW	39.5kW	44kW	48.3kW
	2	5.8kW	8.8kW	11.7kW	14.6kW	17.6kW	20.5kW	23.4kW	26.4kW	29.3kW	32.2kW
	1	3.0kW	4.4kW	5.8kW	7.3kW	8.8kW	10.2kW	11.7kW	13.0kW	14.6kW	16.1kW
	1/2	—	—	3.0kW	3.6kW	4.4kW	5.1kW	5.8kW	6.5kW	7.3kW	8kW
		20˚F	30˚F	40˚F	50˚F	60˚F	70˚F	80˚F	90˚F	100˚F	110˚F
					Temperature Rise		- ˚F

FORMULAS

Flow Rate, (GPM) =		kW rating x 6.83
		rise in temp. (°F)
Rise in Temp. (°F) =		kW rating x 6.83
		rise in temp. (°F)
kW Rating =	GPM x rise in temp.
	6.83

Ambler, PA

For U.S. and Canada field service, contact your professional installer or local Bradford White sales representative.

Sales 800-523-2931 ● Fax 215-641-1670 / Technical Support 800-334-3393 ● Fax 269-795-1089 ● Warranty 800-531-2111 ● Fax 269-795-1089

International: Telephone 215-641-9400 ● Telefax 215-641-9750 / www.bradfordwhite.com

Sales / Technical Support 866-690-0961 /905-238-0100 ● Fax 905-238-0105 /www.bradfordwhite.com

©2008, Bradford White Corporation. All rights reserved.

217-B-1108-A Printed in U.S.A.