Whirlpool Indirect-Fired Water Heater User Manual

1

Average Gallons of

Times Used During

Gallons Used in

Use

Hot Water per Usage

One Hour

One Hour

Shower

20

x _____________

=    _____________

Bath

20

x _____________

=    _____________

Shaving

2

x _____________

=    _____________

Hands and Face Washing

4

x _____________

=    _____________

Hair Shampoo

4

x _____________

=    _____________

Hand Dish Washing

4

x _____________

=    _____________

Automatic Dish Washing

14

x _____________

=    _____________

Food Preparation

5

x _____________

=    _____________

Wringer Clothes Washer

26

x _____________

=    _____________

Automatic Clothes Washer

32

x _____________

=    _____________

Total Peak Hour Demand =   _____________

1. The following guidelines apply to residential systems only. For commercial or institutional installations contact

your local PB Heat, LLC representative.

2. Determine the quantity of domestic hot water required. Factors to consider:

a. Estimate typical peak hour demand. Determine the general time of day (morning, noon, evening) when the

most hot water is used. Use chart below to determine potential maximum usage.

b. Estimate unusual peak draw demand. Whirlpool baths, hot tubs, and multiple head showers require

large quantities of hot water in a short period of time. Contact fixture manufacturer for quantity of water
required. Generally speaking, these circumstances can only be met with larger storage volumes.

c. Domestic Water Temperature. Most residential usage will be satisfied with 119°F water, the temperature

setting recommended by the Consumer Product Safety Commission. Some applications such as laundry
and dishwashers may require a higher temperature.

Ratings can be improved by increasing Peerless

®

Partner

®

thermostat setting and using a mixing valve to

temper the hot water to the proper temperature. When temperatures greater than 119°F are required, use
a mixing valve at the outlet of the water heater or anti-scald fittings at point of use.