PART 1

INSTRUCTIONS Using the information and examples present in class and in the textbook (Table 19.8), answer the questions below for the following scenarios. Water Heater Size for the following:

A Single Family House with: Three (3) bedrooms and One and one-half (1) Bathrooms

• Gas _____________ Storage Gallons _____________ Input, 1000 BTU/Hr _____________ 1-Hour Draw, Gallons _____________Recovery, GPH
• Electric _____________ Storage Gallons _____________Input, Kilowatts, kW _____________ 1-Hour Draw, Gallons _____________ Recovery, GPH

Five (5) bedrooms and Three (3) Bathrooms

• Gas _____________ Storage Gallons _____________ Input, 1000 BTU/Hr _____________ 1-Hour Draw, Gallons _____________Recovery, GPH
• Electric _____________ Storage Gallons _____________Input, Kilowatts, kW _____________ 1-Hour Draw, Gallons _____________ Recovery, GPH

PART 2

Find Water Heater for one (1) of the above four (4) configurations by searching the internet for manufacturer's literature (e.g., A.O. Smith, American Water Heater Company, Bradford White, General Electric, Rheem, etc.). Provide a comparison of the Table 19.8 requirements and the capabilities of the selected Water Heater.

Water Heater _________________________(Bedrooms/Bathrooms)

Type __________________________(Energy Type)

Needed

_____________ Storage Gallons

_____________ Input, 100 BTU/Hr

_____________ Input, Kilowatts, kW

_____________ 1-Hour Draw, Gallons

_____________ Recovery, GPH

Manuf./Model:

_____________ Storage Gallons

_____________ Input, 100 BTU/Hr

_____________ Input, Kilowatts, kW

_____________ 1-Hour Draw, Gallons

_____________ Recovery, GPH

TABLE 19.8 HUD-FHA Minimum Water Heater Capacities, Residential PART A. I-PUNITS Number of Bedrooms 1 3 3 4 3 4 5 6 Number of Bathy 1-15 Gas" Storage, Ou 20 30 40 Input. 1000 Bhuh 36 36 1-h draw. gal 43 90 Recovery, goh Electric Storage, gal 40 66 Input. kw 45 in 1-hdraw, gal Recovery, gah 10 OF Storage, ON 10 10 30 30 Input, LW 70 70 70 TO 70 70 1-h draw. gal 89 89 Recovery. gph 59 Tent-ope direct I -W-H-rated draw, gal in 66 66 66 66 66 3 h. 10OF rise Manufacturer-rated draw, 75 75 75 75 75 75 Tank capacity, pal 82 I W H-rated draw, gom. 2.75 2 75 3.25 3.250 9.75 3.75 3.75 375 3.75 Manufacturer-rated draw, 15 15 25 35 25 35 35 35 cal in 5 min, loop me PART B. SI UNITS Storage, L 76 114 114 114 150 190 150 190 190 150 Input. KW -10.5 105 105 10.5 11.1 13.8 11.1 11.1 138 14.6 1-hi draw. L 163 727 765 341 273 31 1 350 Recovery, mLA 24 32 42 34 42 Storage, L 76 150 250 190 250 300 Input. KW 3.5 45 45 5.5 55 55 155 1-h draw. L 114 167 720 273 334 273 Recovery. mik 10 15 19 Storage, L 1 14 114 114 114 114 114 1 14 Input, kiv 205 20.5 205 205 20.5 205 20,5 1-h draw, L LEF 337 LEE Recovery, mik 62 62 162 Tank top indirect I -W H.rated draw, Lin Th, 150 2607 250 250 250 55 K me Manufacturer-rated draw, 106 1:86 2:84 28F 2:84 284 284 Lingh. 55 K Tank capacity. L 750 250 250 250 310 250 310 310 310 I-W-H-raled draw, mis, 170 170 200 200% 240 200 240 55 K me Manufacturer-rated draw. 57 57 133 133 133 Lin'S min, SS K reg