Component Disassembly

Sensor Resistance at Various Temperatures

In Degrees F

 

 

 

 

 

 

 

 

 

 

 

°F

0

1

2

3

4

5

6

7

8

9

 

 

 

 

 

 

 

 

 

 

 

40

26109

25400

24712

24045

23399

22771

22163

21573

21000

20445

 

 

 

 

 

 

 

 

 

 

 

50

19906

19383

18876

18383

17905

17440

16990

16553

16128

15715

60

15314

14925

14548

14180

13823

13477

13140

12812

12494

12185

 

 

 

 

 

 

 

 

 

 

 

70

11884

11592

11308

11032

10763

10502

10248

10000

9760

9526

80

9299

9078

8862

8653

8449

8250

8057

7869

7685

7507

90

7333

7165

7000

6839

6683

6531

6383

6238

6098

5961

 

 

 

 

 

 

 

 

 

 

 

100

5827

5697

5570

5446

5326

5208

5094

4982

4873

4767

 

 

 

 

 

 

 

 

 

 

 

110

4663

4562

4464

4368

4274

4183

4094

4006

3922

3839

120

3758

3679

3602

3527

3453

3382

3312

3244

3177

3112

 

 

 

 

 

 

 

 

 

 

 

130

3048

2986

2925

2866

2808

2752

2697

2643

2590

2538

 

 

 

 

 

 

 

 

 

 

 

140

2488

2439

2391

2344

2298

2253

2209

2166

2124

2083

150

2043

2004

1966

1928

1891

1856

1820

1786

1753

1720

 

 

 

 

 

 

 

 

 

 

 

160

1688

1656

1625

1595

1566

1537

1509

1481

1454

1427

 

 

 

 

 

 

 

 

 

 

 

170

1402

1376

1351

1327

1303

1280

1257

1235

1213

1191

 

 

 

 

 

 

 

 

 

 

 

180

1170

1150

1129

1110

1090

1071

1053

1035

1017

999

190

982

965

949

933

917

901

886

871

857

842

 

 

 

 

 

 

 

 

 

 

 

200

828

814

801

788

775

762

749

737

725

713

 

 

 

 

 

 

 

 

 

 

 

Gas Control & Thermal Well Removal From Water Heater

Step 1. Move the gas control power switch to the “OFF” po- sition.

Gas control power

switch

Step 2. Unplug the water heater from the wall outlet.

TTW (water heater)

power cord

Step 3. Drain the water heater to a point below the gas control level.

Step 4. Turn off the gas supply to the water heater and disconnect the gas piping from the gas control.

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36

Page 36
Image 36
Bradford-White Corp U4TW50T*FRN, U4TW40T*FRN, U4TW60T*FRN Component Disassembly, Sensor Resistance at Various Temperatures