EXCHANGER AREA

2

471991

 9764910 ALL

Return header

3

471622

 -------- ALL

Bolt, heat exchanger - 16 Required - ( 8 per header )

4

072184

 -------- ALL

Washer 3/8" ID 1" OD - 16 Required - ( 8 per header )

5

070951

 9764198 ALL

Tube seal gasket - 18 Required - ( 9 per side )
 Included with exchanger

15

473605

 9764962 ALL

tooltipPressure switch - Tecmark # 4152P-DD

19

471750

 9764942 ALL

Flow valve assy.

20

471587

 9764934 ALL

Hi-Limit thermostat 115°

21

471441

 9764922 ALL

Adaptor - bulkhead, 2 in. - 2 Required

22

274440

 9764926 ALL

Adaptor - bulkhead ring - 2 Required

23

471993

 -------- ALL

Main manifold upper assy.

24

471992

 9764914 ALL

In/out main header assembly -
Includes # 19, # 23, # 25, # 26
& Thumb Screw Drain Plug ( Plug not shown on breakdown )

25

471419

 -------- ALL

Main manifold bottom

26

471420

 9764918 ALL

Cap, main manifold bottom

27

471694

 9764938 ALL

Hi-Limit thermostat 150°

28

472131

 9764242 150

Heat exchanger - ( without heads ) - SPECIAL ORDER
 Includes Baffles and Tube Seal Gaskets

28

472132

 9764244 200

Heat exchanger - ( without heads ) - SPECIAL ORDER
 Includes Baffles and Tube Seal Gaskets

28

472133

 9764246 250

Heat exchanger - ( without heads ) - SPECIAL ORDER
 Includes Baffles and Tube Seal Gaskets

28

472134

 9764248 300

Heat exchanger - ( without heads ) - SPECIAL ORDER
 Includes Baffles and Tube Seal Gaskets

28

472135

 9764250 350

Heat exchanger - ( without heads ) - STOCKED
 Includes Baffles and Tube Seal Gaskets

28

472136

 9764252 400

Heat exchanger - ( without heads ) - STOCKED
Includes Baffles and Tube Seal Gaskets

28

472169

 -------- 150

Heat exchanger - ( WITH Heads )

28

472168

 -------- 200

Heat exchanger - ( WITH Heads )

28

472167

 -------- 250

Heat exchanger - ( WITH Heads )

28

472166

 -------- 300

Heat exchanger - ( WITH Heads )

28

472165

 -------- 350

Heat exchanger - ( WITH Heads )

28

472164

 -------- 400

Heat exchanger - ( WITH Heads )

29

070277

 9764297 150

Baffle - 8 Required
 Included with exchanger

29

075559

 9764298 200

Baffle - 8 Required
 Included with exchanger

29

070276

 9764299 250

Baffle - 8 Required
 Included with exchanger

29

075560

 9764300 300

Baffle - 8 Required
 Included with exchanger

29

070277

 9764297 350

Baffle - 16 Required
 Included with exchanger

29

070278

 9764302 400

Baffle - 16 Required
 Included with exchanger

VENTING

1

460227

 2230901 150

Vent kit assy. ( indoor ) - DISCONTINUED

1

460228

 2230904 200

Vent kit assy. ( indoor ) - DISCONTINUED

1

460230

 2230907 250

Vent kit assy. ( indoor ) - DISCONTINUED

1

460231

 2230910 300

Vent kit assy. ( indoor ) - DISCONTINUED

1

460233

 2230913 350

Vent kit assy. ( indoor ) - DISCONTINUED

1

460234

 2230916 400

Vent kit assy. ( indoor ) - DISCONTINUED

1a

460237

 2230925 150

Vent kit assy. ( Outdoor ), High Wind - DISCONTINUED

1a

460222

 2230931 200

Vent kit assy. ( Outdoor ), High Wind - DISCONTINUED

1a

460223

 2230936 250

Vent kit assy. ( Outdoor ), High Wind - DISCONTINUED

1a

460224

 2230941 300

Vent kit assy. ( Outdoor ), High Wind - DISCONTINUED

1a

460225

 2230946 350

Vent kit assy. ( Outdoor ), High Wind - DISCONTINUED

1a

460226

 2230951 400

Vent kit assy. ( Outdoor ), High Wind - While Supplies Last

30

073810

 -------- ALL

Baffle hold down -  ( 2 ) baffles on 400 - others just ( 1 )

31

073864

 -------- 150

Flue collector

31

075622

 -------- 200

Flue collector

31

073863

 -------- 250

Flue collector

31

075623

 -------- 300

Flue collector

31

075624

 -------- 350

Flue collector

31

073862

 -------- 400

Flue collector

31a

470024

 -------- 150

Inner top

31a

470025

 -------- 200

Inner top

31a

470026

 -------- 250

Inner top

31a

470027

 -------- 300

Inner top

31a

470028

 -------- 350

Inner top

31a

470029

 -------- 400

Inner top

32

470471

 -------- 150

Outdoor top assy.

32

470472

 -------- 200

Outdoor top assy.

32

470473

 -------- 250

Outdoor top assy.

32

470474

 -------- 300

Outdoor top assy.

32

470475

 -------- 350

Outdoor top assy.

32

470476

 -------- 400

Outdoor top assy.
CABINET & CONTROLS

6

470184

 7417280 ALL

Thermostat knob - 2 required

7

470186

 7464120 ALL

Switch rocker ( single pole & double throw )

8

472175

 -------- 150

Control panel assy. ( complete ) - Millivolt

8

472174

 -------- 200

Control panel assy. ( complete ) - Millivolt

8

472173

 -------- 250

Control panel assy. ( complete ) - Millivolt

8

472172

 -------- 300

Control panel assy. ( complete ) - Millivolt

8

472171

 -------- 350

Control panel assy. ( complete ) - Millivolt

8

472170

 -------- 400

Control panel assy. ( complete ) - Millivolt

9

075468

 -------- 150

Door - Millivolt

9

075604

 -------- 200

Door - Millivolt

9

075488

 -------- 250

Door - Millivolt

9

075605

 -------- 300

Door - Millivolt

9

075606

 -------- 350

Door - Millivolt

9

075490

 -------- 400

Door - Millivolt

17

075459

 9764408 ALL

Presslite igniter assy.

18

471678

 9764166 ALL

Potentiometer - 2 required

33

075783

 -------- 150

Lightback shield ( Propane Gas units only )

33

075784

 -------- 200

Lightback shield ( Propane Gas units only )

33

075785

 -------- 250

Lightback shield ( Propane Gas units only )

33

075786

 -------- 300

Lightback shield ( Propane Gas units only )

33

075787

 -------- 350

Lightback shield ( Propane Gas units only )

33

075788

 -------- 400

Lightback shield ( Propane Gas units only )

34

471677

 9764725 ALL

tooltipElectronic thermostat ( Millivolt models ) - ( Black Box )
Includes 2 Potentiometers mounted on bracket. The Black Box is no longer available separately.tooltip

35

073789

 -------- ALL

Panel (return)

36

472127

 -------- ALL

Panel (in/out)

37

472101

 9764928 ALL

Thermistor ( probe ) complete ( Millivolt models )
COMBUSTION

10

070256

 -------- 150

Manifold burner

10

075525

 -------- 200

Manifold burner

10

070257

 -------- 250

Manifold burner

10

075526

 -------- 300

Manifold burner

10

075527

 -------- 350

Manifold burner

10

070258

 -------- 400

Manifold burner

11

075457

 9764394 ALL

tooltipGas valve natural - Millivolt - Honeywell - 3/4" x 3/4"

11

075458

 9764401 ALL

Gas valve propane - Millivolt - ( special order )

12

076084

 -------- 150

Pilot tube - Millivolt

12

076084

 -------- 200

Pilot tube - Millivolt

12

076085

 -------- 250

Pilot tube - Millivolt

12

076085

 -------- 300

Pilot tube - Millivolt

12

076086

 -------- 350

Pilot tube - Millivolt

12

076086

 -------- 400

Pilot tube - Millivolt

13

075493

 -------- 150

Burner tray assy. natural ( complete ) Millivolt  Note 'C'

13

075496

 -------- 200

Burner tray assy. natural ( complete ) Millivolt  Note 'C'

13

075494

 -------- 250

Burner tray assy. natural ( complete ) Millivolt  Note 'C'

13

075497

 -------- 300

Burner tray assy. natural ( complete ) Millivolt  Note 'C'

13

075498

 -------- 350

Burner tray assy. natural ( complete ) Millivolt  Note 'C'

13

075495

 -------- 400

Burner tray assy. natural ( complete ) Millivolt  Note 'C'

13

075502

 -------- 150

Burner tray assy. propane ( complete ) Millivolt  Note 'C'

13

075505

 -------- 200

Burner tray assy. propane ( complete ) Millivolt  Note 'C'

13

075503

 -------- 250

Burner tray assy. propane ( complete ) Millivolt  Note 'C'

13

075506

 -------- 300

Burner tray assy. propane ( complete ) Millivolt  Note 'C'

13

075507

 -------- 350

Burner tray assy. propane ( complete ) Millivolt  Note 'C'

13

075504

 -------- 400

Burner tray assy. propane ( complete ) Millivolt  Note 'C'

14

070230

 -------- note 'A'

Burner - ( 50,000 BTU's per burner ) -  Note 'A'

14a

470550

 -------- note 'A'

Burner with pilot bracket ( not shown ) -  Note 'A'

PARTS NOT SHOWN

-

071131

 9760613 ALL

tooltipThumb Screw Drain Plug - less o-ring on In/Out Header
( same drain plug which is on Whisperflo pumps )

-

-----------

 9760053 ALL

O-Ring for Thumb Screw Drain Plug on In/Out Header

-

070715

 -------- ALL

Plastic mounting bracket

-

471277

 -------- ALL

Clips for wire harness

-

075511

 9764436 ALL

Wire Kit - Millivolt - Special Order

-

071703

 -------- ALL

Screw 8 x 1/4" HH

-

071698

 -------- ALL

Screw 8 x 1/2" HH

-

071716

 -------- ALL

Screw 6 x 1/4"

-

071659

 -------- ALL

Screw 10 -32 x 1/4"

-

075692

 -------- ALL

Screw 10-32 x 3/16

-

070551

 -------- ALL

Bushing 1/2"

-

470414

 -------- ALL

Therm knob stopper - 2 Required

-

073725

 -------- ALL

Bolt 5/16" - 18 x 3/4' - 2 Required

-

CALL

 -------- note 'B'

Orifice main burner -  Note 'B'

-

471292

 9764142 ALL

tooltipPilot - natural - Millivolt

-

471291

 9764141 ALL

tooltipPilot - propane - Millivolt

-

071515

 9764653 ALL

tooltipPilot - generator - Q313A w/clip

-

075173

 9764289 ALL

tooltipThermal cutoff - fusible link

-

470178

 9764282 ALL

Power element - ( is included with flow-valve )

-

471293

 -------- ALL

Pilot rainshield

-

471328

 -------- ALL

Pilot electrode (only)

-

074540

 -------- ALL

"L" brackets

-

471271

 -------- ALL

Bracket adapter Q379 pilot, MV

-

072253

 -------- ALL

Jumper

-

071240

 -------- ALL

Door latch

 

     Last Update -  November, 2015            H2Oco.com