PSD-3-443/c
COMMERCIAL WATER HEATER PARTS LIST
MODEL BTH-300A
SERIES 970/971
POWEREDANODEASSEMBLY
See Page 8
MODEL BTH-400A
SERIES 970
OPERATINGCONTROLWIRING
See Page 4
CYCLONEXHE-MODELBTH-300A/400A
See Page 2
GAS VALVE
See Page 5
RECIRCULATINGSYSTEM
See Page 5
BLOWER/BURNERASSEMBLY
See Page 7
EXHAUST ELBOW, VENT KIT & BLOWER
INTAKEPARTS
CONTROLPANEL
See Page 3
6
PRINTEDINU.S.A.0604
195788-001
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CYCLONE XHE BTH 300A/400A - PARTS LIST
BTH 300A
970/971
BTH 400A
970/971
Item Description
1
2
3
4
5
7
CleanoutGasket.............. 99038............ 99038
Cover,Cleanout ............... 99037............ 99037
Cover,Left ...................... 194748 .......... 194748
Cover,Right .................... 194749 .......... 194749
DrainValve ..................... 26273-4 ........ 26273-4
Labels:
800 Help Line ................. 190600 .......... 190600
C.E.C. ............................. 42985............ 42985
Cleanout .......................... 78754............ 78754
ECO .............................. 192282-1 ...... 192282-1
ElectronicIgnition ............ 77860............ 77860
FlammableVapors ......... 193302 .......... 193302
Lighting&Operating ....... 194548 .......... 194548
ReliefValve..................... 191068 .......... 191068
UL................................... 192870 .......... 192870
Ultra Coat ....................... 193860 .......... 193860
Warning .......................... 193912 .......... 193912
Water Inlet ....................... 94519............ 94519
Water Outlet .................... 94518............ 94518
WiringDiagram ............... 194772 .......... 194772
Panel, Back.................... 194750 .......... 194750
Temperatureand
8
9
PressureReliefValve...... 99383-3 ........ 99383-3
NOTE: Underlined parts are recommended
stock items for emergency replacement.
Consider gas used in your area only.
*Not illustrated.
Standard hardware items may be
purchased locally.
2
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CYCLONE XHE BTH 300A/400A - CONTROL PANEL
BTH300A
970/971
BTH400A
970/971
Item
1
2
Description
Board, Display Panel ............................ 194808............ 194808
Bracket, Mounting Left ......................... 194123-1 ......... 194123-1
Bracket, Mounting Right........................ 194123............ 194123
Control Board, Cable Assembly
3
(includes 4 & 4A) .................................. 194811............ 195018
Control Board..................................... 194812............ 195010
Cable Assembly ................................ 194809............ 194809
Junction Box Assembly ........................ 194126............ 194126
JunctionBoxCover ................................. 2233 ............... 2233
Label, Display Pan
Label, Led ...........
Panel Front .........
Screw, Plastic.....
Switch,Off/On......
4
4A
5
6
7
8
9
10
11
CYCLONE XHE BTH 300A/400A - OPERATING CONTROLS & WIRING (See Next Page)
BTH 300A
970/971
BTH 400A
970/971
Item Description
1
2
3
4
5
7
8
9
10
Cable Assembly, Power Switch ..................................................................194785............ 194785
BlowerProverAirSwitch .............................................................................194706............ 195013
Box, Anode .................................................................................................194857............ 194857
Box, Junction ..............................................................................................194126............ 194126
Cable Assembly, Low Voltage ....................................................................194918............ 194918
Wire Harness ..............................................................................................194783............ 194783
Cable, Assembly - Controls ........................................................................194784............ 194784
Wire Assembly - Air Flow Switch.............................................................. 192802-2 ......... 192802-2
Wire Assembly - Air Flow Switch............................................................. 192802-1 ......... 192802-1
Control Board, Cable Assembly (Includes Item 11 & 11A) ..........................194811............ 195018
Control Board...........................................................................................194812............ 195010
Cable Assembly ......................................................................................194809............ 194809
DisplayBoard .............................................................................................194808............ 194808
ElectronicControl .......................................................................................194747............ 194747
Probe,Upper ...............................................................................................196597............ 196597
Probe,Lower ...............................................................................................196598............ 196598
Switch, Blocked Inlet ..................................................................................194911............ 195012
Switch, Blocked Outlet - NAT .....................................................................194910............ 194910
Switch, Blocked Outlet - LP........................................................................195017............ 195017
Pump,Recirculation....................................................................................194799............ 194799
Switch,On/Off.............................................................................................193243............ 193243
Switch, NAT, Low Gas Pressure............................................................. 191149-6 ......... 191149-6
Switch, LP ,Low Gas Pressure ................................................................. 191149-4 ......... 191149-4
Transformer .................................................................................................192608............ 192608
Valve,NaturalGas .................................................................................... 194536-5 ......... 194536-5
Valve, LP Gas ........................................................................................... 194536-6 ......... 194536-6
Tubing, 1/4" ID, PVC ...................................................................................193738............ 193738
CableAssembly, Igniter ..............................................................................194937............ 194937
11
11A
12
13
14
15
16
17
18
19
20
21
22
22
23
24
3
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