COMMERCIAL WATER HEATER PARTS LIST
Model BTH-300A
Model BTH-400A
POWERED ANODE ASSEMBLY
See Page 7
Series 976/977
OPERATING CONTROL WIRING
See Page 3- 4
CYCLONE XHE - MODEL BTH-300A/400A
See Page 2
BLOWER/BURNER ASSEMBLY
See Page 5
GAS VALVE
See Page 5
CONTROL PANEL
See Page 3
EXHAUST ELBOW, VENT KIT & BLOWER
INTAKE PARTS
See Page 6
PRINTED IN U.S.A. 0606
PART NO. 197177-002
CYCLONE XHE BTH 300A/400A - PARTS LIST
BTH 300A
976/977
BTH 400A
976/977
Item Description
1
2
3
Cleanout Gasket ........ 9004099015 ....... 9004099015
Cover, Cleanout ......... 9004098005 ....... 9004098005
Temperature and
Pressure Relief Valve... 9005903205 ....... 9005903205
Standard hardware items may be
purchased locally.
2
CYCLONE XHE BTH 300A/400A - OPERATING CONTROLS & WIRING (See Next Page)
BTH 300A
976/977
BTH 400A
976/977
Item Description
1
2
Switch, On/Off ....................................................................................... 9005929215 ... 9005929215
VFD & Control Assembly ..............................................................................------.......... 9006081205
Transformer........................................................................................... 9004515205 ... 9004515205
Probe, Upper ......................................................................................... 9004238215 ... 9004238215
Probe, Lower ......................................................................................... 9004241215 ... 9004241215
Display Board ........................................................................................ 9004593205 ... 9004593205
Cable Assembly .................................................................................... 9006082215 ... 9006082215
Switch, Blocked Inlet ............................................................................. 9006083215 ... 9006006215
Blower Prover Air Switch ....................................................................... 9004586215 ... 9006002215
Switch, Natural Low Gas Pressure ........................................................ 9006084215 ... 9006084215
Switch, LP Low Gas Pressure ............................................................... 9004474215 ... 9004474215
Valve, Natural Gas ................................................................................ 9006085205 ... 9006085205
Valve, LP Gas ....................................................................................... 9006086205 ... 9006086205
Switch, Blocked Outlet .......................................................................... 9006087215 ... 9006088215
Tubing, 1/4" ID, PVC ............................................................................. 9006089215 ... 9006089215
3
4
5
6
7
8
9
10
10
11
11
12
13
3
CYCLONE XHE BTH 300A/400A - CONNECTIONS (Continued)
4
GAS VALVE
BTH 300A
976/977
BTH 400A
976/977
Item Description
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