HW2
HW2A
ILLUSTRATED PARTS CATALOG
Designs, materials, weights, specifications, and dimensions for equipment or replacement parts
are subject to change without notice.
BUNN-O-MATIC CORPORATION
POST OFFICE BOX 3227
SPRINGFIELD, ILLINOIS 62708-3227
PHONE: (217) 529-6601 FAX: (217) 529-6644
28888.0001B 05/13 ©2012 Bunn-O-Matic Corporation
TABLE OF CONTENTS
HOUSING AND COVERS .............................................................................................................................................................. 4
TANK AND COMPONENTS ........................................................................................................................................................... 6
STRAINER/FLOW CONTROL ........................................................................................................................................................ 8
LATE MODEL INLET VALVE......................................................................................................................................................... 10
TANK FAUCET ............................................................................................................................................................................ 12
ELECTRICAL AND OPERATING CONTROLS ............................................................................................................................... 14
NUMERICAL INDEX ................................................................................................................................................................... 16
28888.1 062012
3
HW2
HW2A
HOUSING AND COVERS
BUNN®
18
1
5
4
2
3
18
6
W2
N
GREEN
WHI
0W
170
WHI
WHI
R
TIC WIRIL
N
IM
THERMOST
G
IT
DIAGTAR
NK
A
H
M
EA
TEH
T
K
A
BL
K
SCHEMA T
SW
THERMOST
.
&
A
BL
TER
40W
ARM HEA
W
TER
40W
EP
KE
L1
ARM HEA
W
20
EP
KE
K
WHI
WHI
BL
LIQUID
LEVEL
SOL
U
BL
WHI
WHI
4
BOARD
3
2
1
K
P
I
BL
N
W
ROBE)
PIN
(P
FETY
SA
S
PIN
TION
CORPORA
TIC
K
BL
TS
A
C
7
120 VOL
2
WIRE
87 BUNN-O-MA
19
©
3/92
SING0L0ED PHASE
61 .00
102
8
19
9
10
11
12
13
15
16
14
17
P1531.70
28888.1 062012
4
HOUSING AND COVERS
ITEM
PART NO.
QTY.
DESCRIPTION
1
02506.0000
02506.0001
01303.0000
1
1
2
Lid, Top (SST)
Lid, Top (BLK)
Screw, #4-40 x .50"
2
02510.0005
02510.0006
02510.1007
1
1
1
Housing (SST)(Also order item 3)
Housing (BLK)(Also order item 3)
Housing (ST) (Lowered Faucet) (Also order item 20)
3
4
5
00657.0000
00917.0000
1
Decal, BUNN HOT WATER
Clip, "J" Type, #8-32
16
02504.0002
02504.0001
01311.0000
1
1
4
Panel (SST)
Panel (BLK)
Screw, #8-32 x .25"
6
7
28918.0000
28918.0001
01311.0000
1
1
4
Panel W/Decals (SST)(Includes item 8. Also order item 7 for Model HW2)
Panel W/Decals (BLK)(Includes item 8. Also order item 7 for Model HW2)
Screw, #8-32 x .25"
10261.0000
10261.0001*
1
1
Decal, ELECTRICAL SCHEMATIC (120V)
Decal, ELECTRICAL SCHEMATIC (240V)
8
9
00831.0000
1
Decal, ELECTRICAL WARNING
02508.0000
02508.0005
02508.0004
02508.0006
02508.0002*
01311.0000
1
1
1
1
1
4
Panel (SST)(HW2 only. Also order item 10) Early Models w/Tank Mounted Valve
Panel (SST)(HW2 only) Current Style W/.75˝ Hose Fitting. Shown
Panel (BLK)(HW2 only. Also order item 10) Early Models w/Tank Mounted Valve
Panel (BLK) Current Style W/.75˝ Hose Fitting.
Panel (HW2A only)
Screw, #8-32 x .25"
10
11
00656.0000
1
Decal, PLUMBING CODE
02505.0000
02505.0001
01311.0000
1
1
4
Panel (SST)
Panel (BLK)
Screw, #8-32 x .25"
12
13
02507.0001
1
Plate, Bottom
25137.0002
00970.0000
4
4
Foot, Rubber
Nut, KEPS #8-32
14
15
16
17
02497.0000
02546.0000
02545.0000
1
1
1
Drip Tray Kit (Includes items 15 thru 17)
Cover
Drip Tray
02547.0000
04198.0001
4
1
Foot, Rubber (Early models)
Foot Kit, Rubber (Includes 4 Feet)(Late models)
18
19
20
37881.0000
12593.0000
41471.0002
2
1
1
Decal, No Serviceable Parts
Decal, Warning - Hot Water
Decal, Full Front, Low Faucet
28888.1 062012
5
HW2
HW2A
BUNN®
TANK AND COMPONENTS
12
7
9
10 11
15
16
18
17
14
13
22
21
19
20
8
6
5
4
23
3
1
2
P1532
28888.1 062012
6
TANK AND COMPONENTS
ITEM
PART NO.
QTY.
DESCRIPTION
-
- - - - - - - -
00912.0000
01315.0000
01317.0005
1
1
1
1
Tank Assembly (Includes items 1 thru 12) (Not available. Order components)
Clip "J" Type, #8-32 (Early models only)
Screw, #8-32 x .375" SST
Screw, #8-32 x .375" Blk
1
2
3
02515.0007
02515.1008
1
1
Tank (Standard)
Tank (Lowered Faucet)
02575.0000
01929.0000
2
2
Blanket Warmer,120V (HW2 0nly)
Blanket Warmer,240V (HW2A 0nly)
02534.1000
02494.1000
38994.1000
1
1
1
Tank Heater Kit, 120V 1700W (HW2) (Includes item 4)
Tank Heater Kit, 230V 1700W (HW2A)(Includes item 4)
Tank Heater Kit, 230V 3000W (HW2A)(Includes item 4)
4
5
6
00943.0000
00942.0000
2
2
Gasket
Nut, Hex .50"-20
02525.0001
00908.0000
1
8
Lid, Tank
Nut, #8-32
7
8
29329.1000
1
Thermostat, Limit
21016.0008
20211.0100
2
2
Lead (HW2 0nly)
Thermal Cut-off (HW2A 0nly)
9
02513.0000
03633.0000
01075.0000
04221.0000
02536.0000
07048.1000
20203.0100
00908.0000
01522.0000
00971.0000
1
1
1
1
1
1
1
2
3
1
Tube
10
11
12
13
14
15
16
17
18
19
Gasket
Nut, Hex .438"-20
Gasket, Tank Lid
Grommet
Probe Replacement Kit (Includes items 15 and 16)
Lockwasher, Internal Tooth #8
Nut, Hex #8-32
Washer,Spacer
Nut, Keps #10-32
03803.0000
00946.0000
1
1
Switch Assy, Level Float (Includes items 20 thru 22)
Nut, Hex .125"-27
20
21
22
23
03633.0000
- - - - - - - -
03807.0000
1
3
1
Gasket
Washer, Adjusting (DO NOT USE IN THIS APPLICATION)
Clip, Spring
02520.0000
00971.0000
1
2
Cup, Overflow
Nut, Keps #10-32
28888.1 062012
7
HW2
HW2A
BUNN®
STRAINER/FLOW CONTROL
8
9
7
Early HW2A
(ASCO)
11
9
6
8
10
4
5
12
13
2
3
1
14
15
16
17
18
19
26 25
24 23 22
27
14
19
17
18
20
21
16
15
Early Models
Late Models
8
P1533
28888.1 062012
STRAINER/FLOW CONTROL
ITEM
PART NO.
QTY.
DESCRIPTION
1
02533.0000
1
Tube (Includes item 2)
2
3
4
5
00929.0001
07075.0000
21695.0001
1
1
1
Nut, Compression
Grommet
Elbow, Compression .38" x .125" MPT
28130.0001
28130.0000
00971.0000
1
1
2
Bracket, Solenoid Mounting (HW2 only) (Skinner & Kip)
Bracket, Solenoid Mounting (HW2A only) (Asco)
Nut, Keps #10-32
6
01085.0000
01085.0002
01975.0000
01327.0000
01502.0000
1
1
1
2
2
Solenoid,120V 1.5" Dia. Coil (Early HW2 only) (Includes items 8 thru 11)
Solenoid,120V 1" Dia. Coil (HW2 only) (Includes items 8 thru 11)
Solenoid,240V 1.5" Dia. Coil (Later HW2A only) (Includes items 8 thru 11)
Screw, #10-32 x .375"
Lockwasher, #10
7
8
28005.0000
02329.0000
1
2
Solenoid, 240V (Early HW2A only)(Includes items 8 and 9) (Asco)
Screw,Locking #8-32 x .375"
28480.0000
28020.0000
01100.0000
01101.0000
1
1
1
1
Coil 120V 1" Dia. Coil (Kip)
Coil 240V (Early HW2A only) (Asco)
Coil, 240V 1.5" Dia. Coil (Later HW2A only) (Skinner)
Coil, 120V 1.5" Dia. Coil (Early HW2 only) (Skinner)
9
01111.0000
01111.0002
28021.0000
1
1
1
Solenoid Valve Repair Kit 120V & 240V (1.5" Dia. Coil) (Skinner)
Solenoid Valve Repair Kit 120V & 240V (1.0" Dia. Coil) (Kip)
Solenoid Valve Repair Kit 240V (1.0" Dia. Coil) (Early HW2A only) (Asco)
10
11
01079.0000
28479.0000
1
1
Base Kit (Includes O-ring) (1.5" Dia. Coil) (Skinner)
Base Kit (Includes O-ring) (1.0" Dia. Coil) (Kip)
01116.0000
28481.0000
1
1
Guide Kit (1.5" Dia. Coil) (Includes Washer and O-ring) (Skinner)
Guide Kit (1.0" Dia. Coil) (Includes Washer and O-ring) (Kip)
12
13
14
00402.0001
21814.0031
1
1
Connector, Male .25" FLR x .125" MPT
Tube
22300.0750
20528.1750
1
1
Strainer/Flow Control Assy (.750 GPM)(Includes items 15 thru 21)(Early Models)
Flow Control Assy (.750 GPM)(Includes items 15 thru 19)(Late Models)
15
01154.0000
01154.0001
1
1
Flow Control Outlet (Early Models)
Flow Control Outlet (Late Models)
16
17
18
19
20
21
22
01155.0000
- - - - - - - -
20526.1750
- - - - - - - -
23721.0000
22249.0000
1
1
1
1
1
1
Gasket, Flow Control
Washer, Flow Control
Washer/Gasket Assy (Includes item 16 and 17)
Body (Order item 14)
Screen
Cap, End
00310.0005
21814.0016
1
1
Tube (Early Models)(w/Strainer/Flow Control)
Tube (Late Models)(w/Flow Control)
23
24
25
26
27
28
00463.0000
01532.0000
00459.0000
00935.0000
00445.0001
1
1
1
1
1
Nut, Hex .438"-20
Lockwasher, Internal Tooth .438"
Fitting, Bulkhead .25" Flare
Cap, Flare (For Shipping Purposes only)
Connector .25" male flare x .125"FPT (Late Models)
01060.0000
01066.0000
-
-
Wrench, Solenoid Valve (Not Illustrated)(HW2 only)
Wrench, Spanner (Not Illustrated)(HW2 only)
28888.1 062012
9
HW2
HW2A
BUNN®
LATE MODEL INLET VALVE
2
1
6
7
5
8
9
3
2
4
28888.1 062012
10
LATE MODEL INLET VALVE
ITEM
PART NO.
20976.0063*
12422.0001
37297.1006
QTY.
DESCRIPTION
1
2
3
4
1
2
1
Tube, Silicone .375˝ID x 16.0˝ (Order # 9)
Clamp, SNP 10
Elbow
42025.0000
42025.0001
32283.0000
1
1
2
Kit, Valve 120V (.750GPM Flow Control)
Kit, Valve 230V (.750GPM Flow Control)
Screw, M4 x 6MM
5
6
07075.0000
26263.0001
1
1
Grommet
Clamp, SST
01382.0000
1
Screw, #6-32 x .375"
00988.0000
1
Fastener, U-Type #6-32
7
28130.0001
00971.0000
1
2
Bracket
Nut, Keps #10-32
8
9
43789.0000
36378.0001
1
1
Tube, Tank Fill
Check Valve (Later HW2A Models Only)
The following items are not illustrated
10
20976.1001
20976.1002
-
-
Tube, Silicone .375" ID x 3 Feet (Use as required)
Tube, Silicone .375" ID x 10 Feet (Use as required)
28888.1 062012
11
HW2
HW2A
BUNN®
TANK FAUCET
14
13
12
11
10
9
8
6
7
1
3
2
4
5
P1535
28888.1 062012
12
TANK FAUCET
ITEM
PART NO.
QTY.
DESCRIPTION
1
07061.0001
- - - - - - - -
07119.0000
01221.0000
01268.0000
07079.0000
07094.0000
- - - - - - - -
00600.0000
01284.0000
00601.0000
07127.0000
01219.0000
07099.0000
28708.0000
1
1
1
1
1
1
1
1
1
1
1
1
1
1
-
Shank Assy, Faucet (Includes items 2 thru 5)
Body, Shank (Order item 1)
Nut, Shank
2
3
4
C-Ring, Shank
5
Nut, Union
6
Gasket, Faucet Shank
7
Faucet Assy (Includes items 8 thru 14)
Body, Faucet (Order item 7)
Cup, Faucet Seat
8
9
10
11
12
13
14
-
Stem W/Pin (Includes item 13)
Spring, Faucet
Nut, Faucet Bonnet
Pin, Faucet Handle
Handle, Faucet
Faucet Repair Kit (Includes items 9,10,11 and 14)
28888.1 100512
13
HW2
HW2A
BUNN®
ELECTRICAL AND OPERATING CONTROLS
7
6
4
17
10
1
5
3
8
23
19
14
18
15
20 22
P1536
28888.1 062012
14
ELECTRICAL AND OPERATING CONTROLS
ITEM
PART NO.
QTY.
DESCRIPTION
1
2
07073.1000
1
Grommet
02540.0000
28144.0000
28144.0001
02540.0003
1
1
1
1
Wiring Harness, 120V (HW2 only. Not Illustrated)
Wiring Harness, 240V (HW2A only. Not Illustrated)
Wiring Harness, 240V (HW2 w/.75˝ Valve only. Not Illustrated)
Wiring Harness, 120V (HW2 w/.75˝ Valve only. Not Illustrated)
3
4
10003.0000
1
Tag, Instruction
21016.0008
20211.0100
1
1
Lead, Tank Heater To Limit Switch (HW2 only)
Thermal Fuse, Tank Heater To Limit Switch (HW2A only)
5
6
7
20762.0000
43861.0000
2
1
Screw, Thermostat Terminal #8-32 x .25"
Harness, Limit Thermostat To Thermostat
02542.0000
02328.0003
1
1
Thermostat Assy (Includes items 2 thru 5)
Screw, Mounting #6-32 x .312˝
8
43861.0002
01637.0000
00707.0000
21000.0074
1
1
1
1
Harness, Thermostat To Wire Nut
9
Power Cord (HW2 only. Not Illustrated)
Bushing, Strain Relief (HW2 only)
10
11
12
Lead, Red Wire Nut To Splice (Not Illustrated)
21001.0066*
21003.0004*
1
1
Lead, White, Red Wire Nut To Splice (HW2 only. Not Illustrated)
Lead, Red, Red Wire Nut To Splice (HW2A only. Not Illustrated)
13
14
03851.0000
2
Wire Nut, Gray (Not Illustrated)
01309.0000
01375.0000
1
1
Screw, Ground For Power Cord (HW2 only. Not Illustrated)
Screw, Ground For Power Connector (HW2A only. Not Illustrated)
15
16
17
07070.0000
06064.0000
1
1
Bushing
Decal, Cord Warning (HW2 only. Not Illustrated)
01908.0000
01362.0000
01509.0000
00937.0000
1
2
2
2
Power Connector (HW2A only)
Screw, #4-40 x .50"
Lockwasher, #4
Nut, Hex, #4-40
18
19
00824.0002
1
Decal, Ground (HW2A only)
07074.1000
07074.1009
38711.1001
01311.0000
00970.0000
1
1
1
2
2
Control Board, Liquid Level (HW2 only)
Control Board, Liquid Level (HW2A only)
Control Board, Liquid Level (HW2A only)(RoHS Compliant)
Screw, #8-32 x .25"
Nut, Keps #8-32
20
21
22
23
07105.0000
00720.0000
00912.0000
1
1
2
Shield, Protective
Knob
Clip "J" Type, #8-32
02537.0000
01315.0000
1
2
Bracket
Screw, #8-32 x .375"
28888.1 062012
15
NUMERICAL INDEX
PART NO.
PAGE NO.
PART NO.
PAGE NO. PART NO.
PAGE NO. PART NO.
PAGE NO.
00310.0005.......................... 9 01522.0000.......................... 7 07074.1009........................ 15 43789.0000........................ 11
00402.0001.......................... 9 01532.0000.......................... 9 07075.0000..................... 9,11 43861.0000........................ 15
00445.0001.......................... 9 01637.0000........................ 15 07079.0000........................ 13 43861.0002........................ 15
00459.0000.......................... 9 01908.0000........................ 15 07094.0000........................ 13
00463.0000.......................... 9 01929.0000.......................... 7 07099.0000........................ 13
00600.0000........................ 13 01975.0000.......................... 9 07105.0000........................ 15
00601.0000........................ 13 02328.0003........................ 15 07119.0000........................ 13
00656.0000.......................... 5 02329.0000.......................... 9 07127.0000........................ 13
00657.0000.......................... 5 02494.1000.......................... 7 10003.0000........................ 15
00707.0000........................ 15 02497.0000.......................... 5 10261.0000.......................... 5
00720.0000........................ 15 02504.0001.......................... 5 10261.0001.......................... 5
00824.0002........................ 15 02504.0002.......................... 5 12422.0001........................ 11
00831.0000.......................... 5 02505.0000.......................... 5 12593.0000.......................... 5
00908.0000.......................... 7 02505.0001.......................... 5 20203.0100.......................... 7
00912.0000..................... 7,15 02506.0000.......................... 5 20211.0100..................... 7,15
00917.0000.......................... 5 02506.0001.......................... 5 20526.1750.......................... 9
00929.0001.......................... 9 02507.0001.......................... 5 20528.1750.......................... 9
00935.0000.......................... 9 02508.0000.......................... 5 20762.0000........................ 15
00937.0000........................ 15 02508.0002.......................... 5 20976.0063........................ 11
00942.0000.......................... 7 02508.0004.......................... 5 20976.1001........................ 11
00943.0000.......................... 7 02508.0005.......................... 5 20976.1002........................ 11
00946.0000.......................... 7 02508.0006.......................... 5 21000.0074........................ 15
00970.0000..................... 5,15 02510.0005.......................... 5 21001.0066........................ 15
00971.0000.................. 7,9,11 02510.0006.......................... 5 21003.0004........................ 15
00988.0000........................ 11 02510.1007.......................... 5 21016.0008..................... 7,15
01060.0000.......................... 9 02513.0000.......................... 7 21695.0001.......................... 9
01066.0000.......................... 9 02515.0007.......................... 7 21814.0016.......................... 9
01075.0000.......................... 7 02515.1008.......................... 7 21814.0031.......................... 9
01079.0000.......................... 9 02520.0000.......................... 7 22249.0000.......................... 9
01085.0000.......................... 9 02525.0001.......................... 7 22300.0750.......................... 9
01085.0002.......................... 9 02533.0000.......................... 9 23721.0000.......................... 9
01100.0000.......................... 9 02534.1000.......................... 7 25137.0002.......................... 5
01101.0000.......................... 9 02536.0000.......................... 7 26263.0001........................ 11
01111.0000.......................... 9 02537.0000........................ 15 28005.0000.......................... 9
01111.0002.......................... 9 02540.0000........................ 15 28020.0000.......................... 9
01116.0000.......................... 9 02540.0003........................ 15 28021.0000.......................... 9
01154.0000.......................... 9 02542.0000........................ 15 28130.0000.......................... 9
01154.0001.......................... 9 02545.0000.......................... 5 28130.0001..................... 9,11
01155.0000.......................... 9 02546.0000.......................... 5 28144.0000........................ 15
01219.0000........................ 13 02547.0000.......................... 5 28479.0000.......................... 9
01221.0000........................ 13 02575.0000.......................... 7 28480.0000.......................... 9
01268.0000........................ 13 03633.0000.......................... 7 28481.0000.......................... 9
01284.0000........................ 13 03633.0000.......................... 7 28708.0000........................ 13
01303.0000.......................... 5 03803.0000.......................... 7 28918.0000.......................... 5
01309.0000........................ 15 03807.0000.......................... 7 28918.0001.......................... 5
01311.0000..................... 5,15 03851.0000........................ 15 29329.1000.......................... 7
01315.0000..................... 7,15 04198.0001.......................... 5 32283.0000........................ 11
01317.0005.......................... 7 04221.0000.......................... 7 36378.0001........................ 11
01327.0000.......................... 9 06064.0000........................ 15 37297.1006........................ 11
01362.0000........................ 15 07048.1000.......................... 7 37881.0000.......................... 5
01375.0000........................ 15 07061.0001........................ 13 38711.1001........................ 15
01382.0000........................ 11 07070.0000........................ 15 38994.1000.......................... 7
01502.0000.......................... 9 07073.1000........................ 15 41471.0002.......................... 5
01509.0000........................ 15 07074.1000........................ 15 42025.0000........................ 11
28888.1 100512
16
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