Page 1
ATALOG NO. 9300.74
COMMERCIAL
MODELS: MVB 503 THRU 2003
C
ffective: 08-25-09
E
Replaces: 05-01-09
RAYPAK ILLUSTRATED PARTS LIST
MODEL SIZES: 503, 753, 1003, 1253, 1503, 1753 & 2003
MODEL TYPES: MODULATING VERTICAL BOILER H, WH CAT IV
DATES OF MANUFACTURE: 6-01-06 THROUGH CURRENT
THE PARTS LISTED ARE FOR STANDARD EQUIPMENT FOR THIS MODEL TYPE. RAYPAK RESERVES
THE RIGHT TO SUBSTITUTE, DELETE OR CHANGE ANY PART WITHOUT NOTIFICATION. THE
ADDITION OF OPTIONS MAY ALSO CHANGE SOME OF THE PARTS. ORDER REPLACEMENT PARTS
FROM ACTUAL HEATER COMPONENTS.
FOR DETAILED INSTRUCTIONS, SEE "HOW TO USE YOUR RAYPAK ILLUSTRATED PARTS LIST",
CATALOG NO. 9001.10
Raypak, Inc., 2151 Eastman Avenue, Oxnard, CA 93030
(805) 278-5300 FAX (805) 278-5489
Litho In U.S.A.
P/N 241293
Page 2
Page 3
HEAT EXCHANGER DETAIL
J-BOX DETAIL
Page 4
BLOWER DETAIL
MODELS 503–1503
MODELS 1753–2003
GAS TRAIN DETAIL
Page 5
C
ALL
3
0023571305135213001357305NOITPIRCSEDTUO
B
BURNER ASSEMBLY
1
-B Ada
p
t
er Assembl
y
0
11749F 011749F 011749F 011749F 011749F 011750F 011750F
2-B Ada
p
F157110F157110F157110F157110F157110F157110F157110dliehStaeHdnasteksaGret
F257110F257110F257110F257110F257110F257110F257110eborProsneSemalFB-3
4-B I
g
F004700F004700F004700F004700F004700F004700F004700retin
F
657110F657110F557110F557110F457110F457110F357110renruBB-5
C
CONTROLS
1
-C Auto Reset Ad
j
u
stible Hi
g
h
Limit 240°F Max 011860F 011860F 011860F 011860F 011860F 011860F 011860F
A
uto Reset Ad
j
u
stible Hi
g
h
Limit 180°F Max 006445F 006445F 006445F 006445F 006445F 006445F 006445F
A
uto Reset Ad
j
u
stible Hi
g
h
Limit 200°F Max 012546F 012546F 012546F 012546F 012546F 012546F 012546F
2-C Manual Reset Ad
j
ustible High Limit 240°F Max 007144F 007144F 007144F 007144F 007144F 007144F 007144F
Manual Reset Ad
j
ustible High Limit 200°F Max 008081F 008081F 008081F 008081F 008081F 008081F 008081F
3
-C Manual Reset Fixed Hi
g
h
Limit 240°F 008520F 008520F 008520F 008520F 008520F 008520F 008520F
Manual Reset Fixed Hi
g
h Limit 200°F 008093F 008093F 008093F 008093F 008093F 008093F 008093F
4
-C Remote A
q
u
astat
(
T
ankstat
)
2
-Sta
g
e
B-3
(
N
ot Shown
)
0
07392F 007392F 007392F 007392F 007392F 007392F 007392F
5
-C Controller Modulatin
g (
T
ekmar
)
U
nits manufactured
p
r
ior to 1/21/08
(
6
01809
)
0
11757F 011757F 011757F 011757F 011757F 011757F 011757F
Units manufactured from 1/21/08
(
601845
)
012407F 012407F 012407F 012407F 012407F 012407F 012407F
6
-C Controller 4-Sta
g
e
B-21 Di
g
i
tal O
p
t
ional
(
N
ot Shown
)
0
09862F 009862F 009862F 009862F 009862F 009862F 009862F
Controller 2-Sta
g
e B-26 Digital Optional(Not Shown)009861F 009861F 009861F 009861F 009861F 009861F 009861F
F
687010F687010F687010F687010F687010F687010F68701032-BriAroodtuOrosneSC-7
F787010F787010F787010F787010F787010F787010F78701062-Burht12-BretaWrosneSC-8
9-C Sensor Water screw-In
(
Tekmar
)
011861F 011861F 011861F 011861F 011861F 011861F 011861F
1
5-C Sensor Water
(
T
em
p
T
racker
)
B
-36 thru B-38 012187F 012187F 012187F 012187F 012187F 012187F 012187F
F241700F241700F241700F241700F241700F241700F241700hctiwSwolFC-01
1
1-C Printed Circuit Board UDB
(
D
ia
g
n
ostic
)
w
/LED Li
g
h
ts 011758F 011758F 011758F 011758F 011758F 011758F 011758F
17-C Printed Circuit Board UDB
(
Diagnostic)w/LCD Display012571F 012571F 012571F 012571F 012571F 012571F 012571F
1
6-C Dia
g
n
ostic Dis
p
l
a
y
0
12662F 012662F 012662F 012662F 012662F 012662F 012662F
1
2-C Printed Circuit Board UGB
(
B
lower
)
N
/A N/A N/A N/A N/A 011759F 011759F
F067110F067110F067110F268110F067110F268110F268110hctiwSerusserPtneVriAC-31
F
167110F167110F167110F167110F167110F167110F167110hctiwSerusserPekatnIriAC-41
J CONTROL BOX
1-J Control Box Com
p
A/NA/NA/NA/NA/NA/NA/Netel
F267110F267110F267110F267110F267110F267110F26711042/021remrofsnarTJ-2
3-J Terminal Block w / Ground Lu
g
008523F 008523F 008523F 008523F 008523F 008523F 008523F
4-J Terminal Block 2 S
p
F367110F367110F367110F367110F367110F367110F367110eca
5-J Blower Rela
y
A/NA/NF779800F779800F779800F779800F779800CAV021
6-J Pum
p
Rela
y
F529700F529700F529700F529700F529700F529700F529700CAV42
7-J Pum
p
Contactor 120 VAC (Over 3/4 HP Pumps
)
007906F 007906F 007906F 007906F 007906F 007906F 007906F
8-J Time Dela
y
F129800F129800F129800F129800F129800F129800F129800dnoceS5rotcatnoC
Time Dela
y
Contactor 5 Second Make/2Second Break 012184F 012184F 012184F 012184F 012184F 012184F 012184F
11-J I
g
nition Control HSI Single Tr
y
009057F 009057F 009057F 009057F 009057F 009057F 009057F
I
g
nition Control HSI Three Tr
y
007374F 007374F 007374F 007374F 007374F 007374F 007374F
12-J Rocker Switch
(
Burner / Pum
p)
006872F 006872F 006872F 006872F 006872F 006872F 006872F
F083700F083700F083700F083700F083700F083700F083700hctiwSnwoDtuhSffO/nOJ-31
14-J Indicator Lam
p
011848F 011848F 011848F 011848F 011848F 011848F 011848F
FFAN
F567110F567110F644210F544210F444210F344210F244210riAnoitsubmoCrewolBF-1
F588110F588110F588110F588110F588110F588110F588110teksaGrewolBF-2
3-F Ada
p
A/NA/NF688110F688110F688110F688110F688110teksaGret
4-F Ada
p
A/NA/NF788110F788110F788110F788110F788110etalPret
5-F Plenum Assembl
y
011863F 011863F 011863F 011863F 011863F 011864F 011864F
F678110F678110F578110F578110F578110F578110F578110rettuhSriAF-6
A/NA/NF024700F024700F024700F024700F024700"6tcuDesoHF-7
8-F Screen Intake Vent Ca
p
007162F 007162F 007162F 011865F 011865F 011865F 011865F
G GAS TRAIN
1-G Valve Gas Modulatin
g (
Dungs)Natural Gas 011766F 011766F 011766F 011766F 011766F 011768F 011768F
Valve Gas Modulatin
g (
Dungs)Propane Gas 011766F 011766F 011766F 011766F 011766F 011766F 011766F
F113210F113210F013210F013210F013210F013210F013210taNlioCevlaVG-2
F013210F013210F013210F013210F013210F013210F013210orPlioCevlaV
F592210F592210F492210F492210F492210F492210F492210retliFsaGtelnIG-3
F988110F988110F888110F888110F888110F888110F888110relriwSG-4
5-G O Rings(Includes Gas Valve and Adapter O Rings
)
012440F 012440F 012440F 012440F 012440F 012441F 012441F
5-G O Rin
gs(
Includes Gas Valve and Adapter O Rings
)
012440F 012440F 012440F 012440F 012440F 012441F 012441F
Ada
p
ter Gas Valve 1-1/4" Inlet (Includes O Rings
)
N/A N/A 011916F 011916F 011916F N/A N/A
Ada
p
ter Gas Valve 2" Inlet (Includes O Rings
)
N/A N/A N/A N/A N/A 011917F 011917F
10-G Ada
p
ter Gas Valve Outlet (Includes O Rin
g)
Units manufactured
p
F792210F792210F692210F692210F692210F692210F69221080/7/4otroir
F792210F792210F545210F545210F545210F545210F54521080/8/4morfderutcafunamstinU
11-G Ada
p
F892210F892210F892210F892210F892210F892210F892210etalPlriwSret
F503210F403210F303210F203210F103210F003210F992210saGlarutaNelzzoNG-21
Nozzle Pro
p
F103210F003210F803210F803210F803210F703210F603210saGena
13-G Valve Gas Ball
(
WOG
)
011769F 011769F 011769F 011769F 011769F 011769F 011769F
14-G Motorized Safet
y
Shut Off Valve (Optional
)
011908F 011908F 011908F 011908F 011908F 011908F 011908F
15-G Solenoid Safet
y
Shut Off Valve Nat (Optional
)
011909F 011909F 011910F 011910F 011910F 011911F 011911F
Solenoid Safet
y
Shut Off Valve Pro (Optional
)
011909F 011909F 011909F 011909F 011909F 011909F 011909F
17-G Vent Valve Gas
(Op
tional)Not Shown 011913F 011913F 011914F 011914F 011914F 011914F 011914F
18-G Switch Low Gas Pressure
(Op
tional
)
011770F 011770F 011770F 011770F 011770F 011770F 011770F
19-G Switch Hi
g
h Gas Pressure(Optional
)
011771F 011771F 011771F 011771F 011771F 011771F 011771F
Page 6
CALL
30023571305135213001357305NOITPIRCSEDTUO
H HEAT EXCHANGER
1-H Heat Transfer Cupro-Nickle Bronze (Includes 15-S) 011780F 011781F 011782F 011783F 011784F 011785F 011786F
Heat Transfer Cupro-Nickle Cast Iron (Includes 15-S) 011959F 011961F 011963F 011965F 011967F 011969F 011971F
Heat Transfer Co
pp
er Bronze(Includes 15-S
)
011773F 011774F 011775F 011776F 011777F 011778F 011779F
Heat Transfer Co
pp
er Cast Iron(Includes 15-S
)
011958F 011960F 011962F 011964F 011966F 011968F 011970F
F301900F301900F301900F301900F301900F201900F201900eznorBredaeHteltuO/telnIH-2
F233210F233210F233210F233210F233210F133210F133210norItsaCredaeHteltuO/telnI
F402700F402700F402700F402700F402700F402700F402700eznorBredaeHnruteRH-3
F033210F033210F033210F033210F033210F033210F033210norItsaCredaeHnruteR
F401900F401900F401900F401900F401900F401900F401900tlobdutSH-4
5-H Header Gasket
(
20 PCS
)
007343F 007343F 007343F 007343F 007343F 007343F 007343F
F635600F635600F635600F635600F635600F635600F635600evlaVniarDH-6
F668110F668110F668110F668110F668110F668110F668110evlaVtneVriAH-7
8-H Air Vent Waste Connector Ada
p
F170310F170310F170310F170310F170310F170310F170310ret
M MISCELLANEOUS COMPONENTS
1-M Flow Switch Paddle
(
Taco
)
010026F 010026F 010026F 010026F 010026F 010026F 010026F
F749600F749600F749600F749600F749600F749600F749600rebmahCnoitsubmoCwodniWM-2
3-M T & P Gua
g
F502700F502700F502700F502700F502700F502700F502700ISP57-0e
T & P Gua
g
F993700F993700F993700F993700F993700F993700F993700ISP002-0e
F847700F847700F847700F847700F847700F812700F712700ISP03VRPM-4
F257700F157700F157700F122700F122700F643700F022700ISP54VRP
F457700F457700F357700F357700F222700F222700F222700ISP06VRP
F657700F657700F657700F322700F322700F322700F322700ISP57VRP
F857700F857700F422700F422700F422700F422700F422700ISP521VRP
F522700F522700F522700F522700F522700F522700F522700ISP051VRP
5-M RTV Sealant 2.8 oz
(
Not Shown
)
008924F 008924F 008924F 008924F 008924F 008924F 008924F
RTV Sealant 10 oz
(
Not Shown
)
005755F 005755F 005755F 005755F 005755F 005755F 005755F
F277110F277110F277110F277110F277110F277110F277110teksaGlaeSlacitreVrotcelloCeulFM-6
F698110F698110F698110F698110F698110F698110F698110teknalBnoitalusnIrefsnarTtaeHM-7
F142700F142700F142700F142700F142700F142700F142700redaeHnruteRteknalBnoitalusnIM-8
9-M Flue Exhaust Ada
p
F637900F637900F637900F637900F537900F537900F537900teksaGret
10-M
Inline Intake Air Filter
008402F 008402F 008402F 011897F 011897F 011897F 011897F
F355210F355210F355210F355210F255210F255210F255210muimerPretliFriAekatnIenilnIM-31
F895210F895210F895210F895210F895210F895210F895210hctiwSenarbmeMM-41
11-M Touch u
p
Paint(Green
)
521057521057521057521057521057521057521057nwohStoN
Touch u
p
Paint(Dark Gra
y)
621057621057621057621057621057621057621057nwohStoN
12-M Wire Harness
Units manufactured without 30-S Wirin
g
Panel 012538F 012538F 012538F 012538F 012538F 012538F 012538F
Units manufactured with 30-S Wirin
g
Panel 012566F 012566F 012566F 012566F 012566F 012566F 012566F
Units manufactured with 16-C LCD Dis
play
012625F 012625F 012625F 012625F 012625F 012625F 012625F
16-M LCD Dis
play
F517110F517110F517110F517110F517110F517110F517110ssenraHeriW
F186210F186210F186210F186210F186210F186210F186210eldnaHcitsalPM-51
O OPTIONS
1-O Remote Sensor
(
LWCO
)
007228F 007228F 007228F 007228F 007228F 007228F 007228F
F751700F751700F751700F751700F751700F751700F751700)OCWL(draoBCPlortnoCO-2
F146500F146500F146500F146500F146500F146500F146500)OCWL(hctiwSteseR/tseTO-3
F146500F146500F146500F146500F146500F146500F146500)mralA(hctiwSteseR/recneliSO-4
F246500F246500F246500F246500F246500F246500F246500"3lleBmralAO-5
F346500F346500F346500F346500F346500F346500F346500"4lleBmralA
6-O Time Delay Contactor 5 Second (Alarm / Dry contacts) 008921F 008921F 008921F 008921F 008921F 008921F 008921F
7-O Relay SPDT 24 VAC (Alarm / Dry Contact) 009039F 009039F 009039F 009039F 009039F 009039F 009039F
F027110F027110F027110F027110F027110F027110F027110)mralA(CAV42TDPDyaleRO-8
P PUMPS
F153700F153700F843700F548110F722700F622700F622700)retaWtfoS(eznorB-gnitalucriC-pmuPP-1
Pum
p
-Circulating- Bronze(Medium Water
)
007226F 007347F 011845F 007351F 007351F 007937F 007937F
Pum
p
-Circulating- Bronze(Hard Water
)
007349F 007349F 007351F 007351F 007351F 007937F 007937F
Pum
p
-Circulating- CI(Soft Water
)
F753700F753700F453700F648110F332700F232700F232700
Pum
p
-Circulating- CI(Medium Water
)
F839700F839700F753700F753700F648110F353700F232700
Pum
p
-Circulating- CI(Hard Water
)
F839700F839700F753700F753700F753700F553700F553700
S SHEETMETAL
1-S Jacket To
p
F338110F338110F338110F338110F338110F338110F338110
2-S
Flue Collector Front
(
No Openin
g) (
Includes 6-M and 8-M
)
011787F 011788F 011789F 011790F 011791F 011792F 011793F
3-S
Flue Collector Rear
(
Openin
g) (
Includes 6-M and 8-M
)
011794F 011795F 011796F 011797F 011798F 011799F 011800F
4-S Heat Transfer Su
pp
F701900F701900F701900F701900F701900F701900F701900stro
5-S U
pp
er Cabinet Su
pp
F948110F948110F948110F948110F948110F948110F948110stro
6-S Vertical Cabinet Su
pp
F708110F608110F508110F408110F308110F208110F108110stro
F752700F752700F752700F752700F752700F752700F752700revoCredaeHnruteRS-7
8-S Jacket U
pp
F908110F908110F808110F808110F808110F808110F808110lenaPtnorFre
Jacket U
pp
er Front Panel w/LCD Displa
y
012699F 012699F 012699F 012699F 012699F 012700F 012700F
F618110F518110F418110F318110F218110F118110F018110lenaPtnorFrewoLtekcaJS-9
10-S Jacket U
pp
F818110F818110F718110F718110F718110F718110F718110lenaPediSre
F528110F428110F328110F228110F128110F028110F918110lenaPediSrewoLtekcaJS-11
12-S Jacket U
pp
F088110F088110F978110F978110F878110F778110F778110lenaPraeRre
F238110F138110F038110F928110F828110F728110F628110lenaPraeRrewoLtekcaJS-31
14-S Base Assembl
y
009129F 009129F 009129F 009129F 009129F 009129F 009129F
15-S Le
g
Bracket(4pcsper boiler
)
007306F 007306F 007306F 007306F 007306F 007306F 007306F
F703700F703700F703700F703700F703700F703700F703700lenaProtcelfeResaBS-61
17-S Flue Exhaust Ada
p
ter Assembl
y
011900F 011900F 011900F 011901F 011901F 011901F 011901F
18-S Control Box Ass
y
011869F 011869F 011869F 011869F 011869F 011869F 011869F
19-S Control Box Cover
(
2 Panels
)
011870F 011870F 011870F 011870F 011870F 011870F 011870F
20-S Control Box Cover Panel w/Li
g
F178110F178110F178110F178110F178110F178110F178110sth
31-S Control Box Cover Panel w/LCD Dis
play
012697F 012697F 012697F 012697F 012697F 012697F 012697F
F896210F896210F896210F896210F896210F896210F896210lenaPrevoCxoBlortnoCS-23
21-S Power Switch Mountin
g
F278110F278110F278110F278110F278110F278110F278110lenaP
22-S Blower/Pum
p
Switch Mountin
g
F378110F378110F378110F378110F378110F378110F378110lenaP
23-S Controller Mountin
g
F478110F478110F478110F478110F478110F478110F478110lenaP
F188110F188110A/NA/NA/NA/NA/NtneVriAekatnIS-52
25-S Intake Air Ada
p
F188110F188110A/NA/NA/NA/NA/Nret
27-S Intake Air Collar
(
Inside
)
011905F 011905F 011905F 011905F 011905F N/A N/A
F488110F488110F388110F388110F388110F388110F388110lenaPsseccAS-82
29-S Access Panel Wirin
g
F609110F609110F609110F609110F609110F609110F609110xoB
30-S 24V Wirin
g
F765210F765210F765210F765210F765210F765210F765210lenaP
GNITNEVV
1-V Outdoor Stack 011894 011894 011894 011895 011895 011895 011895
2-V Vent Ca
p
308010308010308010308010208010208010208010stinUroodnIroflacitreV
3-V Vent Ca
p
Horizontal Thru-the-Wall for Indoor Units 006644 006644 006644 006646 006646 006646 006646
4-V Inline Air filter
(
Complete
)
006926 006926 006926 006927 006927 006927 006927
5-V Inline Air filter Premium
(
Complete
)
012460 012460 012460 012461 012461 012461 012461
Page 7
Page 8
www.raypak.com
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