Bradford-White MITW -10 User Manual
Instructions for:
TTW 1 Universal Service
Replacement Blower Kit
P/N 265-47200-00
(To be performed ONLY by qualified service providers)
The Blowers on the Following Water
Heaters are Serv iced by This Kit:
MITW -10
Series
MITW -12 / -15
Series
M1TW Se r ie s
(Normal & High Altitude)
(For full model numbers, see page 2.)
Manual 47216A Save this manual for future reference
Model Numbers Reference
Water Heater Model Numbers Serviced by This Kit
Water Heater
Model Numbers
MITW40L*LN10
Origin al Blower’s P/N
MITW40L*CX10
239-39785-00
Series
MITW -10
MITW50L*LN10
MITW50L*CX10
MITW40L*EN12
MITW40L*BN12
MITW40L*CX12
239-41605-00
MITW50L*EN12
MITW50L*BN12
MITW50L*CX12
MITW40L*EN15
MITW40L*BN15
MITW -12 / -15 SeriesM1TW Se ries
MITW40L*CX15
239-41605-00
MITW50L*EN15
MITW50L*BN15
Page 2
MITW50L*CX15
M1TW40S*BN
M1TW40S*CX
M1TW50S*BN
239-45584-00
243-45987-00 (Hi-Alt)
M1TW50S*CX
M1TW40S*FBN
M1TW40S*FCX
M1TW50S*FBN
M1TW50S*FCX
239-45584-00
243-45987-00 (Hi-Alt)
M1TW60T*FBN
M1TW60T*FCX
(*) Denotes Warranty Years (Typically “5”, “6”, or “10”)
Kit Components
3
2
10
4
13
8
7
5
1
9
11
6
12
Part Number Qty De s cription Models Used On:
1 265-47195-00 1 Universa l Blowe r All
2 239-47194-00 1 Wire Harness MI TW- 12/15 Series MITW -12 / -15 Series
3 239-47193-00 1 Wire Harness MI TW- 10 S eries MITW -10 Series
4 239-46263-00 1 2" Exhaus t Adapter & Vent Terminal Kit All
5 239-47196-00 1 Trans former Junction Box MITW -12 / -15 Series
6 239-47199-00 1 Trans former Junction Box Cover MITW -12 / -15 Series
7 265-44072-01 1 Trans former (120V / 24V) MITW -12 / -15 Series
8 239-44113-00 5 Screws All
9 239-47190-00 1 Dilution Air O r ifice M1TW Serie s (normal & high altitude )
10 239-47192-01 1 P r es s ur e Sw itch ( - 0.70" wc) M1TW Serie s (high altitude only)
11 239-47191-00 1 Flue Re str ict or MIT W - 10 Se ries & MITW - 12 / -15 S e r ies
12 238-47197-00 1 Te mplate MIT W - 10 Se ries & MI T W -12 / -15 Se r ies
13 239-47281-00 2 Wire N ut s MIT W - 10 Se ries & MITW - 12 / -15 S e r ies
For full model numbers, see page 2 (Model Number Refer ence Pag e).
Page 3
Tools Required
¼" Nut Driver
5/16" Nut Driver
Slotted Screwdriver
Philips Screwdriver
Hammer
1/8" Drill Bit
Drill
Channel Lock Pliers
Needle Nose Pliers
Tape (preferably scotch or masking)
PVC Primer / Cement
Wire Cutters
Wire Strippers
Wire Brush
Hacksaw
Page 4
Bradford Whit e
TTW 1 Universal Service
Replacement Blower Kit
P/N 265-47200-00
Table of Contents
Page
Kit Components 3
Tools Required 4
MITW -1 0 Se r i es W at e r Heaters: 6
MITW40L*LN10, MITW40L*CX10, MITW50L*LN10,
MITW50L*CX10
MITW -12 / -15 Series Wate r Heaters: 12
MITW40L*EN12, MITW40L*BN12, MITW40L*CX12,
MITW50L*EN12, MITW50L*BN12, MITW50L*CX12,
MITW40L*EN15, MITW40L*BN15, MITW40L*CX15,
MITW50L*EN15, MITW50L*BN15, MITW50L*CX15
M1TW Series Water Heaters: 21
M1TW40S*BN, M1TW40S*CX, M1TW50S*BN,
M1TW50S*CX, M1TW40S*FB N, M1TW40S*FCX,
M1TW50S*FBN, M1TW50S*FC X, M1TW60T*FBN,
M1TW60T*FCX
Notes 27
(*) Denotes Warranty Years (Typically “5”, “ 6”, or “10”)
Notice: To determine what series water heater is being serviced, please refer to the
model numbers shown below each series title. Then, turn to the applicable
page for the correct water heater series.
Page 5
TTW1 Universal Service
Replacement Blower
MITW -10 Series
Note: This set of instructions is for the following model numbers: MITW40L*LN10,
MITW40L*CX10, MITW50L*LN10, and MITW50L*CX10.
Note: The following parts are required to convert the model numbers shown above:
Template, Flue Restrictor, Screws, Wire Harness MITW-10 Series, Universal Blower,
Wire Nuts, and 2" Exhaust Adapter / Vent Terminal Kit. Please refer to the Kit
Components page (Page 3) for a picture of each item.
Step 1. Unplug water heater from wall outlet.
Unplug blower harness from
jacket head receptacle.
Step 2. Detach blower wire harness from receptacle
located in the jacket head.
Unscrew both clamps that
hold the adapter to the
blower and vent pipe.
Remove power
cord from outlet.
Step 3. Disconnect the vent pipe and adapter that are
connected to the outlet of the blower.
Page 6
Step 4. Remove the screws, qty. (4), that secure
the blower to the jacket head.
Step 5. Remove blower from the top of the water
heater. Remove any loose debris and
tools from the top of the water heater,
including any portion of the blower gasket
that still exists.
TTW1 Universal Service
Replacement Blower
MITW -10 Series
Unscrew (4) screws that hold
blower to the jacket head.
Warning: Failure to locate the blower correctly will
result in improper water heater operation.
Step 6. Create the new mounting hole locations
for the new universal replacement blower.
Use template supplied with manual.
a.) On the template, P/N 238-47197-00,
the (3) circular sections for the water
connections and flue have already
been removed. Also, the dotted lines
from the side of the paper are
perforated for easy tearing.
Slip the template over the wat er conne c tions. It
is not necessary to remove the pipes connected
to the water heater’s inle t and out let.
b.) Place the template on top of the water
heater, being sure to have the arrows
point towards the front of the water
heater, which is the side where the
drain and gas valve are located. Tape
the template to the top of the water
heater to hold it in place.
The (3) circular sections
on template have been
pre-cut and removed.
Tear paper along dotted lines
where perforation exists, or cut
with scissors.
Place template on top of water
heater in correct orientation.
c.) At each of the (3) “Drill Here” locations
on the template, drill a 1/8” diameter
hole through the template and the
jacket head. Remove the template
from the top of the water heater.
Drill (3) locations on top of water heater,
where “Drill Here” is noted on the template.
Drill
Page 7
TTW1 Universal Service
Replacement Blower
MITW -10 Series
Warning: Failure to install flue restrictor will result in
improper water heater operation.
Step 7. Install the flue restrictor, P/N
239-47191-00, firmly on the flue. It may
be necessary to lightly tap down the flue
restrictor. Be sure to tap it evenly and
straight down. Wire brush the top of the
water heater if rust or corrosion exists.
Warning: Do NOT remove Torx head screws from
universal blower.
Step 8. Instructions to remove power cord from
new universal blower:
a.) Unscrew the (3) Philips head screws
on the blower access cover and
remove the cover. Keep the cover and
screws for future use.
Blower access cover
(covers access compartmen t)
Place flue
restrictor on flue.
Loosen all (3) screws
holding cover on.
Power inlet
connector
b.) Inside the access compartment, follow
the black wire from the power cord until
you reach the flag terminal attached to
the end of the wire. Disconnect black
wire from the back of the power inlet
connector.
Power inlet
connector
Power cord
Black wire
Remove black
wire’s flag terminal
Page 8
Step 8.
c.) Just below the crimp connector, cut the
(3) white (neutral) wires. Remove the
white power cord lead from the bundle.
Then, strip the ends of the (2)
remaining white wires and connect
them using a wire nut, included with
the kit, P/N 239-47281-00, and tuck the
wires back into the lower portion of the
access compartment.
d.) Just below the crimp connector, cut the
(3) green (ground) wires. Remove the
green power cord lead from the
bundle. Then, strip the ends of the (2)
remaining green wires and connect
them using a wire nut, included with
the kit, P/N 239-47281-00, and tuck the
wires back into the lower portion of the
access compartment.
TTW1 Universal Service
Replacement Blower
MITW -10 Series
Cut just below these crimp co nnectors. Then,
remove (1) white and (1) green wire from
bundles. Trace wires back to power cord.
Connect (2) white wir es
Power cord
and (2) green wires, each
with their own wire nut.
Warning: Make sure that each wire nut is securely
tightened and that all wires are making
good connection or improper water heater
operation will occur.
e.) Remove the power cord from the
blower housing and discard.
f.) Verify that all electrical connections
have been modified, as previously
indicated. Also, verify that the
pressure switch tubing is connected to
the pressure tap on the blower
and to the switch itself. Ensure that
the tubing is not kinked.
Squeeze bushing to
remove power cord
from blower.
Push in both sides of
the bushing with pliers
to remove.
Page 9
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