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Summary of Contents for Bradford White MITW -10
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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 Serviced by This Kit: MITW -10 MITW -12 / -15 M1TW Series Series Series (Normal & High Altitude) (For full model numbers, see page 2.)
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Model Numbers Reference Water Heater Model Numbers Serviced by This Kit Water Heater Model Numbers MITW40L*LN10 MITW40L*CX10 MITW50L*LN10 MITW50L*CX10 MITW40L*EN12 MITW40L*BN12 MITW40L*CX12 MITW50L*EN12 MITW50L*BN12 MITW50L*CX12 MITW40L*EN15 MITW40L*BN15 MITW40L*CX15 MITW50L*EN15 MITW50L*BN15 MITW50L*CX15 M1TW40S*BN M1TW40S*CX M1TW50S*BN M1TW50S*CX M1TW40S*FBN M1TW40S*FCX M1TW50S*FBN M1TW50S*FCX M1TW60T*FBN M1TW60T*FCX (*) Denotes Warranty Years (Typically “5”, “6”, or “10”)
Wire Nuts For full model numbers, see page 2 (Model Number Reference Page). Description MITW -10 Series & MITW -12 / -15 Series MITW -10 Series & MITW -12 / -15 Series MITW -10 Series & MITW -12 / -15 Series...
(*) 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.
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"...
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Drill (3) locations on top of water heater, where “Drill Here” is noted on the template. TTW1 Universal Service Replacement Blower MITW -10 Series Unscrew (4) screws that hold blower to the jacket head. The (3) circular sections on template have been pre-cut and removed.
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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.
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Ensure that the tubing is not kinked. TTW1 Universal Service Replacement Blower MITW -10 Series Cut just below these crimp connectors. Then, remove (1) white and (1) green wire from bundles. Trace wires back to power cord.
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TTW1 Universal Service Replacement Blower MITW -10 Series Step 9. a.) Ensure that the pressure switch, P/N 239-47192-02, is mounted in the vertical position, as shown. This pressure switch comes standard in the blower from the factory. Its vacuum setting should read -0.80" wc.
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Improper water heater operation could occur if these devices are not functioning properly. TTW1 Universal Service Replacement Blower MITW -10 Series Be sure that vent pipe is properly seated in the top side of vent adapter. Rubber vent...
Terminal Kit. Please refer to the Kit Components page (Page 3) for a picture of each item. Step 1. On the water heater’s gas control, turn the power switch to the “Off” position. Turn switch on gas valve to “Off” position.
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Step 6. Remove the blower from the top of the water heater. Remove any loose debris and tools from the top of the water heater. Warning: Failure to locate the blower correctly will result in improper water heater operation.
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Keep the cover and screws for future use. Page 14 Place template on top of water heater in correct orientation. Drill (3) locations on top of water heater, where “Drill Here” is noted on the template. Blower access cover (covers access compartment) Drill Place flue restrictor on flue.
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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. Push in both sides of the bushing with pliers to remove.
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Now that the universal blower is properly modified for a -12/-15 series water heater, the blower can be properly positioned and secured on top of the water heater. To place the blower on the water heater, feed the blower from around the backside of the water connections.
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On a side opposite the transformer's posts, remove (1) knock-out ¾" in size. Then, place the junction box back on the water heater and the transformer back into the box. d.) Mark the location of the mounting holes of the transformer onto the junction box.
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Step 16. Place the transformer all the way back into the junction box and fasten both to the water heater using (2) screws, P/N 239-44113-00, provided with the kit. Page 18 Fasten transformer and junction box to jacket head (Second screw not shown).
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239-47199-00, to the junction box. Step 18. With the blower and transformer assembly fastened to the water heater, the remaining ends of the blower wire harness can now be attached with the cord sets to the blower and then the white connector to the receptacle in the jacket head.
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Step 24. Restore electrical power to the water heater. Step 25. On the water heater’s gas control, turn the power switch to the “On” position. Warning: Check all safety devices to make sure they are working properly. Improper water heater operation could occur if these devices are not functioning properly.
Exhaust Adapter / Vent Terminal Kit. Please refer to the Kit Components page (Page 3) for a picture of each item. Step 1. On the water heater’s gas control, turn the power switch to the “Off” position. Turn switch on gas valve to “Off”...
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Step 6. Remove blower from the top of the water heater. Remove any loose debris and tools from the top of the water heater. Warning: For normal altitude applications (2000 ft. & below), proceed to Step 8. Otherwise, for high altitude applications (2001 ft. & above), continue with Step 7.
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(2001 ft. & above). Warning: Failure to replace universal blower pressure switch for high altitude will result in improper water heater operation. i. For high altitude applications, the factory installed pressure switch must be replaced. The correct pressure switch is P/N 239-47192-01 with a setting of -0.70"...
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TTW1 Universal Service Replacement Blower M1TW Series Step 8. b.) Place the access compartment cover back on the blower and secure it with its (3) screws from Step 7a. Start the lower screw first, and when doing so, make sure that the hole in the pressure switch’s bracket matches up to the hole in the blower housing.
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Now that the universal blower is properly modified for a M1TW series water heater, the blower can be properly positioned and secured on top of the water heater. To place the blower on the water heater, feed the blower from around the backside of the water connections.
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Step 16. Restore electrical power to the water heater. Step 17. On the water heater's gas control, turn the power switch to the “On” position. Warning: Check all safety devices to make sure they are working properly. Improper water heater operation could occur if these devices are not functioning properly.
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Do you have a question about the MITW -10 and is the answer not in the manual?
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