TTW1 Universal Service
Replacement Blower
M1TW Series
Step 4. Disconnect the vent pipe and adapter that are connected to the outlet of the blower.
Unscrew both clamps that
hold the adapter to the blower and vent pipe.
Unscrew (3) screws that hold
blower to the jacket head.
Step 5. | Remove the screws, qty. (3), that secure |
| the blower to the jacket head. |
Step 6. | Remove blower from the top of the water |
| heater. Remove any loose debris and |
| tools from the top of the water heater. |
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Warning: | For normal altitude applications (2000 ft. & below), proceed to Step 8. |
| Otherwise, for high altitude applications (2001 ft. & above), continue with |
| Step 7. |
Step 7. | Instructions to replace universal blower | ||
| pressure switch: | ||
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Warning: | Only replace the pressure switch if the |
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| water heater is being used in high altitude |
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| application. Failure to replace universal |
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| blower pressure switch will result in |
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| improper water heater operation. |
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| a.) Unscrew the (3) Philips head screws | ||
| on the blower access cover and | ||
| remove the cover. Keep the cover and | ||
| screws for future use. | ||
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Warning: | Do NOT remove Torx head screws from |
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| universal blower. |
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Blower access cover
(covers access compartment)
Loosen all (3) screws
holding cover on.
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