User Guide

Condensing PDV Series
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Service Procedure IV
Blower Testing and
Replacement
Blower Removal
Step 1. Position the gas control power switch to the “OFF” position and adjust the control
to call for heat.
Step 2. Unplug the blower power cord from the wall outlet.
Step 3. Disconnect the vent system from the exhaust adapter on top of the blower.
Step 4. Remove the brass coupling from the exhaust adapter on the blower and retain for
use on the new blower.
Step 5. Unplug the harness from the blower.
Step 6. Remove the drain hose from the
blower housing.
Step 7. Remove the hose from the pressure
switch.
Step 8. Remove the vent pipe from the
blower intake (slotted screwdriver).
Step 9. Remove the two blower mounting
screws (1/4” nut driver).
Step 10. Remove the blower from the water
heater.
Blower Installation
Step 1. Clean any debris from the jacket head of water heater.
Step 2. Set new blower with gasket in place using locating pins on blower flange to line
up with location holes in jacket head.
Step 3. Secure blower in place using mounting screws from Step 9.
Step 4. Re-install vent pipe from Step 8 into the blower intake and tighten hose clamp.
Step 5. Reconnect the hose into the pressure switch from Step 7.
Step 6. Reconnect the drain hose from Step 6 into the blower housing.
Step 7. Plug the harness into the mating connection from Step 5. Make sure the
connector latches.
Step 8. Reconnect the brass coupling into the exhaust adapter from Step 4.
Step 9. Reconnect vent system to exhaust adapter.
Step 10. Plug blower power cord into wall outlet.
Step 11. Position gas control power switch to the “ON” position.
Step 12. Verify proper blower operation.
e
r
Step 4
Step 5
Step 6
Steps 7 & 8
Step 10
Loosen hose clamp
Screw locations
Location holes
L
S
L
S
L
Unclip to remove
wire harness.
5
clip to re
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