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Page 27
Pressure Switch Replacement
Step 1. Move the gas control power switch to the
“OFF” position.
Step 2. Remove the three screws (Phillips screw
driver) from the control access cover on the blower as-
sembly and remove cover.
Step 3. Carefully remove pressure switch from
blower housing.
Step 4. Disconnect tubing from the pressure switch.
Pressure Switch Replacement
Gas control power
switch
WARNING
115 volt potential exposure. Use caution making voltage checks to avoid
personal injury.
Control access
cover
Slide pressure switch
in direction of arrow
while tilting slightly
away from blower
housing
Control access
cover
Pressure switch
tubing
27