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Disassembly:

1.  Verify you have all necessary parts (see Table 1 below).

KIT PART NO.

COMPONENT DESCRIPTION

QUANTITY

R0591100

Blower

1

Gasket

1

Lock Washer, 1/4ʺ

4

Nut, Hex Head

4

Table 1. 

Replacement Kit parts

2.  Turn off the electrical power to the heater. 
3.  Turn off the main gas supply to the heater. 
4.  Make sure the filter pump is off and will remain off for the duration of 

the installation procedure.

5.  If the heater is below the surface level of the water in the pool or spa, 

close all shut-off valves between the heater and the pool.

6.  Remove the heater top panel and the front panel and lift the raceway 

for easier access.

7.  Unscrew four (4) hex head bolts and remove the rear brace bar for 

easier access to the blower (Figure 1). 

Figure 1. Remove Rear Brace Bar

1

2

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