Astralpool FX Series Service Manual download pdf (Page 3)

SECTION 2. INSTALLATION

Proper ventilation is required for the pump to operate normally. Provide access for future service by leaving a clear

area around the pump. Allow plenty of space above the pump to remove the lid and basket for cleaning.

Replacement of an Existing Pump:

BX and CTX pumps can easily replace several other pumps including, Pentair® WhisperFlo® and Sta-Rite Max E Pro®. To

replace the Pentair® WhisperFlo®, or Max E Pro®, use the BX or CTX universal base. The base increases the total height

of the pump and the height of the suction side of the pump. (WhisperFlo® and Sta-Rite Max E Pro® are registered

trademarks of Pentair® Water Pool and Spa, Inc.) See Figure 2.

(Figure 2) BTX-CTX HEIGHT ADJUSTABLE BASE

Installation of Astral BTX-CTX Pump Base (See Figs 3a-3c):

1. The base easily mates up to the BTX or CTX pump.

a. Select the correct side of pump base for desired pump inlet elevation, without base the pump inlet

centerline (g 3a) is 8.465 in. The base additionally allows for a 9.125 or 10.75 inch pump inlet centerline

to ground clearance --which allows easy retrots from popular competitor pump products.

b. Align pump foot over mating features on adjustable base after selecting correct base side (from step 1a)

which allows for closely matching existing pump installation’s inlet centerline.

c. Apply moderate down pressure to pump foot to snap pump into base clips, locking it in place.

(Figure 3a) Pump shown without adjustable base

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Astralpool FX Series Service Manual Page 3