Install Instructions
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Armstrong Pumps Manuals
Astro Series Pumps
Astro-250CI 3-Speed Cast Iron Circulator, 0-18 GPM Flow
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co
nt
e
nt
s
1.0
Introduction
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2.0
Install
ing
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2.
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T
erminal box
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2.2
Elec
trical wiring
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3.0
Check valve removal (
optional)
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Star
t up
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5.0
Installation tro
ublesho
oting guide
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