Competitive Cross Reference

cross reference

chart

Astro 2

Three speed circulators

note:

1 Dimension and connection may vary.

2 Flange orientation may vary.

3 Supply voltage may vary.

4 Connection with ½" sweat adaptor(s).

5 Connection with ¾" sweat adaptor(s).

models armstrong part number speed b & g grundfos wilo taco

lead-free

bronze

astro

225bs ½" swt

110223-303

1 nbf-8s/lw — — —

2 — — — —

3 nbf-10s/lw up 15-18b5 star 8 bs 5 006-bc4, 006–bc7–1 ifc

astro

225bs ¾"/

swt

110223-304

1 — — — —

2 — — — —

3 — up 15-18b7 star 8 bs 7 006-b4, 006–bc7–ifc

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armstrong fluid technology

established 1934