Replacement Parts

109
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HYDRONIC SOLUTIONS CATALOG
COUPLER ASSEMBLIES
PARTS COMPARISON
counter clockwise rotation
armstrong b&g equivalent
model part # description model part #
S-25,
S-34, S-35,
H-32, H-41
806026-001
†
½ × ½
75 to 150,
1½, 2,
HV, PR
118705
189110, 118712
S-45, S-46 806168-001
†
½ × ½ 2½, LD3, HD3 118723
clockwise rotation
S-55, S-57
810120-006
††
806137-001*
806140-001
½ × X
½ × X
½ × ¾
PD35, PD37
118709
118709
118708
H-51, H-52
810120-003
††
807436-000*
½ × ½
½ × ½
60-1, 60-2 (Old),
60 -1 1 (New)
118473
H-53, H-54
810120-006
††
806137-000*
½ × X
½ × X
60-3, 60-4 (Old),
60-13, 60-14 (New)
118709
118709
S-69,
H-63 to
H-68
810120-008
††
812734-000*
816665-000*
X × ½
X × ½
X × X
PD39,
60-5 to 60-10 (Old),
60-15 to 60-21 (New)
186410
186410
118476, P77265
armstrong b&g equivalent
model part # description model part #
For B&G
Pumps Only
810120-004
810120-005
75 to 150, 2, HV,
PR, 1, 1¼, 1½, 2
118706
118707
† 4-Spring type coupler.
†† 4-Spring type coupling. For use on b&g circulators only.
coupler/mounting ring kit
armstrong
model size part # description part #
48 Frame Marathon motors A/ab, T, ¼, L hp 810120-050 —
118223 (API P/N
810120-000)
118227 (API P/N
810120-001)
118228 (API P/N
810120-002)
56 Frame 1 Phase & 3 Phase
Marathon motors
½-1 hp 874055-000 —
56 Frame marathon ½, ¾ hp 874055-001 —
1 Phase Double
capacitor motors only
— — —
motor mounting rings (resilient motors)
*Flexible spacer type coupling.
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