Replacement Parts
Table Of Contents
- commercial & residential pumps
- Design Envelope Compass Circulators
- Astro 2 Circulators
- Astro 2 Hot Water Recirculation Systems
- Astro 2 24-hour timer
- Aquastat controls
- Astro Express 2 Hot Water Recirculation
- S&H 3-Piece Circulators
- 1050 & 1060 3-Piece Circulators
- E.2 Circulators
- E.2 Circulator Spool Pieces
- 4270 & 4270 Stock Motor Mounted Pumps
- 4360 Pump-in-a-Box
- 4380 Pump-in-a-Box
- Design Envelope 4300/4380 Pump-in-a-Box
- hydronic specialties
- circuit balancing valves (cbv)
- replacement parts
- parts look up
- competition circulator cross reference
- technical data
- Pump Formulas
- Pressures & Altitudes
- Freezing & Boiling Points
- Ethylene Glycol Properties
- Propylene Glycol Properties
- Water Properties
- Useful System Curve Formulas
- Pipe Maximum Pressures
- Hydraulic Resistance
- Pipe Information
- Pipe Fittings & Valves Friction Loss
- Water Flow Calculator
- Unit Conversions
- Typical Symbols
- Product Solution Outlines/Brochures
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HYDRONIC SOLUTIONS CATALOG
IMPELLERS
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PARTS COMPARISON
armstrong b&g equivalent
model size part # description model dia. new part #
H-53
5¼"
5¼"
5¼"
816303-017
816303-047
816303-317
ST
BR
NFI
60-13
5¼"
5¼"
P61010
186368
H-54
5¼"
5¼"
5¼"
816304- 017
816304-047
816304-317
ST
BR
NFI
60-14
5¼"
5¼"
118629
118626
H-63
5¾"
5¾"
174058-021
874058-051
CI
BR
60-15 5¼" —
H-64
6½"
6½"
174058-015
874058-045
CI
BR
60-16 — —
H-65
7"
7"
174058-011
174058-041
CI
BR
60-17 — —
H-66 5X" 816393-052 BR 60-18 — —
H-67
6¼"
6¼"
816393-047
816393-
017ST
BR 60-19 — —
H-68
6¾"
6¾"
816393-043
816393-
013ST
BR 60-20 — —
For
B&G
Pumps
Only
7"
7"
6"
816309-041
816310-041
816311-041
BR
BR
BR
60
1-½A
60 2A
PD-38,
39, 40
Various
Various
Various
P57445
P57450
118453