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
SEAL KITS
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PARTS COMPARISON
armstrong b&g equivalent
model size part # description model old part # new part #
S-25 to S-35, S-46
H-32 to H-41
S-55 to S-57 & H-51
to H-54 & all 1050s
½"
½"
816706-021
816706-023
SS with Buna
SS with Viton
75 to PD37,
HV to 60-14
#6 Kit
No equivalent
118681
186681
For B&G Pumps Only ¾" 810120-009
—
PD38-40,
60A BF or AB
186499
S-69,
H-63 to H-68
¾"
¾"
816707-001
816707-003
Buna
Viton
PD39,
60-15 to 60-20
No equivalent
No equivalent
—
E (old) ¼" 880200-877
E.2 G/af" 880202-677 SS with Viton
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