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
149
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HYDRONIC SOLUTIONS CATALOG
4030 & 4020 BASE MOUNTED PUMPS
END SUCTION
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PARTS CROSS REFERENCE
model 4030
model 4020
item description item description
100 Bearing frame assembly 202 Cover plate capscrew
101 Volute 208 Mechanical seal assembly
102 Impeller 320
103 Volute gasket 342 Water slinger
104 Volute capscrew 343
117 Impeller capscrew 401 Coupler selection table (wooden type)
118 Impeller washer 407 Coupler insert selection table (wooden type)
201 Volute cover plate
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