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Water Treatment

Model # 3903005 Official Craftsman cascade water system

Here are the diagrams and repair parts for Official Craftsman 3903005 cascade water system, as well as links to manuals and error code tables, if available.

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Browse Parts for
3903005 Cascade Water System
Wear Ring J23-11
#5

1 hp multistage jet pump diagram

Wear ring

Part #J23-11

The manufacturer no longer makes this part, and there's no substitute part

Pump Vertical Casing Adapter Seal Ring, 2-in J21-17
#4

Casing adapter diagram

Pump vertical casing adapter seal ring, 2-in

Part #J21-17

The manufacturer no longer makes this part, and there's no substitute part

Venturi J32A-24D
#2A

Double pipe jets with cast iron venturi diagram

Venturi

Part #J32A-24D

The manufacturer no longer makes this part, and there's no substitute part

Guarantee F642-12966A

#NI

All parts diagram

Guarantee

Part #F642-12966A

The manufacturer no longer makes this part, and there's no substitute part

Pipe Nipple U37-55GP
#4A

Double pipe jets with cast iron venturi diagram

Pipe nipple

Part #U37-55GP

The manufacturer no longer makes this part, and there's no substitute part

Cap Screw U30-74C
Cap screw

Part #U30-74C

The manufacturer no longer makes this part, and there's no substitute part

Volute L101-36
#4

1 hp multistage jet pump diagram

Volute

Part #L101-36

The manufacturer no longer makes this part, and there's no substitute part

Closure L112-5
#45

Tank group diagram

Closure

Part #L112-5

The manufacturer no longer makes this part, and there's no substitute part

Package Jet 2974

#NI

All parts diagram

Package jet

Part #2974

The manufacturer no longer makes this part, and there's no substitute part

Adapter Body J51-1
#1

Casing adapter diagram

Adapter body

Part #J51-1

The manufacturer no longer makes this part, and there's no substitute part

Most common symptoms to help you fix your water treatment

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Effective articles & videos to help repair your water treatment

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