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Craftsman
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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Model diagram and schematic

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Showing 10 of 104 parts  |
Hose Clamp U19-5A
#54

Tank group diagram

Hose clamp

Part #U19-5A

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

Seal U9-99
#19

1 hp multistage jet pump diagram

Seal

Part #U9-99

Replaced by #U109-99

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Manufacturer substitution
This part replaces U9-99. Substitute parts can look different from the original.
$118.69 | 
8% OFF Phone Price : $128.69
In Stock
Wear Ring J23-11
#5

1 hp multistage jet pump diagram

Wear ring

Part #J23-11

This item is not returnable
$28.33 | 
15% OFF Phone Price : $33.33
In Stock
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

This item is not returnable
$30.49 | 
14% OFF Phone Price : $35.49
In Stock
Pump Motor Shaft Spring Retainer J24-11
#17

1 hp multistage jet pump diagram

Pump motor shaft spring retainer

Part #J24-11

This item is not returnable
$21.29 | 
19% OFF Phone Price : $26.29
In Stock
Pump Suction Pipe Seal Ring J21-18
#5

Casing adapter diagram

Pump suction pipe seal ring

Part #J21-18

$20.71
In Stock
Pump Vertical Casing Drive Pipe Seal J21-19
#6

Casing adapter diagram

Pump vertical casing drive pipe seal

Part #J21-19

$44.11
In Stock
Pump Check Valve Seat J66-13
Pump check valve seat

Part #J66-13

$169.59
In Stock
Venturi J32P-18
Venturi

Part #J32P-18

$52.51
In Stock
Pump Jet Body Leather Seal, 2-in J57-1
Pump jet body leather seal, 2-in

Part #J57-1

$63.99 | 
7% OFF Phone Price : $68.99
In Stock

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