

Legend Brands 108980 Prochem Bypass Manifold Block Housing
Replacement bypass manifold housing for select Prochem, Sapphire Scientific, Blueline, and Legend Brands truckmount carpet cleaning machines.
This listing is for the bare bypass manifold block only. It provides the housing used to route solution through the truckmount’s bypass and pressure-control plumbing system.
Important: This is not a complete bypass manifold assembly. Screens, orifices, valves, fittings, plugs, hoses, and other components shown in diagrams or reference photos are not included unless specifically stated.
Product Details
| Manufacturer |
Legend Brands / Prochem / Sapphire Scientific |
| Current Part Number |
108980 |
| Prochem Part Number |
66-011 |
| Additional Reference Number |
15-808111 |
| Kärcher / Windsor Number |
8.618-716.0 / 86187160 |
| Component Type |
Bypass manifold block housing |
| Condition |
New OEM replacement repair part |
Reported Equipment Applications
This manifold housing has been associated with bypass systems used on select older Prochem truckmounts, including:
- Prochem Avenger
- Prochem Charger
- Prochem Champ
- Select Prochem Legend configurations
- Select Prochem Performer 405 configurations
- Other compatible Prochem, Blueline, Sapphire Scientific, or Legend Brands truckmounts using the same manifold
Compatibility can vary by machine age, serial number, and plumbing configuration. Do not order by machine model alone. Compare the part number and physical configuration with the manifold currently installed in your equipment.
What Is Included?
- One bypass manifold block housing
- Legend Brands part number 108980
What Is Not Included?
- Bypass manifold screen or strainer
- Orifice or jet
- Bypass valve
- Brass fittings or hose connections
- Plugs, seals, hoses, or mounting hardware
- Complete assembled manifold system
Related Reference Numbers
Part numbers connected with this manifold or its related assembly may include:
- 108980
- 66-011
- 66-018
- 15-808111
- 8.618-716.0
- 86187160
- 20-015 – related bypass manifold screen reference; sold separately
Before Ordering
Truckmount manufacturers may use different parts during a production run. Please confirm the number stamped on the original component or consult the machine’s parts manual. When the original part number cannot be located, send Steam-Brite the machine brand, model, serial number, and clear photos of the existing manifold and hose connections.
Frequently Asked Questions
Is this a complete bypass manifold assembly?
No. This listing is for the manifold block housing only.
Does it include the screen or orifice?
No. Internal screens, orifices, valves, and fittings must be ordered separately when required.
Will it fit every Prochem Legend or Performer 405?
Not necessarily. Parts can vary by serial number and production date. Always verify the original part number and plumbing layout before ordering.
Can this part be returned after installation?
Installed, used, contaminated, or altered repair parts are not returnable. Confirm compatibility before installation.
Product images and diagrams are for identification and reference. Components visible in reference illustrations are not included unless specifically listed under “What Is Included.” Manufacturer specifications and part-number supersessions are subject to change without notice.
Prochem 8.618-716.0Legend Brand 108980 Sapphire Scientific 66-011 Bypass Manifold block Housing Prochem 8.618-716.0
This webpage is for part 66-011 only.
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