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CENTRAL VACUUM INSTALLATION COMPONENTS

Central Vacuum Pipe Adapters

Find central vacuum pipe adapters and reducers for connecting different tubing sizes, updating older systems and completing new installations. Whether you're replacing an outdated central vacuum power unit or adapting existing piping, the correct adapter can help create a compatible connection between components.

Some central vacuum systems manufactured before 1980 used tubing that differs from today's common 2-inch central vacuum tubing standard. Adapters may also be needed when connecting central vacuum tubing to Schedule 40 plumbing PVC or other piping configurations. Always verify actual pipe dimensions before selecting an adapter.

01
Connect Older Central Vacuum Systems

Adapt existing tubing from older central vacuum installations to compatible modern components without automatically replacing the entire piping system.

02
Transition Between Pipe Types

Find adapters for connecting central vacuum tubing with different pipe sizes or compatible plumbing PVC configurations.

03
Match the Correct Dimensions

Pipe adapters are selected by connection type and actual pipe dimensions. Check inside and outside diameters before ordering.

NEED HELP FINDING THE RIGHT PIPE ADAPTER? Our central vacuum experts can help you identify the correct adapter for older tubing, Schedule 40 PVC transitions and other piping connections.
CALL 1 (855) 649-7996
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Central Vacuum 2 x 2 Adapter (Schedule 40 to Schedule 20) Central Vacuum 2 x 2 Adapter (Schedule 40 to Schedule 20)


This adapter enables 2" Schedule 40 PVC pipe to connect to 2" Schedule 20 PVC pipe.

Direct Price: $8.95
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Central Vacuum 2" Valve Stem Extension Central Vacuum 2" Valve Stem Extension [5541]


If your home has custom, thick drywall, you can use this extender to add length to your inlet valves and connect to the rough-in.

List Price: $2.99
Direct Price: $1.35
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Pipe Adapter (2" to 1 & 13/16") Central Vacuum Pipe Adapter (2" to 1-13/16")


Upgrade your older central vacuum systems to modern 2" piping with this adapter.

List Price: $6.00
Direct Price: $4.95
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Pipe Adapter Central Vacuum Pipe Adapter (2" to 1-3/4")


This central vacuum pipe adapter allows you to add modern piping to your Kenmore central vacuum system.  This adapter converts older 1-3/4" pipe to newer 2" pipe.

List Price: $7.95
Direct Price: $5.95
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Valve Reducer Bushing Central Vacuum Valve Reducer Bushing


This central vacuum valve reducer bushing is designed to allow inlet valves to be added to your central vacuum system without the use of a mounting plate.

These are commonly ordered with a Standard Inlet Valve (24 V) [1500-1] and a 90 Degree TY Pipe Fitting (FFF) for best central vacuum airflow.

List Price: $2.46
Direct Price: $2.25
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CENTRAL VACUUM PIPE ADAPTER BUYING GUIDE

Choosing the Right Central Vacuum Pipe Adapter

Not all 2-inch piping systems use the same actual dimensions. Central vacuum tubing, plumbing PVC and older proprietary piping systems can require different connection fittings. Before ordering an adapter, identify both pipe types and measure the connections you need to join.

01 Identify Older Pipe Dimensions

Some older central vacuum systems used tubing sizes or connection designs that differ from modern standards. Measure the existing pipe and identify the manufacturer when possible. The correct adapter may allow you to retain usable existing tubing during an upgrade.

02 Understand Schedule 40 PVC Connections

Standard 2-inch Schedule 40 plumbing PVC generally has different outside dimensions than common 2-inch central vacuum tubing. A purpose-made transition adapter may be required to connect these materials. Confirm the fitting's specifications before purchasing.

03 Check Both Ends of the Adapter

An adapter must match the dimensions and connection styles of both components. Check whether each end is designed to fit inside a pipe, over a pipe or into another fitting. Do not rely on nominal pipe size alone.

EXPERT CENTRAL VACUUM ASSISTANCE

Not Sure Which Pipe Adapter You Need?

With over 40 years of central vacuum experience, our team can help you identify older piping configurations, compare pipe dimensions and select compatible adapters for your central vacuum installation.

CALL 1 (855) 649-7996