We have everything you need to install a central vacuum or retrofit your old one. Two inch outer diameter thin wall PVC vacuum pipe (and fittings) are standard in 99% of installations. If you have smaller pipe, there are pipe adaptors below. Use standard PVC glue for pipe and fittings.
Our Installation home page is full of links on everything you need to know about installation.
Make your own Installation Kit by using the Installation Parts Guide to quickly figure out the supplies you will need for your specific installation. All ASTM Standard F 2158-01 compliant for industry standard central vacuum pipe and fittings.
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80ft PVC Central Vac Pipe (ten 8-ft) (Ground Ship) Part#521-10
Use this vacuum pipe for seamless connections into vacuum fittings. Has 2" outer diameter whereas SCH-40 plumbing pipe is thicker and measured by inner diameter. If you need a complete lift of pipe (800ft total) enter 10 as the quantity. Maunfactured to ASTM standard F2158.
SHIPPED REGULAR GROUND ONLY.
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40ft PVC Central Vac Pipe (ten 4-ft) (Ground Ship) Part#520-10
Great for medium central vacuum jobs such as repairs, relocating a valve, adding a valve, exhausting, etc. Be sure to get extra PVC couplings (below) to fit it all together. This vacuum tubing is 2-inch outer diameter. Maunfactured to ASTM standard F2158.
SHIPPED REGULAR GROUND ONLY.
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16ft PVC Central Vacuum Pipe (four 4-foot tubes) Part#520-4
Great for small central vacuum jobs such as repairs, relocating a valve, adding a valve, exhausting, etc. Be sure to get extra PVC couplings (below) to fit it all together. This vacuum tubing is 2-inch outer diameter. Maunfactured to ASTM standard F2158.
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4ft PVC Central Vacuum Pipe (two 2-foot tubes) Part#520-2
Comes in two 2-foot sections. If putting two pieces together use a coupling. Maunfactured to ASTM standard F2158.
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90 Short PVC Vacuum Connector Part#501
Use this fitting at the mounting plates only. Being the sharpest turn in the system, potential clogging items will get caught right where they are reachable - at the inlet valve! If you need a case of these enter 90.
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90 Sweep PVC Vacuum Connector Part#502
M.D. sells the highest quality fittings. We suggest avoiding PVC sch40 fittings. They are thin and leave a 'step' where the pipe connects. Toothpicks or pins could get stuck creating clogs. Also make sure fittings have a 3/4" cuff, not 1/2", to provide strength at joints. If you need a case of these enter 75.
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90 Spigot PVC Vacuum Connector Part#503
Spigot fittings are made to fit directly into other fittings. This will prove helpful in tight spots! If you need a case of these enter 50.
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45 Degree PVC Vacuum Connector Part#504
We suggest using 45's, even two of them when possible, to use less 90's. A trick when the pipe line needs to go up or down in altitude is to angle a 90 at 45-degrees into a 45 fitting. If you need a case of these enter 80.
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45 Spigot PVC Vacuum Connector Part#505
Spigots fit directly into another fitting. If you need a case of these enter 80.
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Coupling PVC Vacuum Connector Part#507
For connecting two pieces of pipe together. If you need a case of these enter 175.
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90 Sweep Tee PVC Vacuum 3-way Connector Part#508
For connecting a branch to the main line. Be sure the airflow is correct, don't install the tee going in the wrong direction! If you need a case of these enter 55.
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Install Kit with 1 Electric Inlet Part#662HW1
Includes the items pictured and comes in a handy box straight off our warehouse shelf. Add pipe (40ft recommended) and maybe some extra couplings. Buy regular PVC cement from a local store. Includes one pure white inlet valve and backing plate. The included wire is low voltage and runs from the faceplate to the vacuum canister to turn it on. In addition, Romex (110 volt) wire from a local store is need for the 110 volts. The faceplates' 110 volt wires connect to the romex you stub out from the backing plate box during rough-in. Made by Hayden.
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Install Kit with 3 Electric Inlets Part#662HW3
Includes the items pictured and comes in a handy box straight off our warehouse shelf. Add pipe (80ft recommended) and maybe some extra couplings. Buy regular PVC cement from a local store. Includes three pure white inlet valves and backing plates. The included wire is low voltage and runs from the faceplate to the vacuum canister to turn it on. In addition, Romex (110 volt) wire from a local store is need for the 110 volts. The faceplates' 110 volt wires connect to the romex you stub out from the backing plate box during rough-in. Made by Hayden.
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Install Kit with 1 Non-Electric Inlet Part#652HW1
Includes the items pictured and comes in a handy box straight off our warehouse shelf. Add pipe (40ft recommended) and maybe some extra couplings. Buy regular PVC cement from a local store. Includes one pure white inlet valve and backing plate. The included wire is low voltage and runs from the backing plate to the vacuum canister to turn it on. The wire does NOT have 110 volts. Made by Hayden.
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Install Kit with 3 Non-Electric Inlets Part#652HW3
 1 Review - 0 Comments Includes the items pictured and comes in a handy box straight off our warehouse shelf. Add pipe (80ft recommended) and maybe some extra couplings. Buy regular PVC cement from a local store. Includes three pure white inlet valves and backing plates. The included wire is low voltage and runs from the backing plate to the vacuum canister to turn it on. The wire does NOT have 110 volts. Made by Hayden.
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45 Wye PVC Vacuum 3-way Connector Part#509
For connecting a branch to the main line. Be sure the airflow is correct, don't install the wye going in the wrong direction! If you need a case of these enter 45.
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Double Wye PVC Vacuum 3-way Connector Part#510
3 Reviews - 0 Comments
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Straight Tee PVC Vacuum 3-way Connector Part#511
The Straight Tee is not recommended for any part of a central vacuum installation. Use only when necessary. It has poor air-flow characteristics and when used for back to back inlet valves dirt is deposited behind the opposite inlet valve door.
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Pipe Strap Part#512
Used mainly in existing home installations where the pipe is visible in closets, for example. If you need a case of these enter 300.
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3-in-1 Mounting Bracket PVC Part#517
Most popular bracket for all Basic Inlet Valve Covers. For new construction nail it to a stud. For existing home installation cut the stud side off and set it in a 2x4" drywall cutout. When piping, connect a fitting such as a tight 90 or coupling to the flange. Finish it with a basic inlet valve cover. If you need a case of these enter 75.
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Metal Mounting Bracket with Spigot Part#515
5 Reviews - 0 Comments For new construction nail it to a stud. When piping, connect a fitting such as a tight 90 or coupling to the flange. Finish it with a basic inlet valve cover.
Case is 120.
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Pipe Collar Part#513
A cosmetic used in existing home installations where the pipe and low voltage wire go into the drywall. If you need a case of these enter 100.
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Exhaust Vent Door for Central Vacuum Pipe Part#518
Installed on the outside of the home to exhaust the power unit. This is not needed with M.D.'s bag type units. Fits 2" OD (Vacuum PVC Pipe). Overall size is 3-5/8"w X 4-5/8"h. If you need a case of these enter 40.
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PVC Plaster Guard (2 per pack) Part#519
In new construction installations be sure to cover up the mounting plate with a cover of some sort. Be sure drywallers know where to cut an opening. You can use a rectangle piece of cardboard to protect the hole and wires or one of these. NOTE: You'll need longer screws if your backing plate is plastic and also note that this guard covers 90% of the backing plate - the edges are open because the guard is rounded not square. If you need a case of these enter 125.
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Steel for Firewall 2 x 6 inch Part#523S
 2 Reviews - 0 Comments For new construction when the pipe line penetrates the fire barrier wall in garages, for example. Use rubber cement and couplings to connect to vacuum PVC piping.
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FireStop Ring by STI Part#513FK
Fire Stop Ring by STI was designed specifically for the central vacuum industry. It is easy to apply and very affordable.
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Fire Stop Ring Part#513F
Made by 3M, this fire stop ring fits over the pipe and collapses the PVC pipe and wire when heated. Using one on each side of the wall may be recommended for some applications. Installation Instructions opens in PDF
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2inch ID Flexible Pipe Vacuum Hose (per/foot) Part#340
Excellent for installing VacPan automatic dustpans. PVC pipe fits snuggly into the flexible pipe. Use a wire tie to fasten the flex pipe over the vacuum PVC pipe.
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Pipe Adaptor for 1.8125 inch OD pipe to 2 inch Vac Part#507P1
Adaptor used to mate older HP Vacuflo or any 1.8125 inch Outer Diameter vacuum pipe (not SCH 40) to standard 2 inch OD thinwall vacuum pipe.
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Pipe Adaptor for 1.75 inch OD pipe to 2 inch Vac Part#507P2
Adaptor used to mate smaller vacuum pipe (not SCH 40) with 1.75 inch Outer Diameter (as some Kenmore systems have) to standard 2 inch OD thinwall vacuum pipe.
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Pipe Cap, White, PVC Part#514
Used to terminate the end of a vacuum pipe. Also used to cap the unused debris intake neck on any of MD's power units. If you need a case of these enter 50.
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Muffler for vacuum fits 2-inch OD exhaust ports Part#260
Is your power unit too loud? Decrease the irritating noise by attaching this muffler to any central vacuum that has 2" OD diameter exhaust port(s). One muffler per exhaust port on the vacuum itself. Use a 90 Spigot Sweep Ell (part #503 in Pipe / Fittings) to install it vertically (if you want). If not compatible with your vacuum unit, consider a Silent Master. Total Length is 13.5 inches.
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3in1 Mounting Bracket for 2x3in wall Part#511MP
Use with 511SN when you have walls that are not as wide as standard 2x4 walls.
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Special Short 90 for 2x3in walls Part#511SN
Use only with 511MP.
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Cyclonic Pre-Filter Separator Part#110AM
Tank Only, No Motor, Pre-Unit-Filter. Debris goes into non-centered pipe and out the centered pipe to unit. Low voltage switch can be used if wanted - simply loop or home run low voltage wire to the unit. 31" tall, 14" wide, and holds 7 gallons.
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Motor Exhaust Coupling Part#507EX
Can be used in either direction. Wide side: inner diameter is 2", outer is 2-1/4". Narrow side: inner diameter is 1-7/8" and outer is 2-1/8". Central vacuum pipe fits into it to extent the exhaust. Central vacuum tubing is thin wall PVC, not SCH40. But SCH40 can be used, the 1.5" ID has a 2" OD that fits into the coupling like vacuum pipe does. The difference is SCH40 is three times thicker so the exhaust will be constricted a little, but with no adverse affects.
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Air Relief Valve for Central Vacuum Systems Part#5613ARV
The Air Relief Valve stops damage to your motor caused by clogs and blockage. In the instance that a clog or blockage occurs the valve will spring open, allowing air to the motor, which prevents damage to the motor. You will need to purchase a sweep tee connector and splice it into your pipes - the closer to the unit the better.
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