OFFICIAL SITE of Silent Master Central Vacuum with patented noise suppression sets the standard for all central vacuum models


	Designed & Assembled in USA Central Vacuums since 1961 Call us toll free: (800) 997-2278		View Cart Dealer Login

Company	Products	Dealers	Support	Education

7 reasons to install a central vacuum in your home.

Help For Your Brand (accessories, parts & more).

Navigation

SilentMaster^® Central Vacuum System

Back to all units

Customer Service:

2209 Reviews
Product Reviews:

19038 Reviews

Satisfaction Guaranteed.


We ship directly in the US and to Canada
Network with MD

Overview	Features	Specs	Technical Data	Images

SilentMaster Specs: 120vt | 240vt


SilentMaster Models	S2 120v	S4 120v	S44 120v	S5 120v
MD Part #	S1254ND	S1157ND	S1155AD	S1257ND
Complete Details - Performance - Features - Installation	PDF	PDF	PDF	PDF
Motor	Dual by-pass 5.7", 2-stg.	Single by-pass 5.7", 3-stg.	Single by-pass 5.7", 2-stg.	Dual by-pass 5.7", 3-stg.
Max Airwatt	495	458	653	905
Max Amp	16	14.1	16	27.8
WaterLift	84"	139"	148"	139"
CFM at 2"opening	166	101	130	191
Volt	120	120	120	120
Height / Width	37" / 14"	37" / 14"	37" / 14"	37" / 14"
Weight	43 lbs	42 lbs.	42 lbs.	49 lbs
Trash Capacity	12 gal.	12 gal.	12 gal.	12 gal.
Filtration Type	3 Stage HyperFlow^®
Max Ft²	6,000	6,000	8,000	20,000
Warranty	Six Years + Lifetime
Protection	Resettable Minibreaker
Construction	18 & 20 Gauge Steel
Finish	Powder-coat Paint and Sealant
Quietness	62dB_A	62dB_A	68dB_A	62dB_A

Factors other than Air Watts should be taken into consideration including: altitude, amount of hours of daily usage, complexity of pipe installation, length of furthest vacuum inlet, noise level desired, type and size of filtration, country of origin, construction materials, and budget. The square footage recommendations on this page are solely based upon the suction capabilities of the unit.

Those interested in these central vacuum systems were also interested in:

Stealth Attachment Kit	BlachHawk Kit	TurboCat Kit	Mini Electric

Site Map About MD Privacy Returns/Exchanges Shipping Rates Warranty Find Dealer Contact MD Legal Terms & Conditions

M.D. Manufacturing, Inc,
34970 McMurtrey Ave.
Bakersfield, CA 93308
Toll-Free (800) 997-2278
Phone (661) 283-7550
FAX (661) 283-7554

Shipping to US & Canada.
M.D. makes the necessary effort to offer our customers the lowest shipping rates possible, even to Canada. Review our shipping rates for more information about our low cost flat shipping.