- #CENTURY AC MOTOR SERIAL NUMBER LOOKUP HOW TO#
- #CENTURY AC MOTOR SERIAL NUMBER LOOKUP SERIAL NUMBERS#
- #CENTURY AC MOTOR SERIAL NUMBER LOOKUP CODE#
- #CENTURY AC MOTOR SERIAL NUMBER LOOKUP SERIES#
The serial code on the nameplate is made up of thre e p a rts: serial letter (year), serial number (month), and manufacturing sequence number. General purpose AC motors, also known as induction motors, are electric motors that use a rotating magnetic field.
To identify the month and year your Century pool, spa or jetted tub motor was manufactured you need to know the serial code. AC motors are electrical devices that convert electrical current into mechanical rotational energy, or torque, by using alternating current (AC) from an electrical power grid or electrical generator. not the serial number on the external case. For Century Pool, Spa or Jetted Tub Motors. Your movement serial number may not be in exactly the same location as the one in the photo, but you are looking for the serial number that is on the watch mechanism itself. You usually have to take the back off the watch case to see the movement serial number which may appear anywhere on the watch movement. The innovative Century brand has been pioneering the use of electric motors in the HVAC, leisure water and commercial/industrial markets for over 100 years. Cases and watches were often made by different companies and each usually has its own serial number. not the serial number from the watch case. the working part with the wheels and gears. You must use the serial number from the MOVEMENT of the watch. Since your serial number falls between those two numbers, you know that your watch was made in 1917 or 1918.
#CENTURY AC MOTOR SERIAL NUMBER LOOKUP SERIAL NUMBERS#
Looking at the table of Waltham serial numbers (see example below), you can see that number 20,900,000 was made in 1917 and 21,800,000 was made in 1918 (marked in red in the table below). Note that we're using the serial number from the watch movement, not from the watch case. The first pair of numbers is the year, and the second pair of numbers is the. Let's say you have a Waltham watch with serial number 21,607,210 as shown in the photo below. The 1st and 2nd digits of the serial number are the year. So to determine when your watch was manufactured, you will need to find where your serial number fits within the range of numbers. that would make some really long pages! Our serial number tables list RANGES of serial numbers.
Many watch companies made hundreds of thousands of watches, and some companies made millions of watches! It would be impractical to list the individual serial numbers of EVERY watch made. Can't find YOUR exact serial number in our lookup tables? Most vintage Swiss pocket watches did NOT have serial numbers and can't be dated by this method.
#CENTURY AC MOTOR SERIAL NUMBER LOOKUP SERIES#
Some American watch brands did not use a consistent series of serial numbers, but most of the big manufacturers did. Not all vintage watches can be dated using the serial number. You should consult the serial number table for the specific brand of watch movement you are trying to date by selecting a company from the menu on the left. The example below uses information from the American Waltham Watch Company, but that is just an example. This page contains INSTRUCTIONS for using the serial number look-up tables that are found on many of our watch company history pages.
#CENTURY AC MOTOR SERIAL NUMBER LOOKUP HOW TO#
If you’re looking for a cross reference FAST, or simply looking to confirm what appears to be the correct replacement, email me! references available for 1,000’s of motors from manufacturers such as THE FOLLOWING:Ī.O.SMITH WESTINGHOUSE, AAON, ACME, ADDISON, AERO TECH, AIR DEC, AIRTEMP, AMANA, ARCOAIR, ARKLA, ARMSTRONG, BALDOR, BELDING GIBSON, BOHN, BOSTON GEAR, BUTLER / VENTILATOR, CALORIC, CARRIER/BDP, CENTURY ELECTRIC, CHANDLER, CLIMATE CONTROL, COLEMAN, CONSOLIDATE INDUSTRIES, COPELAND, DAY / NIGHT / PAYNE, DUO THERM, EBCO, EDISON, EMERSON, EMERSON CHROMALOX, EMERSON QUIET KOOL, EMS, EVCON, FASCO, FEDDERS, FIRST CO, FOSTER / VULCAN HART, FRANKLIN, GENERAL ELECTRIC / MARS, GIBSON / KELVINATOR, GOODMAN / JANITROL, HAYWARD, HEATCRAFT, HEIL QUAKER / ICP, HERMAN NELSON, HILL REFRIGERATION, HUSSMAN, ICE CAP, INDIANA GENERAL, INTERTHERM, JANDY / WATERPIK, JENN AIR, JET SPRAY, JOHNSON FURNACE, KEY LINE, KRACK, KRAMER TRENTON, LARKIN COIL, LEAR SIEGLER, LEECE NEVILLE, LEESON, LELAND FARADAY, LENNOX INDUSTRIES, LIEBERT, LINCOLN, MAGIC CHEF, MAINTENANCE WAREHOUSE, MARATHON, MCQUAY / SNYDER GEN, MID CONTINENT, MILLER, MORRILL MOTORS, NORDYNE, NUTONE, PAC-FAB, PACKARD, PENTAIR / PUREX, REDMOND, RHEEM, RMR, ROBERTSHAW / WESTWARD, ROTOM, RV PRODUCTS, SEIMENS, SID HARVEY, SINGER, STERLING RADIATOR, SUPCO, TECUMSEH, THERMADOR / TRADEWIND, TOSHIBA, TRANE, US ELECTRIC (U.S.E.M.), UNILUX, UNIVERSAL ELECTRIC, WAGNER, WHALEN CO, WHIRLPOOL, WHIRLPOOL / SEARS, WOOD HEATING, YORKĬlick on the links provided below to locate the cross reference for your motor.Determine the Age of your Vintage Pocket Watch How to Use our Vintage Watch Serial Number & Date Lookup Tables Instructions for using our serial number look-up tables SRVC Electric Motors offers one the Internets largest electric Motor Cross reference database! Extensive Electric Motor Cross Reference Database
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