Rittenhouse Service & Repair Forum

I am looking for a wiring diagram for a Rittenhouse, Spartan Electric, Fayettevile NC C8845 unit which is 30 to 35 years old. It seems to be either able to use two D cells or 16V transformer but I am got sure how to wire it up. Any ideas? Thanks.

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— Posted by Larry Graham on 2011-01-02

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If you need your Rittenhouse unit tested or repaired,
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Industrial Electronic Repair
145 Rockwell Place Ct
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Phone: 1-336-969-0110

Recent 312 Comments

#Rittenhouse by Mary Anne Fuscaldo on 2009-12-25 23:04
I moved this door chime/clock when it was working from one home to another. The electrician that hooked it up did not do it correctly and I have no schematic for how it should be wired. I know it needs three wires but not sure on which of the 7 screws they get wired to. They do not indicate Com or T…Purchase or Repair: Ticket Image...
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#Rittenhouse by matt arendt on 2009-02-08 18:51
need troubleshooting info on rittenhouse model m7900 amp ser# 3060-0074-2091. also, price and availability of parts as i am working on an intercom system in a 8 unit condo.

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#Rittenhouse by Derek Rust on 2008-07-26 15:22
I am interested in buying your intercom, I had mine accidentally ripped out during remodelling and need a replacement , does yours work ok?Derek Rust

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#Rittenhouse by Candy Cicoria on 2011-07-14 01:45
I recently moved into a house that has the Rittenhouse All Transistor RCM-1 system in every room. It\'s obvious this system has not worked in a few years, but I want to repair it and keep it with the time of the home. A newer system would take away from it\'s appeal. Is there anyone in the Tulsa, OK…Purchase or Repair: Ticket Image...
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#Rittenhouse by Chris Giebel on 2015-07-19 18:20
The Rittenhouse C8578-1 135-7351-01 is a door chime unit that is currently not working. That's the information I have so far.

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#Rittenhouse by GARY KASPRZYK on 2007-12-26 16:12
I HAVE A RITTENHOUSE INTERCOM AM/FM SYSTEM , MODEL # 9042 AND I AM TRYING TO FIND OUT WHAT SIZE[POWER REQUIREMENT] TRANSFORMER [ 4 WIRE] I NEED. I DO NOT HAVE THE OLD ONE. ANY HELP WOULD BE APPRECIATED. THANKS

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#Rittenhouse by paul suter on 2007-02-12 03:05
I have a old intercom in an apartment building that has door locks, buzzer, and voice. the call and voice speaker does not work. all the other apartments are working good. Is there a replacement for the apartment units. or a upgrade?

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#Rittenhouse by STEVE on 2013-10-30 16:58
where can i find a schematic for a rittenhouse rm-20/22 intercom am fm radio

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#Rittenhouse by John Zeitler on 2012-12-05 22:32
I am looking for the cover that is a black plastic 8 3/8\" wide, 5 1/2\" high, and 2 1/8\" deep. Any idea where I can find a suitable replacement? Thanks.

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#Rittenhouse by Tedd Boomershine on 2012-04-22 21:49
The clock works fine. Three of the door chimes work, but the fourth and fifth strikers do not work. Do you repair and or have parts to recondition? Thanks, Tedd

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#Rittenhouse by Dave Spieker on 2017-11-06 22:05
I am looking for a Rittenhouse Chime Receiver Model C8931R. Would you have one available for purchase or can you direct me to a person or another company that may have one available. Thank you!

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#Rittenhouse by DominicJ. Carini on 2009-07-23 03:03
I have a 30 year old rittenhouse door chime with the 4 sequential chimes, one of the plungers has gone lazy. I took the transformer out to try to clean it and lost the little spring that gives the plunger resistance . Do you have any ideas ?Or do you sell parts, perhaps a whole tansformer. I tried t…Purchase or Repair: Ticket Image...
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#Rittenhouse by Jim Wilson on 2007-09-11 01:47
Ihave a 20 year old rittenhouse intercon that does not and love to get it working again or replaced can you help

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#Rittenhouse by Glenn Loiselle on 2012-08-09 11:51
I have a circa 1977 Artolier Lighting and Sound door Chimes / door bell / wall clock that HUMMS all the time. MODEL # C8633Can it be repaired?

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#Rittenhouse by Richard Greene on 2008-12-30 17:19
I own a late 60\'s Emerson Rittenhouse Model RC633 door bell Chime.The clock works fine but the door bell doesn\'t.I believe there is a problem with the motor.Can I have this unit repaired and approximately the cost?

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#Rittenhouse by Roshan on 2011-04-18 18:17
I have an old Rittenhouse intercome unit, since I don\'t use it that much, I would like to replace the face of it with something newer, don\'t know if it;s possiable? please let me know how i can do this.

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#Rittenhouse by Diane McCracken on 2010-10-26 15:22
Do you sell parts? I am looking for a replacement potentiometer for an Emerson-Rittenhouse RC 633. It is labeled Clarostat 140-6747/ 135-51.

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#Rittenhouse by Don Meierhoff on 2013-01-01 10:50
Need a schematic for the Emerson-Rittenhouse Model rm20/rm22. Need to know transistor replacement numbers for the front end tuner.Thanks,Don

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#Rittenhouse by bill morrison on 2006-05-03 03:40
we have an old rittenhouse intercom system. the units look old but still works fairly well. need information on how to update system look without replacing entire system. we\'re remodeling in some areas and would like to check out updating units. don\'t have specs on the system. not sure of—> …Purchase or Repair: Ticket Image...
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#Rittenhouse by O. H. Towers on 2010-01-25 16:00
We are also electrical contractor company(Towers Electrical Serv. Inc)We are looking for a model C8931 R Chimer Receiver also a sender unit if possible.We cannot find any info on this item it was made ty Rittenhouse Fayettevilole, nc. 28302

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#Rittenhouse by Jim on 2010-05-01 22:41
I have the above model doorbell and really like the sound vs. the new \"electronic sound\" doorbells. Problem is the mechanism inside the doorbell (the part with the two knockers that the wires attach that hit the bells to make the sound) no longer works. Can I still get this part replaced and if so…Purchase or Repair: Ticket Image...
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#Rittenhouse by paul najarian on 2011-08-11 21:58
We\'ve got an old aprox. 30years old unit. signal fades in and out. Best to try and repair or do you sell new/updated maybe with cd or mp3 imputs? Also need a external outdoor speaker/intercom box. Has the 5 plug cupling. thanks,Paul

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#Rittenhouse by Mark Malan on 2017-05-17 14:32
My manual says 4-8 Note Chime Models (534, 535, 552, 577, 618, 633). I don't know which one I have. It has long chime tubes and a clock on top. The door bell works great, but the clock doesn't.

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#Rittenhouse by Charles Cheshire on 2018-07-13 22:04
Cannot reset time seems stripped.Only two of the chimes work.Where are you physically located.ROUGH repair cost.

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#Rittenhouse by Arturo nunez on 2015-03-23 00:25
the Rittenhouse C8578-1 135-7351-01 door chime is down. Need someone to check it out tomorrow. Thanks!

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#Rittenhouse by dan mazzola on 2017-02-17 16:32
need a sequence timer for a emerson rittenhouse model # 632 631

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#Rittenhouse by jason surrette on 2008-05-21 22:34
Don\'t know what\'s wrong with the unit. Do ya\'ll know what the input voltage is supposed to be? The back of the unit says only use a \"no. 35 transformer\".

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#Rittenhouse by Jason on 2021-11-27 23:30
I believe it was 16v AC current . not DC at least thats how mine is.

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#Rittenhouse by sheila on 2011-09-05 18:24
Would you know where i can find a C8931R?

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#Rittenhouse by colleen on 2010-03-10 04:32
i have a model 7035 that was removed from the wall to repair the wall. Now I need to reconnect - but don\'t know how the wires go together. Are there any instructions available?

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#Rittenhouse by DAVE ROSS on 2007-05-18 16:21
EVERYTHING WORKS FIND..JUST WANT TO UPDATE OLD UNIT

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#Rittenhouse by Jamie Wingler on 2009-08-30 05:41
I have an inoperative Rittenhouse Model 7021 intercom system as well. Can I fix it or do I have to buy new?

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#Rittenhouse by Mark Danko on 2015-09-10 19:17
Hi, need repair to this unit, sound cuts in and out when volume control knob is turned/wiggled. Moving molex 5 pin connector on circuit board also causes power to cut in and out. Mode delector knob has become stiff to operate. Please send estimate if repair is possible, thanks

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#Rittenhouse by Larry M Biviano on 2008-11-21 02:47
have hooked up several ways appear to only chime once as if wired for back door.clock woriks fine, does ot chime on all tones

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#Rittenhouse by TR on 2007-10-27 18:13
I have a Rittenhouse intercom system that was installed in the 60\'s that worked fine until recently. Everything still works fine except the main intercom/control unit. Is there a replacement unit I can buy that I can use with all my existing speakers, etc throughout the house? Even a unit that only…Purchase or Repair: Ticket Image...
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#Rittenhouse by Tracy BROWNING on 2017-01-13 09:02
I have an old Rittenhouse door chime that is missing it's tubular bells. Home built in 1932. Chime cover has two decorative brass musical notes and a few horizontal brass what look like pinstripes. After researching, I believe it's 30's vintage and original to the home. I would love i…Purchase or Repair: Ticket Image...
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#Rittenhouse by Michael Senay on 2011-09-08 17:07
My rittenhouse chime is about 15 years old and I would like to get it repair. I would like to know who can repairs it.

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#Rittenhouse by Chris Pellicano on 2009-11-11 03:52
I would like to get an estimate on testing and repairing any needed parts of our antique ( assuming it is antique,) doorbell. I love the way it sounds, from manually striking the chimes, but doesn\'t seem to work...

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#Rittenhouse by LINDA BURGESS on 2017-03-30 17:16
Have model C 8203, 10 volt door bell. Am missing the push button remote that fastens to wall outside the front door. Any suggestions?

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#Rittenhouse by k. chang on 2009-06-17 02:34
how do we get this old door chime to work again?we\'re already replacing the batteries, what else should we do?thanks

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#Rittenhouse by James Short on 2013-02-24 20:40
A plunger on my 50 year old door chime is not returning to the rest position when the door chime is not activated. The consequence is a continuous buzz and erratic operation when the button is pressed.Have I provided sufficient information to diagnose the ease of repair?Thank you.Jim—> …Purchase or Repair: Ticket Image...
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#Rittenhouse by Tobie Ross on 2018-04-13 02:54
I have a Sears Solid State Am-FM Master Station Radio/Intercom Model 113.35150 built by Emerson Electric. Can you repair this station. Please advise/

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#Rittenhouse by Don Heeter on 2017-01-17 21:38
Dear Sirs, I have a Model RM-2.It was put in when the house was built in 1966.It does not work.Thank you for your help.

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#Rittenhouse by Mark on 2017-09-04 20:48
I'm looking for a replacement circuit board for a Rittenhouse model C8538. Please let me know where I can purchase one.

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#Rittenhouse by Paul Gilbert on 2016-06-07 01:02
Need to replace existing bell system with new Paul gilbert

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#Rittenhouse by villanes on 2015-09-04 21:54
The Rittenhouse C8578-1 135-7351-01 door chime is malfunctioning and needs repair. Urgently seeking a technician to address the issue as it's disrupting daily operations.

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#Rittenhouse by Rick Martin on 2015-07-19 07:20
The Rittenhouse C8578-1 135-7351-01 door chime unit caused downtime today from 930 AM to 1145 AM, impacting our operations. Need quick resolution before the next shift. Thank you.

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#Rittenhouse by Brandon on 2010-01-02 05:17
Please contact me about the cover of the door chime Model c8204.We lost it during repainting the wall when we moved in 2 years ago.ThanksBrandon

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#Rittenhouse by George Buffington on 2006-06-01 00:00
Can the Rittenhouse C8203 doorbell be repaired or purchased as a replacement? I'm trying to check this off my to-do list. Thank you!

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#Rittenhouse by william j paveletz on 2018-03-09 19:10
i need a part model c8633 volts 16 need the main eletric gear

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