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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If you need your Rittenhouse unit tested or repaired,
give us a call at 1-336-969-0110.
We offer free estimates and extended warranties on the work performed.
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Industrial Electronic Repair
145 Rockwell Place Ct
Tobaccoville, NC 27050
Phone: 1-336-969-0110
Recent 314 Comments
I have a Ritten House Model 620R that needs to be repaired. The chimes are off of it and I have the motor ?? and clock box just needs to be put back together. I would love to have this repaired for my husband. We came across this clock out of a rental house we own and very sadley our renters damaged…Purchase or Repair: 
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Due to the worn-weakened spring on the hitting bar which do not pop out from the solenoid hole. Do you sell the spring or the entire solenoid with the hitting bar?
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I need to purchase a new door bell system comparable with the existing system. I have a one unit on the main level and the other in the basement. The Model number of the existing system is C8203 16 volts AC. I need both units to include outside switch. Also where are the transformers located for thi…Purchase or Repair: 
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Unit stopped working. Have 16+ volts coming to it but no sound. Assume the syncronous motor is out... Telechron model M3151, Type H18, 3.6 rpm, 60 cy, 16 v. Is the replacement motor available? Price?Could it be anything else? All wiring is in tact on board.Thanks, Bob
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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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Unit was installed late 1960\'s. Need speakers, knobs and covers to upgrade system.
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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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I am a property manager who manages a townhome with a broken Rittenhouse intercome system. The speakers on the exterior are installed in the brick so to remove them is a huge project. The main console in the kitchen is what I am looking to repair or replace. The model number is: (looks like) M7034. …Purchase or Repair: 
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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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Could you please direct me as to where I may be able to obtain a circuit diagram for a rittenhouse installed in the 1980?Many thanksJoe
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There is a malfunction in the Rittenhouse C8578-1 135-7351-01 door chime, disrupting the production line. Immediate repair is required to resume operations
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Our house came with this intercom system. Very Old I suspect. Is there anyone who could furnish me with a copy of the ownual\'s manual-instructions? Paul
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I have a Rittenhouse intercom system and am unsure of the model #. It was installed in the 70\'s. I am painting my condo and would like to replace the ivory cover with a white cover. How would I go about purchasing just a cover? Thank you
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I have a door bell Model C8229 that started to make a ringing sound. It looks as if the plates are vibrating.
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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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Can I use the existing wiring and recessed wall areas of the old system listed above with a new replacement system. If so, what new updated system will work? Thanks
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I have the exact same problem, but it\'s not caused by a lighted doorbell. Without the doorbell connect (and not crossing the wires) the chime mechanism keeps repeating. I\'m not sure whether it\'s because the contacts aren\'t lined up correctly or whether it\'s a wiring problem. I\'ve tinkered and …Purchase or Repair: 
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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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Are there any Emerson Rittenhouse intercom main stations from the mid-sixties available?
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I have a emerson rittenhouse rcm 4 main unit with IR6 speakers throughout a house i purchased and am interested in upgrading the entire system. Is there a replacement system where it can be changed out?It will be a few months before I am ready to do it, but am trying to look at options and replaceme…Purchase or Repair: 
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We have the same system in our home. Did you find any compatible system? Did you replace your system? If so, what system did you use? Thank you. We need to replace everything except the wiring.
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Do you have available a manuel for the emerson ritterhouse RCM-4 intercom. I have to re- install mine
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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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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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I need to have a bulb replacement performed on a 1980ties vintage bronze doorbell. The spring works fine but light nolonger stays on.Regards, Don
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I know this chime assembly is very old but is there a replacement kit for the hammers. they are sticking and perhaps the springs are just too soft. I\'d appreciate any help you can give me.
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Eight chime unit {552} repeats sequence continually until switch is disconnected. Switch has been replaced but problem continues----any ideas and is it repairable.....
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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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we have an old rittenhouse intercom system. the units look old but still works fairly well. need information on how to update 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 specs but Name on the system is Ritte…Purchase or Repair: 
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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: 
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Is there someone in Honolulu, HI whom I can contact to test and repair my intercom, and replace my ON/Off switch @ the MASTER SPEAKER?We have enjoyed our unit for many years, since 1968.
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Having issues with my Rittenhouse RCM-4 intercom with radio - the radio feature is not working. Need repair assistance
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My Rittenhouse Master unit has failed. Is there a replacement unit I can purchase?
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Wee have an Emerson Rittenhouse doorbell model #RC552-1. The motor has fried itself. Can you repair? Thank you. H - (805) 685-2317
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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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I purchased this residential unit in 1986. It is now giving a significant hum and does not produce all of its chimes.Does this give you a clue as to repairability?
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I need the three coils for the 526 Rittenhouse. ( a power surge burned 2 of the three).
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I have a clock and doorchimes door bell model RC-633.I would like to get relacement part for the door bell part the clock is still working.Can you help me
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—> Purchase or Repair:
I am searching for a User Manual for the Rittenhouse M9041 AM/FM Radio-Intercom system. The unit is original to the house built in 1982. I have found a tech manual with schematics but now need to locate a User Manual. Any suggestions would be appreciated. Thanks.
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