Rittenhouse Service & Repair Forum
Just wondering i have a rittenhouse system rcm-1 and the intercom system part does not seem to be working. We can broadcast for the main unit and it is heard in the other units but when we try to broadcast from one of the other units to the main you can not hear the person ? Anysuggestions or do you have a manual that can be downloaded?ThanksDave
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If you need your Rittenhouse unit tested or repaired,
give us a call at 1-336-969-0110.
Estimates are free with an approved repair. Declined or unrepairable units are subject to a $75 evaluation, handling, and standard return-shipping fee. Extended warranties may be available.
Shipping/Receiving:
Industrial Electronic Repair
124 Five Forks Dr PMB #208
King, NC 27021
Phone: 1-336-969-0110
Recent 315 Comments
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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Hello, I purchased my 4 note-8 note melody door chime in 1995. It has been set up on a battery operation operation
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I have a Ritten House RM-2 Radio Intercom in original box with original instruction booklet AND an OR-11 Outdoor Remote Station I am looking to sell.If you or someone you know would be interested, please contact me.
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Do you know of anyone in Central or East Central Ohio who can repair a Rittenhouse electric door chime? It has four, short brass tubes and chimes like The Westminister chimes. Thank you.
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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 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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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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The unit works, but possibly in need of some service. The AM radio works , but no FM. There is a bit of background noise in the system.
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Push the outside button and the bell does not work. It has been in the house since it was build in 1988. Any suggestions?
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My mom and dad has an old (approx.37yrs) rittenhouse intercom system and they need a replacement bulb for the main unit. I\'ve tried searchingonline but since mom nor dad know the exact part # i\'m having no luck.Dad said it was a low wattage pilot lamp?? GE19 or R19???? Any help you can offer would…Purchase or Repair: 
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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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I have a Rittenhouse Home Intercom, Model No. M7010 that had no audio. A technician said the amplifier was bad and he replaced several transistors in it, but the volume is very weak. He does not know exactly what transistors to use to replace the old ones, and does not have a schematic. Can you prov…Purchase or Repair: 
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I have a Rittenhouse model c8229 door bell in my home that is not working. I would like to have it repaired.Thank you,Jolene Gross717-781-3692
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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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I have a Rittenhouse Emerson Elec Model C8326 (perhaps 1960's) that has stopped working today. The chimes and housing seem okay, but the mechanism and bell button are old and worn out. Do you have replacement parts - and at what cost?
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Can you repair the solo kids on this 1950s era doorbell?It’s generally ok except that some of the parts that slide in the tubes to ring the chimes are lost. I could send it in or you could sell me the parts to fix it myself. Thanks,George Pond
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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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Ubit was working fine, decided to hook up old style HI-FI unit per instructions and started blowing fuses. Looks like I created a short! Can you give me an idea of cost to repair and shipping charges? Thanks, John Medina
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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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I have renovated my house. I have a Model RC577 chime that is not working. I seem to have all the parts, 4 chimes, motor, etc.Please help me figure out how to repair.thank you
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Please provide information needed to ship my unit to you for repair estimateand possible repair.I am assuming you need only the radio(master unit).Thank you!
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Drive or board failure on Rittenhouse M7012 intercom/radio. Needs immediate attention to avoid disruption. Heading to next location now.
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Removed outer casing - now doorbell doesn't work - noticed loose redwire - where do I attach?
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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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I need the three coils for the 526 Rittenhouse. ( a power surge burned 2 of the three).
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I have had this for almost 50 years and the clock does not work, for some unknown reason, and the chimes are weak sounding and miss at times. I need help. Can this be repaired?
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I get typically one of three chimes to sound when the doorbell is rung, occassionally 2 followed by a buzzing sound. Some of the wires were loose and I tightened them, but still don\'t get all the tones. Any ideas on what to do to get all three chimes to ring?
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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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Buying a condo with an inoperative Rittenhouse Model 7021 intercom system. Was constructed in late 70s. Is the technology so out of date that it is not worth restoring? Should I consider restoring the unit, about how much am I looking at? Is there a dealer here in AR, or do I have to ship it to you …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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I hav a door chime and clock rittenhouse model 631 and 632 i need a wiring diagram for. any help i can get is appriciated thank you
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Hello, I am inquiring about part number Rittenhouse C8578-1 135-7351-01, which seems to be a door chime. My client is experiencing issues with it and would like further information on how to address the problem. Thank you for your assistance.
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This unit puts out a chirping sound (Similar to sound of a smoke alarm) on a continuous basis, one chirp about every 30 seconds. Please advise what I should do, short of disconnecting the unit, to stop this annoying sound.Thank you,Richard Baer
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My model 552 is not working. Licensed Electrician checked it out and it need replacement parts. I want to keep actual doorbell, because of sentimental reasons.
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I have a Rittenhouse 550, 551 doorbell chime.The unit itself works fine. What I am missing (which someone was supposed to nor trash) is the transformer that sequences the chimes. Do you have a transformer for this that will work? And if so, obviously, what would one cost?Thank you for taking the tim…Purchase or Repair: 
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Hi, I have a Rittenhouse 330 Chime that is not working. Is there a way to get a rough estimate of cost? It may be the transformer or the hammers as they are sticky.David
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I currently have this unit for sale on ebay. the wiring is simply two wires from the 16v transformer to the appropriate screw terminals on the printed circuit board and then the \"switch leg\" from each door bell button at the doors you are using attached to the corresponding terminal screw as label…Purchase or Repair: 
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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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just a heads up that the Rittenhouse RM20/RM22 intercom with radio unit went down mid-shift. Can you please check it out and follow up during the day? Thanks!
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Art - did you get a reply in answer to your post?I am about to restore the same door chime, you may have info that can help.ThanksFred...
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HAD LIGHTNING STRIKE AND WOULD LIKE TO REPLACE IF YOU HAVE A RETRO UNIT TO REPLACE IT THANK YOU
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I have a Rittenhouse door bell model c8355 and the transformer (that is what I think it is) has failed & does nothing but hum. Can I get a new transformer? or can I buy a replacement at the local home depot or Lowes?
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