Rittenhouse Service & Repair Forum
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
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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 312 Comments
wonder if I can acquire 1of the 3 boxes that throws the donger to. ring the far right chime of 3
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I have a very old doorbell/ clock combination. The Model # is 450. The chimes work but not the clock. Since it is installed into the wall is there one the will replace using the same insert?
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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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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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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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Please provide an update on the status of the Rittenhouse C8578-1 135-7351-01 door chime unit. It is still not functioning, and we need attention on this matter soon. Thank you.
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My Rittenhouse Master unit has failed. Is there a replacement unit I can purchase?
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Hello, I have a rittenhouse door sentry. #M9035 w/ a M 9305 door station. The indoor station seems to work, it unlocks the door when the button is pushed. The M9305 out side station is my problem, the speaker is fried and the button is missing. Would you have these items? or where I might find them.…Purchase or Repair: 
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The door chime is not working properly in that some of the hammers are not striking properly. sometimes they reach the tubes and sometimes not. They are all active but not as strong as they should be .I have turned down the adjuster and none strike and when turned up, it is as I have described . The…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 have a RM-2 or a M9401 rittnhouse intercom I need a manual or schematic.any ideas where to locate.Don
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Hello. I have an Emerson-Rittenhouse Door Chime Model RC577 and it has quit working. I was wondering if there is a replacement transmitter available for this chime. It has the motor attached to the transmitter so I don\'t htink I can get a replacement at a store. Any information you could give me wo…Purchase or Repair: 
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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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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: 
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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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I have a ritenhouse emerson door chime unit. It just started chimeing for no reason I had to disconnect it to silence it. Now when I hooked it back up nothing happens. Clock doesn\'t work, chimes don\'t work.Model 086331 4 tubed chime It also has a teledcrome syncronis motor. Any hope for it.Thank Y…Purchase or Repair: 
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I have a rittenhouse am radio intercome that works well. It has 7 receivers + the base unit. can it be changed to fm ? I believe it is a late 60s mdel. thanks
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I TOOK THE CLOCK TO A ANTIQUE DEALER HE TOOK THE MOTOR OUT AND REPLACED IT WITH A BATTERY UNIT. I AM LOOKING TO REPLACE IT BACK WITH THE ORIGINAL MOTOR.
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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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My sister inlaw gave me this doorbell clock, I do not have the chimes the model number is RC6333. Can you help.
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Hey, the Rittenhouse C8578-1 135-7351-01 door chime went out mid-shift. Please check it out first thing in the morning. Thanks!
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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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I AM LOOKING FOR A DOOR CHIME FOR MY BUSINESS THAT WHEN SOMEONE ENTERS THE FRONT DOOR THAT I WILL BE ABLE TO HEAR THE CHIME IN OTHER AREAS OF MY BUILDING AS WELL. I NEED SOMETHING THAT WILL HAVE A LOUD CHIME BECAUSE MY BUILDING HAS MACHINERY RUNNING ALL THE TIME. CAN YOU SEND ME SOME INFORMATION. TH…Purchase or Repair: 
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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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Was working well until I sanded and painted the kitchen. I took the chimes down to paint, put them back and nothing works. I get voltage coming in but it doesn\'t move anything.
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I have a schematic for Models M7010, M7011, M7012, M7020. The document also has AM Alignment, FM Alignment, Troubleshooting chart, and list of replacement parts for printed circuit board.
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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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HiI have the above chime box and wish to re assemble it. I took it down for decorating purposes.There is a black/dark blue wire, a yellow wire and a red wire. There is trans, front and rear. My question is what wire goes with what?Many thanks Michael Donnelly
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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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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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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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we can not get it to chime in sequence. if doorbell is pressed it chimes once (#4).
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plungers have stopped (tried lube) is model w clock can they be replaced by myself or must this be done by a pro or can the entire panel be more easily replaced thank you
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I have a Rittenhouse / Emerson intercom system with individual stations for each room. Two of the intercom speakers nolonger work. When I opened them they have one red, one yellow and one black wire leading from the unit. Is it possible to get them worked on or replaced. They measure 8 3/4\" long X …Purchase or Repair: 
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I have the above mentioned door chime (Rittenhouse door chime model C8536) that does not work correctly. There where some broken wires from the transformer coils that I soldered back on and now it does not work correctly. Do you have a schematic for this unit?
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HAVE --MODEL DS-2 DOOR SENTRY SAYS 'NOT TO CONNECT TO POWER SOURCE OTHER THAN STANDARD 16 VOLT CHIME TRANSFORMER'NEED TESTING OF ITS TRANSFORMER.I THINK ITS THE TRANSFORMER!WHAT IS PROCESS TO FOLLOW FOR THIS?ANDREW h=773-589-0150 c=773-899-0423
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This is a two unit intercom and door opener for apartments. Presently, it has current but buzzes the door open without pushing the switch, and has no voice tones.
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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 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 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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Would like to know if there is a replacement for this unit or where I can find a replacement knob for the Talk Listen stalk.
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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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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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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\'M A ROOFING CONTRACTOR IN HOUSTON. WHILE WORKING ON A PROJECT WE BROKE SOME INTERCOM SPEAKER BOXES AND I RPLACE THEM. I WOULD LIKE TO IF SELL THESE INTERCOM SPEAKERS.
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