Rittenhouse Service & Repair Forum
We are looking for the Rittenhouse C8931R Wireless Chime Receiver.We are an electrical contractor and are working with a customer who loves her chime system but wants to expand it to other areas of her home.Can you point me in a direction to locate one of these?Thank you.
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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
Years ago lightening hit house the chime stoped working the unit is in the kitchen and of coarse the door bell at the front door to push with finger ..doesnt work anymore can this be fixed ??/
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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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—> Purchase or Repair:
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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we bought this house with installed system. not working. power source not found.
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—> Purchase or Repair:
our unit has power and the light comes on but nothing works. The electrician says it is not the transformer.
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—> Purchase or Repair:
Have a Rittenhouse intercom system installed in 1956. There appears to be a dead short in the Master.Is there a NuTone Master AM/FM which will work with the satellite room units?
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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 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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—> Purchase or Repair:
I have an Emerson Door Bell C 8204 and it is not working. Need a response to this E- mail please.
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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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I have a Rittenhouse 631/632 doorbell that works ok but the clock motor is noisy. Can I buy a replacement motor for it?
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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 would like to know if spare components are still available? eg transistors and LM283T 5 pin audio amp or regulator? Or is there a replacement UNIT and what is the cost for a compatible unit.
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Only one of four chimes works, although we detect a faint electronic buzzing, in sequence, of the other three. For example, we hear Chime A, buzz, buzz, pause, buzz, buzz, Chime A. As cover has been lost, we suspect dust and grime is keeping the other hammers from working.Can the unit be cleaned and…Purchase or Repair: 
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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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Hello, I am living in the house I grew up in and all of a sudden I noticed thatthe front doorbell was not working. The side doorbell hasn\'t worked for a long time. I have done some research so I will give you the information I have.Nutone Chime Signal, made in USA 1952, Model K 26 902 or 002It is a…Purchase or Repair: 
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The reception is pretty poor and weak on the volume. Do your know if there is an transisterized replacement receiver that will fit into the 1970\'s model. Thanks, David......
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We have an older intercom system M9325 stations, M9318, and M9322. We are wondering if there is anything we can do to reduce the standing hum.Thanks
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This problem may be caused by a lighted doorbell. After the bell is wrung, the light will re-illuminate. When that happens it may be drawing just enough power to make the door chimes think that the button was pressed once again. This is a repeating pattern.If a lighted door button is used, the solut…Purchase or Repair: 
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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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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 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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—> Purchase or Repair:
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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—> Purchase or Repair:
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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A friend of mine has a doorbell that i am hoping to repair and would like to find the wiring diagram for it if possible. The only tag I can find on it saysArtolier Lighting & Sound Div. Emerson Electric Co. Rittenhouse Operations Honeoye Falls NY 14472 Model RC203 or RC208 Volt 10 There are three te…Purchase or Repair: 
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we have an old set of chimes which were taken from our hallway after a fire, now they require repair, model number is not visible, however, it is a four long pole, with 4 or 8 note feature.would love to repair this
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—> Purchase or Repair:
Purchased a use Rittenhous Westminster door chime / clock; Tetechron Motored, model #8633. I need a wiring diagram for this unit.Thank you,Virginia Melchi
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Our house was built in 1978 and we purchased it in 1997. It had the Rittenhouse monitor system in place with the main unit in the kitchen and smaller units scattered thought the house and in an attached apartment. The unit has never worked since we have been here and I was wondering if it is repaira…Purchase or Repair: 
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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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—> Purchase or Repair:
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…Purchase or Repair: 
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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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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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—> Purchase or Repair:
A Rittenhouse model 312 came with my home. It works but the chimes are not loud enough to heard unless you are in the room where the doorbell is mounted.I would hate to replace it because other than this it is very workable.
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—> Purchase or Repair:
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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—> Purchase or Repair:
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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—> Purchase or Repair:
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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—> Purchase or Repair:
we have modle m7035 the door bell and gate buzzer in still workes but the talk butten and volumne dose not. would like to fix or replace unitplease help thank you
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—> Purchase or Repair:
Trying to hook up ring with the rittenhouse 531 model. Not sure how the wiring should be set up? 4 white and red wires with 0-4 posts?
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—> Purchase or Repair:
I have a Rittenhouse master model 550 and 551 doorbell to be tested and repair if needed.
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—> Purchase or Repair:
Same as James Mann note - have 1970\'s Rittenhouse intercom---can we replace old system - can we purchase new units but use same wiring??
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The small piston that strikes the chime does not return back to the original position. There is a spring on the piston. It seems like the piston should have a retainer of some sort on the end to hold the spring in place. Is there supposed to be a retainer on the end of the piston to keep the spring …Purchase or Repair: ...
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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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—> Purchase or Repair:
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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—> Purchase or Repair:
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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