Rittenhouse Service & Repair Forum
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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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
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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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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Hi there, I'm interested in purchasing the Rittenhouse C8578-1 135-7351-01 door chime. Could you please provide me with information on pricing and availability? I'm looking to source one quickly. Thank you!
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We need to replace the long tubes on these chimes. They are look bad and we have lost one of them. Do you have the 4 tubes to replace the old ones with? If so, how much are they? Patsy
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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\'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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This is a Mechanical doorbell with Electronic Control Board. I need Someone to give me an estimate for repair or tell me where I can get parts for this device. Thanks, Mark Wilson
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I have read several threads asking about updating an old Rittenhouse system. I would like to do the same, hopefully avoiding the need to replace drywall, etc., since this system is considerably larger than the Nutone products. I couldn\'t find any responses addressing whether or not there were solut…Purchase or Repair: 
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Ihave about a 30 year old rittenhouse with 4 chimes.It seems that the solenoids that activate the strikers,are getting a little lazy.I have had one apart and try to clean it ,with not much succes,I even lost one of those tiny springs. I tried to replace it with a similar one ,but it\'s not right.Do …Purchase or Repair: 
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I have an older system, it was still working but when a water pipe broke behind my kitchen wall, it soaked the unit and ruined it. I want to know how much it would cost to have it replaced so I can get back the intercom and music function. Thank youAlbert Brien
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i am looking to replace my intercom system and looking for a new system to replace it with.
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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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need diagram for wiring of C8203. Only two reds, 2 whites, where would transformer lead be?
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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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our unit has power and the light comes on but nothing works. The electrician says it is not the transformer.
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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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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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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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I would like to install my RC633 which I removed from my old house. Can you send me instructions? Thank you.
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I have a Rittenhouse master model 550 and 551 doorbell to be tested and repair if needed.
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We are experiencing a critical issue with the Rittenhouse C8578-1 135-7351-01 door chime production line. The key component responsible for the chime sound is malfunctioning, leading to a complete halt in production. Immediate repair service is required to resume operations swiftly. Please address t…Purchase or Repair: 
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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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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 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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I\'m working on a unit which has been in the family for years.Emerson- Rittenhouse RC 633, 16 voltOne of the solenoid/hammers don\'t work. Seems that the hammer is jammed in the tube. I\'d like to replace the solenoid. How may I order another one.Ron 305 803-5441
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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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The installation manual has been misplaced and I am not sure which wires go to which connection. There is a red wire, a black wire, and a yellow with a green wire. The places to connect are for the front, rear, and transformer. Please advise. Also, there is a possibility that the transformer doesn\'…Purchase or Repair: 
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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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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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Jennifer Walker:Did you ever figure out what to do about replacing your Rittenhouse unit? I\'m in the same boat!Any ideas or products you have come across on your own would be appreciated
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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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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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I need the three coils for the 526 Rittenhouse. ( a power surge burned 2 of the three).
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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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I have a model Rittenhouse # E780DC door bell push button. The center plastic button is broken. I need a replacement . I can use the whole assemblyPlease email me as to where I can buy it. Thank you.
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