Rittenhouse Service & Repair Forum

I have a radio intercom unit that needs to be updated.

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— Posted by Melvin Chrisman on 2007-02-24

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Recent Comments Search: "Rittenhouse"

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

#Rittenhouse by Leslie Southern on 2009-06-05 13:08
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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#Rittenhouse by Paul Winchock on 2018-10-15 21:41
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: Ticket Image...
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#Rittenhouse by Sharon on 2016-11-27 00:16
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: Ticket Image...
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#Rittenhouse by Ejschreier@hotmail.com on 2015-03-25 11:15
Lost during remodeling.

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#Rittenhouse by Peter Taylor on 2013-02-15 23:47
I have a Ritten House Master Model 631 & 632 in my shop for repair. I would like to obtain a service manual for this item. Please advise if this is available. The clock is in bad shape as it fell of a wall and is in many pieces. Some of which I shall need to purchase.Please advise Peter TaylorTaylor…Purchase or Repair: Ticket Image...
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#Rittenhouse by Civitate on 2015-07-26 02:20
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: Ticket Image...
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#Rittenhouse by Derek Rust on 2008-07-26 15:22
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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#Rittenhouse by Cathy Kirkwood on 2014-08-21 21:30
I purchased a home in Honeoye Falls, NY. It has an RCM 3 intercom that works and I would like to get a manual for it. Is it possible to get instructions for it?

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#Rittenhouse by Tom Mitchell on 2005-11-30 17:54
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: Ticket Image...
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#Rittenhouse by jason surrette on 2008-05-21 22:34
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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#Rittenhouse by James A. Mann on 2008-06-26 12:40
We installed our Rittenhouse intercom system in 1978 when we built our new home. The speakers look out of date and would like a better main unit. We have 4 outside units, and 7 speakers.Can we purchase new units and still use the same wiring? Would appreciate a response ASAP. Thanks Jim MannP.S. Ple…Purchase or Repair: Ticket Image...
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#Rittenhouse by David Hocevar on 2011-12-05 17:56
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: Ticket Image...
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#Rittenhouse by Ken Bentham on 2017-04-25 21:05
Bell is connected to two doors. The front door works fine. The rear door won't ring at all. Can't tell what might be disconnected. Any ideas would be a big help. Thanks.Ken Bentham

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#Rittenhouse by STEVE on 2013-10-30 16:58
where can i find a schematic for a rittenhouse rm-20/22 intercom am fm radio

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#Rittenhouse by JENNIFER SMITH on 2011-09-21 15:16
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: Ticket Image...
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#Rittenhouse by J. G. Colbert on 2010-09-28 22:30
The rheostat is broken on this unit otherwise the unit is as melodious as it was 40 years ago.The numbers on the rheostat are 1406417 and 135-51 The motor is a Telechron synchronous motor. 118V--16 Model 3151 RPM 3. W. 4.CantI purchase the replacement rheostat and have it shipped to PMB 399 at the a…Purchase or Repair: Ticket Image...
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#Rittenhouse by Paul E. Nelson on 2009-01-19 18:06
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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#Rittenhouse by Mary Anne Fuscaldo on 2009-12-25 23:04
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: Ticket Image...
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#Rittenhouse by Bil Hoag on 2015-11-11 17:58
Installed in 1987 when we built the house. Has begun sporadic multiple, single dings, all hours, day and night. I have replaced, back up battery and fuse in motor. Now makes a fairly loud buzzing sound also. Thoughts?

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#Rittenhouse by craig cipriani on 2011-11-03 15:22
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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#Rittenhouse by Dale Adams on 2018-05-15 14:40
I need my rcm 4 repaired or replaced

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#Rittenhouse by Donna Dodson on 2007-03-02 16:22
I would like to see if I can get this to work. But I don\'t know where to start.

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#Rittenhouse by miriam spear on 2011-05-16 14:13
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: Ticket Image...
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#Rittenhouse by Janice Lopez on 2009-08-12 02:45
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: Ticket Image...
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#Rittenhouse by Scott Poulos on 2009-05-23 13:59
I am looking for a replacement unit or one that is compatable and larger to cover existing hole. please respond even if you are not interested or cant get what I need so I can try elsewere.

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#Rittenhouse by Doug on 2011-10-01 20:21
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: Ticket Image...
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#Rittenhouse by roger crosby on 2009-06-22 18:11
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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#Rittenhouse by Theresa Perkins on 2008-12-16 16:21
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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#Rittenhouse by vandewater on 2025-05-14 19:14
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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#Rittenhouse by Gord on 2011-11-24 21:00
Jessica:I have the same model door chime, with the same problem. How did u make out with yours? Do you know any of the history of this chime. From what I can surmise, it was produced after WW2 and that would fit as it was in my parents house when i was born in 1954. I have a friend that is an electr…Purchase or Repair: Ticket Image...
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#Rittenhouse by phil hartshorn on 2017-01-10 16:24
need wiring diagram for c8538r door chime

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#Rittenhouse by Jim Fields on 2012-11-19 16:03
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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#Rittenhouse by Emily Gladden on 2016-10-16 21:20
When you press our door bell button a chime is not coming out of the box in the outlet.

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#Rittenhouse by Starla Irvin on 2022-03-20 00:17
Moved in 3 years ago the AM/FM worked but nothing else. Wondering if I could get an estimate

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#Rittenhouse by Mike on 2025-06-05 15:12
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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#Rittenhouse by Bob on 2007-04-07 23:14
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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#Rittenhouse by Debbie Solovey on 2014-10-25 01:56
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: Ticket Image...
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#Rittenhouse by jimmy jamison on 2008-04-08 19:34
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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#Rittenhouse by Diane P on 2019-05-22 14:20
I have a rittenhouse westminister door chime master model 631 and 632 that I removed from my family home when it was being sold. I have everything except the Rittenhouse no. 42 transformer, which is need before the electrician can install it in my home. Do you have this transformer or know where I c…Purchase or Repair: Ticket Image...
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#Rittenhouse by Qaiser Baig on 2012-07-01 04:25
Hi,Some one open the wires of my door bell Model C8550 (in the bell). Would you please give the wiring/connection diagram for this door bell so that I can re-connect the wire to operate my door bell.You co-operation & early response will be highly appreciated.Regards,Qaiser Baig—> …Purchase or Repair: Ticket Image...
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#Rittenhouse by Irene Shefts on 2018-04-25 21:04
Model# S7808. The detector has been making loud clicks, usually two at a time. What does this mean? Replace it or cleaning. Please help very annoying.

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#Rittenhouse by john rohter on 2011-03-03 21:43
Looking for instruction for the door chime opporation.

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#Rittenhouse by vera price on 2009-07-29 12:53
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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#Rittenhouse by tony on 2011-08-16 17:00
where can i find rittenhouse intercom/radio part??

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#Rittenhouse by matt arendt on 2009-02-08 18:51
need troubleshooting info on rittenhouse model m7900 amp ser# 3060-0074-2091. also, price and availability of parts as i am working on an intercom system in a 8 unit condo.

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#Rittenhouse by patrick stark on 2013-12-05 15:48
need wiring, replacement parts and pic of the model noted above. front door pushbutton lights, but no response from chime unit. the backdoor is working normal one chime. What may be wrong? the unit has a selector switch to scroll thru various chimes.

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#Rittenhouse by Oscar Soltero on 2015-08-15 17:20
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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#Rittenhouse by curtis gast on 2015-03-16 02:25
new home to me. system not working. any help would be great. thanks

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#Rittenhouse by David Strodel on 2010-12-05 00:34
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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#Rittenhouse by Pamela Brawdy on 2008-08-19 20:43
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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Tobaccoville, NC 27050
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Industrial Electronic Repair
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