Rittenhouse Service & Repair Forum

Portion of control board was electrically shorted. Troubleshooting is underway. A circuit diagram and parts list would be helpful. How can I obtain them?

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— Posted by Steve Macha on 2026-05-28

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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.
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

#Rittenhouse by Norm Negus on 2010-12-02 00:14
Hello I have a Artolier Lighting and Sound Emerson Electric Co. Model C8535 the springs need replacing can you please Help thanks Norm

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#Rittenhouse by Charles Rose on 2009-12-22 23:34
Need base station repaired. Would purchase old

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#Rittenhouse by vero cho on 2007-06-19 19:49
sheetrocking my house after it was flooded by katrina, the contractor stupidly threw away the master station to my doorbell/radio/intercom system which rendered the system inoperable. i have asked an electrician friend to look at it and he cannot find a suitable retrofit. we will have to replace the…Purchase or Repair: Ticket Image...
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#Rittenhouse by Agnes R. Kellan on 2009-11-06 01:18
I have my radio-intercom since 1969--In hasn\'t worked for about three years. I have two stations.

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#Rittenhouse by Jamie Wingler on 2009-08-30 05:41
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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#Rittenhouse by sonny sadler on 2011-11-21 16:12
i would like to have an updated model the one i have was installed in 1977 it makes noise, drifts off stations all controls are noisey and sound is garbled. can you tell me where to get help.

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#Rittenhouse by Tony Falco on 2012-04-17 19:38
Do you have available a manuel for the emerson ritterhouse RCM-4 intercom. I have to re- install mine

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#Rittenhouse by Dorothy \"Ann\" Imhoff on 2014-10-23 22:17
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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#Rittenhouse by Roshan on 2011-04-18 18:17
I have an old Rittenhouse intercome unit, since I don\'t use it that much, I would like to replace the face of it with something newer, don\'t know if it;s possiable? please let me know how i can do this.

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#Rittenhouse by Snidal on 2015-08-12 07:20
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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#Rittenhouse by DominicJ. Carini on 2009-07-23 03:03
I have a 30 year old rittenhouse door chime with the 4 sequential chimes, one of the plungers has gone lazy. I took the transformer out to try to clean it and lost the little spring that gives the plunger resistance . Do you have any ideas ?Or do you sell parts, perhaps a whole tansformer. I tried t…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 dan mazzola on 2017-02-17 16:32
need a sequence timer for a emerson rittenhouse model # 632 631

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#Rittenhouse by Mark Hefner on 2013-03-03 02:30
i am looking to replace my intercom system and looking for a new system to replace it with.

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#Rittenhouse by Joe on 2012-04-18 13:36
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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#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 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 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 Jim on 2008-12-29 15:59
Are there any Emerson Rittenhouse intercom main stations from the mid-sixties available?

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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 Eric Zetterberg on 2011-02-11 19:49
I have three doorbells connrcted to chimes but only one works, any suggestions?

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#Rittenhouse by Don Heeter on 2017-01-17 21:38
Dear Sirs, I have a Model RM-2.It was put in when the house was built in 1966.It does not work.Thank you for your help.

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#Rittenhouse by DeLane Smith on 2008-09-16 13:35
I need a address to send this unit to get it repaired

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#Rittenhouse by villanes on 2015-09-04 21:54
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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#Rittenhouse by joe matthews on 2015-05-13 16:20
Unit was installed late 1960\'s. Need speakers, knobs and covers to upgrade system.

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#Rittenhouse by Jennifer Walker on 2009-04-26 01:22
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: Ticket Image...
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#Rittenhouse by Marie Gunderman on 2007-11-26 01:41
We purchased our present home in 1998. It was custom built in 1983 with many upgrades that were available at that time. Unfortunately since we have lived here the system does not work. The main unit is 17\' wide and 9\" tall. There are 12 units scattered throughout the house. They each measure 7.5\"…Purchase or Repair: Ticket Image...
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#Rittenhouse by Earl Miller on 2012-10-11 01:23
Is there a new updated unit (with new bells & whistles) that can use the existing wiring and wall recesses of the old units. If so, where can I get them and what would be a ballpark pricing? Thanks

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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 Donald Brown on 2017-07-07 23:15
I need to have a bulb replacement performed on a 1980ties vintage bronze doorbell. The spring works fine but light nolonger stays on.Regards, Don

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#Rittenhouse by Robin Campbell on 2017-09-10 05:21
I have a Rittenhouse master model 550 and 551 doorbell to be tested and repair if needed.

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#Rittenhouse by George Buffington on 2006-06-01 00:00
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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#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 Hal Hester on 2016-07-09 23:01
Similiar issue, my doorbell kept sticking. So I replaced the sticky button but now my springs inside the bell housing seem to be sprung and unable to move the plunger the full range to ring or retract.

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#Rittenhouse by Richard Burnham on 2021-03-28 21:10
Front and back door bells. I need a diagram showing how to connect the wires from the doorbells. Front works with one wire from Front doorbell going to Terminal B and the other going to Front in the 16 VAC group. I assumed one wire would go from Back doorbell to Terminal A and the other to Back in t…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 Joseph LaBarbera on 2012-06-11 14:33
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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#Rittenhouse by Dave Spieker on 2017-11-06 22:05
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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#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 Tom Bell on 2019-04-10 01:02
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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#Rittenhouse by Tracy BROWNING on 2017-01-13 09:02
I have an old Rittenhouse door chime that is missing it's tubular bells. Home built in 1932. Chime cover has two decorative brass musical notes and a few horizontal brass what look like pinstripes. After researching, I believe it's 30's vintage and original to the home. I would love i…Purchase or Repair: Ticket Image...
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#Rittenhouse by Anthony Butts on 2011-10-02 19:14
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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#Rittenhouse by Don Meierhoff on 2013-01-01 10:50
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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#Rittenhouse by stan Mc Neely on 2014-02-21 17:39
some ONE TOOK MY 577 Apart, I need a picture of how the Chimes goback on the unitTHANKS

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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 Arturo nunez on 2015-03-23 00:25
the Rittenhouse C8578-1 135-7351-01 door chime is down. Need someone to check it out tomorrow. Thanks!

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#Rittenhouse by Virginia Melchi on 2011-05-25 22:34
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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#Rittenhouse by Marlene Ilijanich on 2024-06-26 02:50
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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#Rittenhouse by Bernard Zeifang on 2014-02-18 15:19
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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#Rittenhouse by David Bergeron on 2017-10-23 07:12
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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124 Five Forks Dr PMB #208
King, NC 27021
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Industrial Electronic Repair
124 Five Forks Dr PMB #208
King, NC 27021
📦 Mailing Address (for invoices or shipped repairs)
No walk-ins accepted.