Rittenhouse Service & Repair Forum

What transformer do I need for this?Thanks

—> Purchase or Repair: Ticket Image

— Posted by Bill Chellberg on 2010-09-18

Reply🗨️Ask a New Question Below❓


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.
Shipping/Receiving:
Industrial Electronic Repair
145 Rockwell Place Ct
Tobaccoville, NC 27050
Phone: 1-336-969-0110


Recent 312 Comments

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

—> Purchase or Repair:
#Rittenhouse by Edith Whitaker on 2012-04-10 15:32
some unit owners intercom is not working, needs repair. Who can we call on this?

—> Purchase or Repair:
#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

—> Purchase or Repair:
#Rittenhouse by Kathie Hiers on 2009-03-11 03:19
I bought a house built in 1950 with an old Rittenhouse door chime, Model #365. I have no idea if it can be repaired. I don\'t have the front door button. The inner workings are very dirty. Do you think it\'s worth sending to you? Thanks, Kathie

—> Purchase or Repair:
#Rittenhouse by Larry Yudkowitz on 2020-05-13 00:16
I have Model 380 16V. I had connected it ot a Ring Video 2 Doorbell and it worked fine for several months. Now there is a loud humm coming from the chime. I think the Ring ihas a problem. Ring says the chime may not be compatible. Ring says the model 382 is compatible. Whould you know the difference…Purchase or Repair: Ticket Image...
Show More
#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.

—> Purchase or Repair:
#Rittenhouse by Roy Snelgrove on 2011-02-24 02:47
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: Ticket Image...
Show More
#Rittenhouse by IRA G NICHOLS on 2025-07-08 20:58
I have a rittenhouse model c8204 that stopped working, had been working for years. New outside doorbell installed my be the cause.Can I test the bell by shorting the two screw terminals on the rittenhouse inside unit.

—> Purchase or Repair:
#Rittenhouse by Chris Pellicano on 2009-11-11 03:52
I would like to get an estimate on testing and repairing any needed parts of our antique ( assuming it is antique,) doorbell. I love the way it sounds, from manually striking the chimes, but doesn\'t seem to work...

—> Purchase or Repair:
#Rittenhouse by SUSAN R BOYD on 2006-05-16 13:16
My mom and dad has an old (approx.37yrs) rittenhouse intercom system and they need a replacement bulb for the main unit. I\'ve tried searchingonline but since mom nor dad know the exact part # i\'m having no luck.Dad said it was a low wattage pilot lamp?? GE19 or R19???? Any help you can offer would…Purchase or Repair: Ticket Image...
Show More
#Rittenhouse by elena fernandez on 2015-02-27 06:07
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!

—> Purchase or Repair:
#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

—> Purchase or Repair:
#Rittenhouse by Alex Gracia on 2009-11-13 05:30
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.

—> Purchase or Repair:
#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...
Show More
#Rittenhouse by pyle on 2015-07-10 18:32
Hey, the Rittenhouse C8578-1 135-7351-01 door chime went out mid-shift. Please check it out first thing in the morning. Thanks!

—> Purchase or Repair:
#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.

—> Purchase or Repair:
#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!

—> Purchase or Repair:
#Rittenhouse by Jessica Memmott on 2010-07-22 18:45
My model 552 is not working. Licensed Electrician checked it out and it need replacement parts. I want to keep actual doorbell, because of sentimental reasons.

—> Purchase or Repair:
#Rittenhouse by Barb C on 2009-03-27 12:35
Same as James Mann note - have 1970\'s Rittenhouse intercom---can we replace old system - can we purchase new units but use same wiring??

—> Purchase or Repair:
#Rittenhouse by DANNY on 2010-05-06 16:48
I AM A ELECTRICAL CONTRACTOR AND HAVE BEEN TOLD THAT NUTONE WILL WORK USING EXISTING WIRING THE PROBLEM IS NUTONE WILL NOT WARRANTY IF YOU DO NOT USE NUTONE WIRE, BUT THEY DO HAVE A 30 DAY RETURN POLICY TRY THE SYSTEM IF IT DOES NOT WORK TAKE IT BACK ASAP

—> Purchase or Repair:
#Rittenhouse by phil hartshorn on 2017-01-10 16:24
need wiring diagram for c8538r door chime

—> Purchase or Repair:
#Rittenhouse by Tom Gleason on 2011-03-31 01:27
Looking for a sequencer box for a model 552 doorbell chime. I know they are rare. Does somebody make a retro fit or do you have a good used one. If none of the above then how about schemetics and I will get one made. Thanks-Tom

—> Purchase or Repair:
#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...
Show More
#Rittenhouse by Ronda Plomteaux on 2007-08-19 15:03
I have a Rittenhouse intercom system and am unsure of the model #. It was installed in the 70\'s. I am painting my condo and would like to replace the ivory cover with a white cover. How would I go about purchasing just a cover? Thank you

—> Purchase or Repair:
#Rittenhouse by Brandon on 2010-01-02 05:17
Please contact me about the cover of the door chime Model c8204.We lost it during repainting the wall when we moved in 2 years ago.ThanksBrandon

—> Purchase or Repair:
#Rittenhouse by Tedd Boomershine on 2012-04-22 21:49
The clock works fine. Three of the door chimes work, but the fourth and fifth strikers do not work. Do you repair and or have parts to recondition? Thanks, Tedd

—> Purchase or Repair:
#Rittenhouse by lausanne walter on 2008-08-03 14:55
I have about a 1984 model, 16.5 inches by 9 inch am/fm intercom unit........unit does not work anymore. Cannot pick up radio stations by dialing the knob......do you have a replacement unit that would fit this spot? Or is it repairable?Lausanne

—> Purchase or Repair:
#Rittenhouse by Jim on 2008-12-29 15:59
Are there any Emerson Rittenhouse intercom main stations from the mid-sixties available?

—> Purchase or Repair:
#Rittenhouse by John Medina on 2013-02-22 19:58
Ubit was working fine, decided to hook up old style HI-FI unit per instructions and started blowing fuses. Looks like I created a short! Can you give me an idea of cost to repair and shipping charges? Thanks, John Medina

—> Purchase or Repair:
#Rittenhouse by Charles Sumrell on 2018-06-16 18:05
Tag on door chime unit says:Model 8846RVolt 16Rittenhouse Division Spartan ElectricFayetteville NC 28386The unit has four tubes, it has a circuit board with integrated circuits. The transformer is putting out 18.5 volts, although the unit says 16 volts on transformer and circuit board. I assume the …Purchase or Repair: Ticket Image...
Show More
#Rittenhouse by Martin on 2009-02-08 05:30
I have the exact same problem, but it\'s not caused by a lighted doorbell. Without the doorbell connect (and not crossing the wires) the chime mechanism keeps repeating. I\'m not sure whether it\'s because the contacts aren\'t lined up correctly or whether it\'s a wiring problem. I\'ve tinkered and …Purchase or Repair: Ticket Image...
Show More
#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...
Show More
#Rittenhouse by Diane McCracken on 2010-10-26 15:22
Do you sell parts? I am looking for a replacement potentiometer for an Emerson-Rittenhouse RC 633. It is labeled Clarostat 140-6747/ 135-51.

—> Purchase or Repair:
#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...
Show More
#Rittenhouse by Eric Hoffman on 2007-12-23 04:40
I have just recently purchased a house that has a Rittenhouse Model 7300 Intercom system that does not work. I am trying to find a schematic for it. I know that it is an old system, but would like to use it to monitor my young children. Any help would be appreciated.Thank you.Eric Hoffman—> …Purchase or Repair: Ticket Image...
Show More
#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...
Show More
#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...
Show More
#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.

—> Purchase or Repair:
#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

—> Purchase or Repair:
#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.

—> Purchase or Repair:
#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

—> Purchase or Repair:
#Rittenhouse by Jim Wilson on 2007-09-11 01:47
Ihave a 20 year old rittenhouse intercon that does not and love to get it working again or replaced can you help

—> Purchase or Repair:
#Rittenhouse by Michael Senay on 2011-09-08 17:07
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.

—> Purchase or Repair:
#Rittenhouse by isagani l. cua on 2015-03-13 18:40
Sir: Please help me diagnose the problem of my C8204 door chime, andthis morning I heard a noisy sound from the unit. And please give menearest service center here in Chino hills, CalifornialThanks

—> Purchase or Repair:
#Rittenhouse by Richard Greene on 2008-12-30 17:19
I own a late 60\'s Emerson Rittenhouse Model RC633 door bell Chime.The clock works fine but the door bell doesn\'t.I believe there is a problem with the motor.Can I have this unit repaired and approximately the cost?

—> Purchase or Repair:
#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...
Show More
#Rittenhouse by paul caley on 2010-10-09 16:33
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

—> Purchase or Repair:
#Rittenhouse by mike boccio on 2015-08-28 16:39
hi I have a m7034 intercome system.The out door speak into box was flooded by our sandy storm.Needs to be replaced.The wiring is good and it would be easy to replace if I had original replacement kit. thank you mike

—> Purchase or Repair:
#Rittenhouse by FLORENCE LUM on 2010-01-22 03:42
Is there someone in Honolulu, HI whom I can contact to test and repair my intercom, and replace my ON/Off switch @ the MASTER SPEAKER?We have enjoyed our unit for many years, since 1968.

—> Purchase or Repair:

Contact Us

🚑Shop Location🛠️

Industrial Electronic Repair
145 Rockwell Place Ct
Tobaccoville, NC 27050
🚑 Rush repair shipments only — no walk-ins.

📞Phone

1-336-969-0110

📦Mailing Address🚛

Industrial Electronic Repair
931-E S. Main St #204
Kernersville, NC 27284
📦 Mailing Address (for invoices or shipped repairs)
No walk-ins accepted.