Rittenhouse Service & Repair Forum
I am looking for a wiring diagram for a Rittenhouse, Spartan Electric, Fayettevile NC C8845 unit which is 30 to 35 years old. It seems to be either able to use two D cells or 16V transformer but I am got sure how to wire it up. Any ideas? Thanks.
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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
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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—> Purchase or Repair:
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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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: 
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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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—> Purchase or Repair:
some ONE TOOK MY 577 Apart, I need a picture of how the Chimes goback on the unitTHANKS
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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...
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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:
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
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—> Purchase or Repair:
I have my radio-intercom since 1969--In hasn\'t worked for about three years. I have two stations.
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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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—> 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:
Have model C 8203, 10 volt door bell. Am missing the push button remote that fastens to wall outside the front door. Any suggestions?
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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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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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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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—> Purchase or Repair:
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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—> 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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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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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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—> Purchase or Repair:
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
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—> Purchase or Repair:
I have a Sears Solid State Am-FM Master Station Radio/Intercom Model 113.35150 built by Emerson Electric. Can you repair this station. Please advise/
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—> Purchase or Repair:
I have a emerson rittenhouse rcm 4 main unit with IR6 speakers throughout a house i purchased and am interested in upgrading the entire system. Is there a replacement system where it can be changed out?It will be a few months before I am ready to do it, but am trying to look at options and replaceme…Purchase or Repair: 
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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
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—> Purchase or Repair:
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: 
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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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—> Purchase or Repair:
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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—> Purchase or Repair:
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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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: 
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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.
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—> Purchase or Repair:
I have a Rittenhouse door bell model c8355 and the transformer (that is what I think it is) has failed & does nothing but hum. Can I get a new transformer? or can I buy a replacement at the local home depot or Lowes?
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—> Purchase or Repair:
who repairs or work on the old Rittenhouse intercom systems.I would like to do an upgrade. Since I already have holes in the wall from the old Rittenhouse. I would like to upgrade to something along this same size.
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—> Purchase or Repair:
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: 
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4 out of 10 times whenever I press the button it works.How do I know if the transformer that needs replacement or if the wiring itself that went wrong? I have replaced the button and it should not be the problem itself.How much would it cost if you send someone to fix it?Thanks.—> …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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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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—> Purchase or Repair:
A plunger on my 50 year old door chime is not returning to the rest position when the door chime is not activated. The consequence is a continuous buzz and erratic operation when the button is pressed.Have I provided sufficient information to diagnose the ease of repair?Thank you.Jim—> …Purchase or Repair: 
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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
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—> Purchase or Repair:
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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—> Purchase or Repair:
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:
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