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 have a Ritten House RM-2 Radio Intercom in original box with original instruction booklet AND an OR-11 Outdoor Remote Station I am looking to sell.If you or someone you know would be interested, please contact me.
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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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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: 
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Hi there, I'm inquiring about the Rittenhouse C8578-1 135-7351-01 door chime. I need to know if it can be repaired or replaced. Trying to check this off my to-do list. Thank you!
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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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the Rittenhouse C8578-1 135-7351-01 door chime is down. Need someone to check it out tomorrow. Thanks!
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HAVE --MODEL DS-2 DOOR SENTRY SAYS 'NOT TO CONNECT TO POWER SOURCE OTHER THAN STANDARD 16 VOLT CHIME TRANSFORMER'NEED TESTING OF ITS TRANSFORMER.I THINK ITS THE TRANSFORMER!WHAT IS PROCESS TO FOLLOW FOR THIS?ANDREW h=773-589-0150 c=773-899-0423
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have hooked up several ways appear to only chime once as if wired for back door.clock woriks fine, does ot chime on all tones
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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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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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Dear Sir: I\'m looking for a electric schamitic for an Emerson Rittenhouse intercom Model rm20/rm22. Any help in this matter would be appropriated. Thank You, JAY
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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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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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I would like to replace my working existing RMC-4 rittenhouse intercom with a compatible unit. While using the existing wires? Suggestions _ and would you be interested in the old unit and speakers - 8 + 1 doorThanks,
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how do we get this old door chime to work again?we\'re already replacing the batteries, what else should we do?thanks
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I have a Rittenhouse Model S7806 Smoke/Fire detector system in my 3-level condo. It was there when I moved in so there is no manual for it.My problem is, after a thunder and lightening storm the other day, I came home to find all 3 units ringing. The only way I could silence them was to switch off t…Purchase or Repair: 
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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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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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When you press our door bell button a chime is not coming out of the box in the outlet.
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I know this chime assembly is very old but is there a replacement kit for the hammers. they are sticking and perhaps the springs are just too soft. I\'d appreciate any help you can give me.
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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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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
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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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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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I have a Rittenhouse Chine door bell with four long poles. The model number is c8578-1, The unit will not work, I noticed two bad diodes, and removed them I am having problems locating the right ones. Is this something you can fix?
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4 Chime Doorbell With Clock .I Need Instriution Manual and wiring DiagramArtolier Lighting & Sound Div. Emerson Electric Co. Rittenhouse Operations Honeoye Falls NY 14472 Model C8633
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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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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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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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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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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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we can not get it to chime in sequence. if doorbell is pressed it chimes once (#4).
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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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I have a rittenhouse am radio intercome that works well. It has 7 receivers + the base unit. can it be changed to fm ? I believe it is a late 60s mdel. thanks
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I have an old rittenhouse 7021 (I think) it is from 1978. It needs a new from cover and the dial to change the stations doesn\'t work. Otherwise it works. Can it be fixed and about how much?
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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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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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I have a old intercom in an apartment building that has door locks, buzzer, and voice. the call and voice speaker does not work. all the other apartments are working good. Is there a replacement for the apartment units. or a upgrade?
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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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