John E. Mitchell Co Service & Repair Forum
I have a 1987 Holiday Rambler Aluma-lite motorhome. The heater core is leaking and I need a new one. I found some literature in the manual that came with the motorhome. It has a diagram and a parts list for a 07-100 heat/cool unit with the name John E Mitchell Co. on it. It is 15 and 1/2 inch X 6 and 1/4 inch X 2 inches nominally. Any help would be appreciated.Larry
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If you need your John E. Mitchell Co 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 19 Comments
Hi there,I have a John E. Mitchell a/c Unit Mark IV with the serial M-310655. Do yu perhaps have a wiring diagram of this unit? I would be happy to hear from you asap.Best regards,Kurt
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—> Purchase or Repair:
I have a Mark IV mobile air conditioner that the blower motor has failed. it is a in dash model , the motor # is 25910 (12v 3-speed single shaft CCW) do you have this part. Thank you John Bube (920) 979-3669
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—> Purchase or Repair:
Hello: I found this post about the Mark 1V caravan RV air conditioner. My unit is: Model 478 serial 491-1824 Is the parts (plastic top) anywhere to be found.
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—> Purchase or Repair:
I have an 81 Ford Mustang with a Mark IV ac unit installed and I need to replace the stock heater unit, but the condenser assembly is in the road. Do you have install instructions for your adapter kit # 8006274? Thank you, Ed
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—> Purchase or Repair:
I like to know if you can get the rest of or make a complete unit out of what I just purchased on ebay. It\'s the old Mark IV unit that came out of a 1976 Chevy Vega. I would very much like to have it retrofited with the new refrigereant. What I have is the control unit with the vents with out hoses…Purchase or Repair: 
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could you please tell me where i could get a service and repair manual for a mark iv mobile air conditioning unit. thak you for any help you can give me. mike burnash
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—> Purchase or Repair:
We have a 1971 Holiday Rambler travel trailer with the air conditioner cover broken. Is there a way to get a new cover to put back on it. It is stamped John E Mitchell Co. Rv445214. Please get back to us
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—> Purchase or Repair:
Good Day Sirs ! I have a Mark IV Caravan Unit Serial # 484 1283 Model # 478 or 47B Mounted on My 1973 LeasureTime MotorHome Roof ~ OEM , I think .. # 1 Fan still works > no cooling ( solution ?? ) # 2 Need a very good Used or new Outter Plastic Case , this one is cracked and in bad shape . Price wit…Purchase or Repair: 
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bought this antique camper, in it was this above unit....the evaporator housing and duct work is fine, but there is a missing part on the evaporator, it seems to be a piece, I think the expansion valve, as the pressure line was hanging loose, and both ends, on the coil and on the hose seem identical…Purchase or Repair: 
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Just bought 1976 ford rv that has coleman ac unit in roof/ can this be recharged?
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—> Purchase or Repair:
lookong for a pair of chrome knobs for like fridge king original john E Mitcheell e- mail me at skibige@satx.rr.com or call 210-286-4527
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—> Purchase or Repair:
hi there they will give you there correct sizes if you tell them the height paul
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—> Purchase or Repair:
Hello,I have a John E. Mitchell under dash straight cool \"Escort\" unit with some broken vents, and I would like to know if you have some replacement vents for sale?
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—> Purchase or Repair:
need to know price and availability of condencer for this unit serial number 503-7328
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—> Purchase or Repair:
Hi! I need a new shroud for a Caravan Mark IV A/C unit on a \'63 Avion travel trailer. Do you have any suggestions? Thanks a lot!
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—> Purchase or Repair:
I have a air conditioner unit that is model number 258-13422.can it be repaired or tested and how much will it cost?
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—> Purchase or Repair:
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