Welcome to John

We repair a wide range of John Equipment.

Ask questions, or 1-336-969-0110 for faster service.

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• 40+ years of experience repairing Industrial & Commercial units
• Certified Senior Industrial Electronics Technician
• Ability to do Reverse Engineering
• No job to big or small
• Fast turn around time on most units
• Quality of work comes before profit!
• Old Fashion Customer Service is always the right policy
• Extended warranty
• Free estimate with an approved repair
• Practical owner-operated pricing
• Purchase orders and Net 7–30 terms for approved business accounts

Send the model and part number with a description of the failure for a repairability review.

Comments for John

📝 Kevin said:

I like to know if you can get the rest of or make a complete unit out of what I just purchased on ebay. Its 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 or receiver/drier, pully for a 140 cubic inch Chevy Vega motor. I heard these are what lots of people were putting on thir Cosworth Vega for nice air. Can you help?— Purchase or Repair:

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📝 RJ Wall said:

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 with shipping to 68801 . # 3 An outlet to buy AC parts in Nebraska ? # 4 What other outter shells / cases will interchange with this one ? Thanks for your assistance to the 4 questions above !! Rich Wall Ph # 1 308 381 6111 Gr5and Island , Nebraska— Purchase or Repair:

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📝 Jason Aguiar said:

I have a air conditioner unit that is model number 258-13422.can it be repaired or tested and how much will it cost?— Purchase or Repair:

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📝 sam @ agri center said:

need to know price and availability of condencer for this unit serial number 503-7328— Purchase or Repair:

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📝 Eric Hartman said:

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!— Purchase or Repair:

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📝 Larry Wagner said:

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— Purchase or Repair:

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📝 Chett A Collins said:

Just bought 1976 ford rv that has coleman ac unit in roof/ can this be recharged?— Purchase or Repair:

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📝 Edward Filipowski said:

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— Purchase or Repair:

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📝 David Hall said:

are parts such as knobs, vents available for older units? thank you david— Purchase or Repair:

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📝 john bube said:

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— Purchase or Repair:

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