Model # R7284U1004

Internet #205880885

Store SKU #1001304203

Store SO SKU #1001265814

Honeywell Oil Primary Control


Oil Primary Control

$8090 /each
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Product Overview

This Universal Electronic Oil Primary Control is a line voltage, safety rated, primary control for residential oil fired burners used in boilers, forced air furnaces and water heaters. It is used with a cad cell flame sensor, operates an oil burner and optional oil valve. Applicable for use with both hydronic and forced air systems.

  • Diagnostics with actionable information: igniter spark detection, cad cell high during run, cad cell adjustment/cleaning, flame proven late in trial and low voltage alarms
  • Error logging for deep dive troubleshooting when needed: logs last 10 errors, what the error was and how many cycles ago it occurred
  • Universal and configurable
  • No external tool required, points the technician towards the cause of failure
  • Click here for more information on Electronic Recycling Programs

Info & Guides

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Product Depth (in.)
Product Height (in.)
Product Width (in.)


Accessory type
Heating Product Type
Heating Technology Type
Product Weight (lb.)

Warranty / Certifications

Manufacturer Warranty

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Customer Questions & Answers

will this replace a r818401427 control switch

will this replace a r818401427 control switch
Asked by: pinky
Hello pinky! I do apologize, but unfortunately, I am not showing a direct replacement model number for the R8184G1427 control switch. I am showing a universal replacement part of R8184G4009. I cannot say if this will work with your system without knowing a little bit more about your HVAC application. You can certainly call our Honeywell Technical Support department at (800) 468-1502 for further assistance with locating a replacement part that will work for you. Thank you.
Answered by: Honeywell Support
Date published: 2017-02-06

Will this unit replace a Honeywell R7184U for a Beckett burner?

Asked by: SM208
Yes, this is the R7184U with a digital LCD display, a major improvement. Display shows status of unit from start at standby to post purge. Also displays history and reasons for failure. It is a universal control that replaces the Honeywell L8184 series and other brand of oil burner controls. When it shuts down burner because of fault, history will display reason.
Answered by: doughess
Date published: 2017-03-16

Will this replace a Honeywell R8184G 1138?

Asked by: tim
Yes it should, it replaced my R8184G 4009, its universal, will replace the older single red button CAD relays without issue, the wiring is more complicated but is supposed to last longer than the old units.
Answered by: Apollo
Date published: 2017-03-10

will this fit a R7184B beckett furnace?--thanks

Asked by: jws4
Yes, this item will work.
Answered by: CommunityAnswer
Date published: 2016-03-29
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Customer Reviews

Oil Primary Control is rated 3.7 out of 5 by 3.
Rated 4 out of 5 by from I just installed one of these to replace my Honeywell R8184G 4009, which it will replace and it w... I just installed one of these to replace my Honeywell R8184G 4009, which it will replace and it works great. Was also cheaper than the simple electro-mechanical old one. Its universal so it will work with any cad cell setup. My only complaint was the directions that didnt give clear instructions for my particular setup. One noteworthy thing is that the limit connection must be connected to Line 1 on a direct thermostat setup like mine. The only other issue I had was that in the installer setup the setting for using "TT" seems to be reversed, no means yes and yes means no, so basically if you enable using the TT terminals it will run forever until it triggers thermal protection, but if you dont it works fine and listens to the thermostat. Someone should fix that or clarify it in the manual, the definitions of some of the settings are pretty lacking. A simple, this does this, and that does that, this connection is for this.... that type of thing would be great for more amateur installers and would probably help more than a few professionals. Besides the manual, its good! My furnace is up and running again and now I've got a neat real time OHM meter for my CAD sensor, this will enable me to monitor sensor degradation over time.
Date published: 2017-03-10
Rated 2 out of 5 by from 2 Star Review Rating provided by a verified purchaser
Date published: 2017-04-06
Rated 5 out of 5 by from Replaced R7148 1024 Primary Control I used this to replace a Honeywell R7148 1024 with the #7248 Like the diagnostic features of the read out, great for trouble shooting. I used it on a Beckett Forced Air Furnace Unit, Had to feed limit switch connection with a constant 120 volt on 7248 Primary Control to fake it out that Limit switch was closed. So unit would operate as per Honeywell.Took feed from on/off disconnect switch on unit of side.
Date published: 2015-12-09
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