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I have a honeywell R8182H J aqua primary control On my heating boiler system. there is 3 adjusting knobs on it. what should they be set at?

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22yooper
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SOURCE: My central heating system comprises

You could possibly have an ignition problem. The controller will go into a lock-out condition if flame is not established. Turning the temperature control down and then back up may be serving to reset the control system so it tries again.

Posted on May 22, 2008

  • 2 Answers

SOURCE: Burnham ledv boiler, honeywell primary

I'm sorry to hear! On mine, another model of Burnham , there's a grey box (approx 4" high by 5" wide) on the front of the boiler. This cover slides off and the control settings are underneath. My manual says low limit must be 20 degrees below high limit else they will lock out each other. I find this to be the case when a maintenance man's "tuned" the settings. My manual also says to set the differential knob to 25 degrees. There are some manuals on the burnham.com site along with their phone number.

Posted on Jan 15, 2009

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I'm sorry to hear! On mine, another model of Burnham , there's a grey box (approx 4" high by 5" wide) on the front of the boiler. This cover slides off and the control settings are underneath. My manual says low limit must be 20 degrees below high limit else they will lock out each other. I find this to be the case when a maintenance man's "tuned" the settings. My manual also says to set the differential knob to 25 degrees. There are some manuals on the burnham.com site along with their phone number.

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