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Monitor GF Natural Gas Orifice (Standard) Kit with Air Damper Parts:  6657 and 6653   Monitor GF500 Orifice NG



Fits:  Monitor GF 500, Monitor GF 3800


  • Standard Natural Gas Orifice  Part # 6657
  • Standard Natural Gas Air Damper  Part # 6653


The Monitor GF500 Orifice NG and Air Damper in this listing are for installation below 2000' altitude.  If you are above that, you will need a different orifice and air damper.  


SHIPPING: We ship SAME BUSINESS DAY if payment is received by our daily deadline excluding holidays & when we put our store on vacation or when handling time has been increased temporarily.

If you need a shipping option other than the ones we have listed, such as INTERNATIONAL, OVERNIGHT, FEDEX or UPS, etc, contact us PRIOR to ordering and we will make the option available for you. We are limited in the number of options that we can offer in the listing but will be happy to add on any option that you need.


INTERNATIONAL BUYERS: Returns are NOT accepted for International Buyers. We are not liable for lost, damaged or stolen items. We please advise you to "Buy at your own risk" when purchasing internationally as the package is out of our control once it leaves the United States. You may incur additional expenses and or fees charged by your country for this item. The price that you have paid us for shipping only covers shipping the item to you, it does not cover additional fees (import, taxes, etc.) that may be required and collected by your country.


FEEDBACK: Customer satisfaction is our #1 goal and we strive to earn 5 star positive feedback on every item. If you are pleased with your purchase, we would greatly appreciate if you would take a moment to leave positive feedback. If you have any issues with your purchase, please contact us directly to resolve the issue so that we can earn your positive feedback.


Thank You for Shopping!!!

6657 Monitor GF500 Orifice NG ( Natural Gas - Standard) Kit with Air Damper

Out of Stock
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