Field Barometric Damper

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ColdHouse
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Post by ColdHouse » Fri. Jan. 27, 2023 6:16 pm

From what I gather these are good dampers is that correct?
Most always seems to freely swing back and forth but sometimes I see it is open. I tap it and let it swing and then it is closed. So sometimes it gets stuck open.
Anybody have that issue and what did you do?

 
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nepacoal
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Post by nepacoal » Fri. Jan. 27, 2023 6:26 pm

I had my RC stick open in the middle of the night during a huge windstorm (45+ mph winds) and set off my basement CO detector. I put a screw in the side just before full open so it would bounce instead of stick open. Here's a link to the thread I have pictures of the screw...

Post by nepacoal - EFM 350

 
waytomany?s
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Post by waytomany?s » Fri. Jan. 27, 2023 6:29 pm

I had some POS no name on my furnace that would stick closed. I put a paperclip on it so it couldn't completely close. Not sure how to do the opposite. Is there a groove in the rod?

 
ColdHouse
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Post by ColdHouse » Fri. Jan. 27, 2023 6:34 pm

nepacoal wrote:
Fri. Jan. 27, 2023 6:26 pm
I had my RC stick open in the middle of the night during a huge windstorm (45+ mph winds) and set off my basement CO detector. I put a screw in the side just before full open so it would bounce instead of stick open. Here's a link to the thread I have pictures of the screw...

Post by nepacoal - EFM 350
Good idea! Thanks!
It looks like mine gets stuck when full open.


 
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Lightning
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Post by Lightning » Fri. Jan. 27, 2023 6:43 pm

It's true that in extreme circumstances they can stick open. I also put a "stop" in the pipe to prevent the door from reaching that position.

 
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ShawnLiNy
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Post by ShawnLiNy » Fri. Jan. 27, 2023 8:26 pm

ColdHouse wrote:
Fri. Jan. 27, 2023 6:16 pm
From what I gather these are good dampers is that correct?
Most always seems to freely swing back and forth but sometimes I see it is open. I tap it and let it swing and then it is closed. So sometimes it gets stuck open.
Anybody have that issue and what did you do?
even a quality field control will get some corrosion on the swing pins or they notch the housing slightly , which caused mine to stick I just replaced the old one with another fields

 
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McGiever
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Post by McGiever » Fri. Jan. 27, 2023 9:16 pm

Fields want theirs installed in their supplied collar…way longer throat than when using it in a simple tee fitting. But many will overlook this and stuff it on a tee anyways.

Fields will also always be happy to sell another one after a shorten life in a tee.

 
Hoytman
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Post by Hoytman » Fri. Jan. 27, 2023 9:29 pm

McGiever wrote:
Fri. Jan. 27, 2023 9:16 pm
Fields want theirs installed in their supplied collar…way longer throat than when using it in a simple tee fitting. But many will overlook this and stuff it on a tee anyways.

Fields will also always be happy to sell another one after a shorten life in a tee.
I thought they made one to fit into a “T” that was shorter? 🤷 IDK.


 
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Sunny Boy
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Post by Sunny Boy » Sat. Jan. 28, 2023 12:20 am

I have two Field Control baros. An 8 inch the oil furnace sales company installed in a regular tee and a 6 inch in my shop oil boiler regular tee. They are both about 30 years old with only a little bit of rust at some edges and they work fine.

Paul

 
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ShawnLiNy
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Post by ShawnLiNy » Sat. Jan. 28, 2023 1:54 pm

Sunny Boy wrote:
Sat. Jan. 28, 2023 12:20 am
I have two Field Control baros. An 8 inch the oil furnace sales company installed in a regular tee and a 6 inch in my shop oil boiler regular tee. They are both about 30 years old with only a little bit of rust at some edges and they work fine.

Paul
My rust was definitely operator incurred and 12 years of neglect all off season

 
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nepacoal
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Post by nepacoal » Sat. Jan. 28, 2023 2:38 pm

Hoytman wrote:
Fri. Jan. 27, 2023 9:29 pm
I thought they made one to fit into a “T” that was shorter? 🤷 IDK.
The type M requires and typically comes with a longer collar because the M's pivot point causes it to stick out farther than the RC. The longer collar keeps it out of the airflow in the pipe. For a 6" damper, the M collar sticks out 5" while the RC collar only sticks out 2".

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Hoytman
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Post by Hoytman » Sat. Jan. 28, 2023 2:40 pm

Pictures are always awesome. Thanks!

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