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Old 10-31-2020, 08:30 AM   #1
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Racor housing

Just got a new housing for a Racor 500 filter. Thereís an odd red ring in the bowl, and Iím not sure what it is. Or where it should be. Any thoughts?

Thanks,
Ron
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Old 10-31-2020, 08:40 AM   #2
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Is that a water level indicator?
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Old 10-31-2020, 08:53 AM   #3
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I could be wrong, but it might be the seal between the bowl and the housing or the housing and the lid.

Ted
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Old 10-31-2020, 09:29 AM   #4
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My guess is that Ted is right. I don't own one of those, so not sure, but it looks like an "O"ring to me.
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Old 10-31-2020, 09:57 AM   #5
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Couple of options. (not being snippy) You want the best most accurate information.

Read the included instructions, looking at the diagrams.
Do an internet search on Racor filters, factory level.
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Old 10-31-2020, 09:59 AM   #6
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Also looks like it could be a Racor knockoff - possibly.
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Old 10-31-2020, 10:09 AM   #7
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Take the bowl off (four screws) and fish it out.

Could it be a stain from sitting at an angle with some fuel in it?
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Old 10-31-2020, 10:38 AM   #8
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Googled - "Racor 500 what is red ring in bowl"

This was one of the results from Amazon site:

https://www.amazon.com/ask/questions...rt=SUBMIT_DATE
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Old 10-31-2020, 10:44 AM   #9
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If see from the photo that the bowl is fitted with the bulge for the Parker water detector probe. I recommend getting that alarm kit and installing it with the alarm at the helm. That red o-ring is for the top to casing seal. You can fish it out without having to remove the bowl although I think it would be a good idea just to ensure the black flat seal between the bowl and the body is there.
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Old 10-31-2020, 10:44 AM   #10
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Quote:
Originally Posted by dweller View Post
Just got a new housing for a Racor 500 filter. Thereís an odd red ring in the bowl, and Iím not sure what it is. Or where it should be. Any thoughts?

Thanks,
Ron
When you open the plastic wrapper for a new Racor element, you will find 2 O-rings, The big one (shown in your photo) is for the top of the housing, to seal the lid. The small one is for the T handle attachment.
When you open your new housing, you have already found the big one. Look for the small one.
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Old 10-31-2020, 11:04 AM   #11
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Just curious - I am not a fan of Racors - what is the purpose of that hose barb fitting on the bottom of the bowl?
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Old 10-31-2020, 11:05 AM   #12
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Because the o-ring fits so easily inside the clear bowl, I would guess that it is not the ring that seals the bowl. It might be. The ring that seals the lid is even larger and I've only seen black. Your drain fitting is brass. The newer ones that I have seen (post 1990) have black plastic drain fittings. Is this one unused new old stock?
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Old 10-31-2020, 11:24 AM   #13
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Originally Posted by catalinajack View Post
Just curious - I am not a fan of Racors - what is the purpose of that hose barb fitting on the bottom of the bowl?



to drain the water and junk out of the bowl
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Old 10-31-2020, 11:28 AM   #14
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Because the o-ring fits so easily inside the clear bowl, I would guess that it is not the ring that seals the bowl. It might be. The ring that seals the lid is even larger and I've only seen black. Your drain fitting is brass. The newer ones that I have seen (post 1990) have black plastic drain fittings. Is this one unused new old stock?



you can still get the plastic drain valve model but to be compliant with ABYC standards for below deck engine room use it now has to have the brass fittings and heat deflector bowl
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Old 10-31-2020, 11:28 AM   #15
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So the hose barb screws into the larger fitting which has its own gasket/o-ring? If so, one would need to take care so as to not unscrew the entire assembly and make a mess?
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to drain the water and junk out of the bowl
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Old 10-31-2020, 11:33 AM   #16
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So the hose barb screws into the larger fitting which has its own gasket/o-ring? If so, one would need to take care so as to not unscrew the entire assembly and make a mess?
on ours I have to hold the big nut and turn the small thumb screw drain valve. I am waiting on the rebuild parts to get here now so i can rebuild ours
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Old 10-31-2020, 01:23 PM   #17
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Last summer I bought a new 500 from Racor and there was no red o-ring in there like that.
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Old 10-31-2020, 01:25 PM   #18
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Fish it out and put it in your o-ring collection.

I really like the brass fitting, all of mine are plastic. I think that the bowl protector is a useless device that obscures your view of the bowl contents. Without any kind of fire-fighting ability onboard, perhaps, but the bowl doesn't completely cover the main bowl and it "might" give you an extra moment or two before the fuel ignites but I just don't see its utility. If it was a big deal, the entire bowl would be metal.
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Old 10-31-2020, 02:01 PM   #19
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I also purchased new RACORS and they did not have the red O ring in the bowl.
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Old 10-31-2020, 02:33 PM   #20
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I also purchased new RACORS and they did not have the red O ring in the bowl.
I agree - that is why I posted this....
https://www.amazon.com/ask/questions...rt=SUBMIT_DATE
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