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Old 02-26-2019, 07:51 PM   #1
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Racor 900 petcock drain options?

Anybody retro-fitted their Racor 900s with a petcock vs the cheap but expensive Racor valve? The thread on the bottom of the bowl is an impossible to easily match 5/8 x 11 Mine are 900FGs.
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Old 02-26-2019, 08:12 PM   #2
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Greetings,
Mr. D. 5/8"X11 hard to match? It's a standard UNC size!
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Old 02-26-2019, 08:17 PM   #3
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I should say, hard to find in a hardware store or plumbing supply near me.
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Old 02-26-2019, 08:22 PM   #4
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A hydraulics or pneumatics outlet would be a likely bet. They seal, at least mine does, with an O ring.
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Old 02-26-2019, 08:23 PM   #5
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Greetings,
Mr. D. Try your local NAPA or the like. Hardware or plumbing stores are not the best source for machine tools.
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Old 02-26-2019, 09:07 PM   #6
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If you search around the web a bit, you can find the official Racor valves pretty inexpensively. Maybe 1/3 the price of your local Parker dealer.
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Old 02-26-2019, 10:55 PM   #7
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An unrelated question, but is that the same thread on the water sensor port on the 900?
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Old 02-27-2019, 12:52 AM   #8
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Don’t forget the cap or plug that is supposed to be in the valve outlet unless you are servicing the filter.
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Old 02-27-2019, 07:05 AM   #9
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Quote:
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cheap but expensive Racor valve?

Cheap but expensive?

Anyway, I got the Racor part. Seems to work. Don't remember it costing all that much...

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Old 02-27-2019, 08:07 AM   #10
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this what you looking for?


https://www.racorstore.com/racor-rk-...ve-for-ma.html
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Old 02-27-2019, 08:24 AM   #11
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They make a brass plug that screws into the bowl that has a 1/4" npt hole in it. Then thread a ball valve in, but remember to fit a plug in the bottom of the ball valve!!
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Old 02-27-2019, 11:30 AM   #12
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I don't know what year you have, but the 2002 to present RK30476 Drain Kit is about $20.
https://www.dieselfiltersonline.com/...ing-drain.html
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Old 02-27-2019, 07:27 PM   #13
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Racor 900 petcock drain options?

Found and ordered two of these. Each comes with plug as well. Click image for larger version

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Old 02-27-2019, 08:33 PM   #14
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Found and ordered two of these. Each comes with plug as well. Attachment 85909


That looks what I got when I installed a petcock on my two racors. Works well.
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Old 02-27-2019, 10:22 PM   #15
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If you search around the web a bit, you can find the official Racor valves pretty inexpensively. Maybe 1/3 the price of your local Parker dealer.

Thank you but the official Racor valves I find to be of very pour quality. We are talking about a plastic valve in a system that can drain your fuel tanks completely dry.
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Old 02-27-2019, 11:28 PM   #16
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Not sure what Racor valves you are looking at. The ones referenced above are all brass (and I think must be to be UL listed for this use).
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Old 02-27-2019, 11:57 PM   #17
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My Racor shutoff valves are brass fuel rated valves.
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Old 02-28-2019, 06:35 AM   #18
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Quote:
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Thank you but the official Racor valves I find to be of very pour quality. We are talking about a plastic valve in a system that can drain your fuel tanks completely dry.

Our newer drain valves are brass, with a positive stop plug. See the Racor site: RK 19492 UL Listed Marine Shut-off Vavle Kit.

Had the plastic ones for a while, before these newer ones... but IIRC the twist-open/closed system was a bit fiddly...

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Old 03-08-2019, 03:49 PM   #19
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Quote:
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Anybody retro-fitted their Racor 900s with a petcock vs the cheap but expensive Racor valve? The thread on the bottom of the bowl is an impossible to easily match 5/8 x 11 Mine are 900FGs.
McMaster Carr has them, https://www.mcmaster.com/brass-valves Go for the UL Listed version (required for ABYC compliance), it only turns through 90 degrees, whereas the ordinary valve handle turns 360, and a female threaded outlet, into which you screw a plug, that too is required for ABYC compliance.

This article gives you the details, and has photos of the correct, and incorrect, valves.
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Old 03-10-2019, 05:05 PM   #20
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Thx for the thread!! I too need to add a drain. I just stumbled on one made by Moeller that looks like the Racor. Check amazon. Moeller fuel shut off valve...but no safety plug
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