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Old 11-03-2013, 07:30   #1
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Vented loop replacement vent?

The valve on the vented loop broke off (see pic) and I cant seem to find a replacement. There is 3/8" imprinted on the white plastic hex piece thats still attached, but I cant find a make/model. Has anyone see a vented loop like this before?

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Old 11-03-2013, 08:00   #2
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Re: Vented loop replacement vent?

Quote:
Originally Posted by SailorKeddy View Post
The valve on the vented loop broke off (see pic) and I cant seem to find a replacement. There is 3/8" imprinted on the white plastic hex piece thats still attached, but I cant find a make/model. Has anyone see a vented loop like this before?

Attachment 56670
Likely a Scot Pump Co. siphon break. They are perhaps the most reliable ones out there, if they don't break off....

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Old 12-03-2013, 14:41   #3
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Looks like an engine siphon break. If so you could run a small diameter tube from the top of it discharging into the cockpit to act as a telltale to check the cooling water is working as well working as a siphon breaker.
I used a needle valve at the top of the vented loop and a copper tube. If the normal flow rate slows, I screw the valve in and back open which breaks up the salt crusty bits.
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