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Old 06-06-2023, 09:35 AM   #1
City: Anaheim
Vessel Name: Lady Rebel
Vessel Model: CHB 34’ tri-cabin
Join Date: Oct 2021
Posts: 3
Salt water strainer

Hello members.
I just had the thru hull valve replaced due to a restriction caused by Electrolysis
I am adding a inline strainer finally on a 40 year old CHB
I have monitoring conversations online
They never installed vented loops back then
I am going to mount it as low as possible to hopefully be at or below the water line
She is a 1983 tri cabin 34’ CHB
I refer to the aft head as the “Queens Throne”
Have any other CHB owners gone thru this upgrade?

Thanks , Mitch
Alamitos Bay,Ca.
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Old 06-06-2023, 03:20 PM   #2
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City: Au Gres, MI
Vessel Name: Black Dog
Vessel Model: Formula 41PC
Join Date: Jul 2015
Posts: 20,205
Is this strainer for the engine cooling sea water? If so you don’t want a vented loop. You want the sea water pump to prime immediately.
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Old 06-06-2023, 06:48 PM   #3
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City: Ex-Brisbane, (Australia), now Bribie Island, Qld
Vessel Name: Now boatless - sold 6/2018
Vessel Model: Had a Clipper (CHB) 34
Join Date: Jun 2008
Posts: 10,025
Welcome to the Forum, and I've moved your thread to an area more specific to your needs.
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Old 06-07-2023, 04:50 AM   #4
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City: Vermont
Vessel Name: Luna C.
Vessel Model: 1977 Marine Trader 34DC
Join Date: Sep 2020
Posts: 1,283
Not exactly sure where you are planning on adding a vented loop. I believe they are usually on discharge lines that overboard closer to the waterline.
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Old 06-07-2023, 11:20 AM   #5
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City: Fort Myers, FL... Summers in the Great Lakes
Vessel Name: Slow Hand
Vessel Model: Cherubini Independence 45
Join Date: Dec 2010
Posts: 12,447
If the objective is to prevent back flooding into the engine through the exhaust / mixing elbow, it's better to place a break between the heat exchanger and the exhaust elbow. By mounting the loop near the ceiling of the engine room, no valve is required. Only a vent line draining above the water line is required.

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Old 06-09-2023, 10:33 PM   #6
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City: Gibsons, B.C., Canada
Vessel Name: Island Pride
Vessel Model: Palmer 32'
Join Date: Oct 2007
Posts: 4,347
You need to clear up some confusion. Where is all of this going? What is the specific purpose?
What you have offered could be the raw water engine intake, the toilet intake of some other piece of equipment.
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