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Boosted Esky

Bosch 044 check valves

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Are the factory supplied check valves ok to use in a twin pump set up or is it better to use an aftermarket one like Speedflow etc? The twin pump fitting kit I bought is designed to be used with the factory valves but I havebeen told they're rubbish and can cause the pumps to be excessively noisy. Thanks

Screenshot_20190204-080910_eBay.jpg

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They aren't the best flowing items, that's the problem. I would hate to think how bad that inlet side of that setup would flow. Pumps really don't  like inlet restrictions

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Regardless the Bosch pumps are very noisy.

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