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Shurflo Pump Question

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I am assuming that since the Shurflo instruction make no reference to teflon tape or pipe dope, the pump fittings do not need either to seal properly. Can anyone confirm this?

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Thank you @Sarah Lagano for that data point. Still interested in other observations.

Edited to add: Am I correct in my interpretation that diagram indicates that these fittings do not require anything when attached to the pump?
 

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2020 High-Extended AWD EcoBoost Cargo with windows
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I use these without tape or pipe dope.
Same. No tape or dope or anything. They seem to seal quite well - but only on the appropriate pump or filter. It seems the angle of the "cup" on the male side makes a great seal. I tried using them for other stuff and it was not so successful.
 

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2021 W2X High Roof Cargo T350, 148", EcoB, AWD, Avalanche Grey
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No tape or paste on those or they will leak. If they were simple NPT thread, then tape or paste would be needed as NPT threads are jam tight threads. Those swivel fittings are NPT but it's not the threads that seal it. They have an inner face of the white part that's required to seat against the pump to be water tight.
 
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