Those are back flow preventers required by many building codes. If they were pressure regulators, someone would likely take them.
We have been in many parks that had notices about high water pressure. over 90psi. But they did not provide any regulators, just a warning.
2011 351RLTS Eagle, Mor/Ryde suspension & pin box
06 F350 Lariat PSD, SRW, LB, CC, EGR delete kit, 16K DrawTite hitch, Timbrens, TST TPMS
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