If you use a quality adjustable regulator with a gauge on it, few issues.
I had a simple in-line one. It dropped pressure badly at high flow rates and kept my tankless water heater from working properly when wife took a shower one time.
It's gone..and the new one works to protect my hose. Wife is now happy. Priceless.
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'The Silver HamShack' (2007 International 22FB CCD 75th Aniversary model)
Multiple Yaesu Radios inside and many antennae sprouting from roof, ProPride hitch
2012 shortbed crewcab 4x4 Toyota Taco TV with more antennae on it