It may work well for some but I got over 70psi (as shown on the gauge) the first time I used this product before I Deliver water to my RV off. Either the pressure does not match or the manometer is defective. Anyway, read other 1 star reviews that say the same and buy at your own risk. And if you buy, make sure you have another way to test the water pressure before use so you can at least see if it's reading the correct pressure.
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