Is this a long term arrestor or do they lose effectiveness over time and need to be replaced later?

I was not impressed with the length of time the air stayed charged in these arrestors. I had to go through a bit of work to recharge the air in them. As a result, I would not recommend them to anyone to buy.

What pressure do i need to maintain? house piping is at 65 psi.

Water pressure is not effected by the arrestor so 65 PSI will be maintained in the water line after the arrestor is installed. When a shock (hammer) wave is generated, the unit will obsorb the shock wave. Follow the instructions provided with the unit to adjust the units working pressure. The unit is set at 30 psi by the manufacturer. The operating range is up to 150 psi.

What adapter do I need to make this work with outside hose bib?

This should be mounted in the line inside the wall going to the bib

So increasing the pressure setting on a hammer arrestor does what exactly?

first you need to know what your water pressure is, then put the same amount of air pressure in the arrestor with out any water pressure on it. it you increase the air pressure beyond your water pressure you greatly reduce its ability to work in its threshold. less dampening.

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🚰 Silence your pipes, amplify your comfort!

COMPACT LIGHTWEIGHT - Easy to install without adding bulk or weight to your system
PRECISION 1 2 INCH SIZE - Seamlessly integrates with standard plumbing for a flawless fit
ROBUST STEEL BRASS BUILD - Engineered for long-lasting durability and corrosion resistance
TRUSTED WATTS BRAND QUALITY - Backed by a leader in plumbing solutions for peace of mind
SILENT WATER HAMMER PROTECTION - Eliminates noisy pipe shocks, preserving your home’s tranquility

The Watts Water Hammer Arrestor (1/2In, Steel/Brass) is a compact, durable plumbing accessory designed to prevent water hammer noise and pressure surges. Crafted from a corrosion-resistant steel and brass alloy, it fits standard half-inch plumbing connections, ensuring reliable, long-term performance in residential or commercial water systems.

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€ 206.16

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TrustScore 4.5 | 7,300+ reviews

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The product exactly matches the description. Very satisfied with my purchase.

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Manufacturer	WATTS
Part number	LF150A
Item Weight	0.28 g
Product Dimensions	14.48 x 8.38 x 8.38 cm; 0.28 g
Manufacturer reference	LF150A
Size	0.5 Inch
Color	Blue
Material	Alloy Steel Brass
Item Package Quantity	1
Number Of Pieces	1
Batteries Included?	No
Batteries Required?	No

WATTSWater Hammer Arrestor (1/2In, Steel/Brass)

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