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PPP SC-750, 3/4" NPT, Threaded Water Hammer Arrestor

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$29.31
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Model #:  SC-750
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PPP SC-750, 3/4" NPT, Threaded Water Hammer Arrestor

Precision Plumbing Products

PPP Water Hammer Arrestors are engineered to permit the impact or attaching end to match the internal cross sectional area of piping in which it is to be installed. This design assures that 100% of the surge or shock will be arrested on initial impact. A maintenance-free installation is assured when using this type of arrestor, the only moving part is the free-moving piston furnished with "O" ring seals which have been tested for reliability in excess of normal operating ranges. Water Hammer Arrestors are specified for both commercial and residential uses, for commercial laundrys, restaurants, motels and for dish washers and laundry equipment in the home.

PPP SC-750, 3/4" NPT, Threaded Water Hammer Arrestor Features:
• 6" length, 3/4" NPT connection
• May be installed in new or existing plumbing systems with a standard pipe tee
• Maintenance free - the piston is the only moving part
• Tested in excess of 500 PSI
• Tempature Range: -40°F to +212°F (-54°C to +100°C)
• Barrel-fabricated of type "K" hard drawn copper
• Operating Pressure: Designed to operate on all domestic and commercial line pressures. Normal operating pressure 35 to 250 PSIG. Spike pressure 1,500 PSIG.
• CA/VT compliant
Manufacturer: PPP
Model: SC-750
Material: Copper Product Rating: 4 Star Avg Rating
4.8/5 Stars
4 reviews
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5/5 StarsWorks better than expected | Electric sprinkler control valve is 1 inch pipe and when the vlave shuts there was a very heavy water knock and the pipes would jump. I was not sure that only one of these arrestors would be enough but was surprised it completly eliminated the problem.
Recommended? Yes.
5/5 StarsSolves irrigation hammering. | I have a small sprinkler irrigation system. Have one valve and two sprinklers on the line. This unit created silence when the valves shut-off. This works wonders. I had this unit between my automatic valve and the Febco 765 PVB (Pressure Vaccume Breaker).
Recommended? Yes.
4/5 StarsGood but not sure about Manuf's Claim | I would've given this product 5 stars except for one issue. The manufacture claims the following..."PPP Water Hammer Arrestors are engineered to permit the impact or attaching end to match the internal cross sectional area of piping in which it is to be installed. This design assures that 100% of the surge or shock will be arrested on initial impact."

I'm not sure this claim is true after reviewing the product. The threaded end only had a 1/4 inch hole on the end for a 3/4 inch pipe. So, I don't see how the manufacturer is making this claim on their "engineer[ing]." Maybe I just need to be educated but I suspect this was a marketing line which convinced me to buy this product over a competitors (Bought it online...sight unseen).

Other than that, these hammer arrestors have definitely limited the banging that was occurring with my pipes. I still might have to install a pressure regulator though because my "street" pressure is high and/or I have a loose pipe that still moves on occassion.
Recommended? Yes.
5/5 StarsWater Hammer Arrestor | This water hammer arrestor solved all my water hammer problems.
Recommended? Yes.
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