{"product_id":"supply-giant-is-d-1nqu-type-c-straight-water-arrestor-stops-water","title":"Supply Giant IS-D-1NQU Type C Straight Water Arrestor - Stops Water","description":"\u003cp\u003eIn this review the Supply Giant IS-D-1NQU Type C straight water arrestor is judged as a no-nonsense plumbing fix for fast-closing valves and appliance hookups. The bottom line: it is aimed at homeowners and light-commercial technicians who need a compact, lead free device to reduce or eliminate water hammer; the arrestor's construction and compatibility make it a practical choice for dishwashers, washing machines and hose bibs where banging or sudden pressure spikes are a problem. Installation simplicity and NSF-approved, lead free design are the single biggest reasons to consider it.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLead free construction:\u003c\/strong\u003e The arrestor is made with lead free materials and is NSF approved, which helps meet safety and water quality expectations in many installations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3\/4 in male NPT connection:\u003c\/strong\u003e The threaded 3\/4 in male NPT connection allows direct fitting to common residential piping and appliance outlets for quick installation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSolder and push-fit compatibility:\u003c\/strong\u003e The copper straight design can be soldered to copper fittings and also works with push-fit and press-fit systems for flexible joining methods.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact Type C size:\u003c\/strong\u003e The Type C straight profile is compact enough for tight spaces behind appliances and in crawlspaces where longer arrestors won't fit.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMitigates water hammer:\u003c\/strong\u003e It is designed specifically to absorb pressure spikes from fast-closing valves, protecting seams and couplings from hammer-related stress and leaks.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWho It's For\u003c\/h2\u003e\u003cp\u003eThis arrestor is best for homeowners, plumbers, and maintenance techs fitting or upgrading residential connections to dishwashers, washing machines, irrigation hose bibs and other quick-closing valves that commonly cause banging. It suits retrofit jobs where space is limited and a short straight unit with a male NPT thread is needed.\u003c\/p\u003e\u003cp\u003eThose needing large-capacity commercial arrestors or specialized industrial dampening should look elsewhere; similarly, if a different thread size or an angled body is required, choose a model matched exactly to that piping layout rather than adapting this straight Type C unit.\u003c\/p\u003e\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSolid, copper-based build with lead free materials and NSF approval adds confidence for potable water systems.\u003c\/li\u003e\n\u003cli\u003eEasy installation options: compatible with soldering, push-fit and press-fit systems and provides a standard 3\/4 in male NPT connection.\u003c\/li\u003e\n\u003cli\u003eEffectively reduces water hammer for many residential applications, with multiple users reporting reduced banging and improved system longevity.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSome users report mixed noise outcomes, so performance may vary with system layout and pipe volume.\u003c\/li\u003e\n\u003cli\u003eAs a compact Type C straight arrestor, it is not suited to installations that require larger capacity or an angled fitting.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart number\u003c\/td\u003e\n\u003ctd\u003eIS-D-1NQU\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eType\u003c\/td\u003e\n\u003ctd\u003eType C straight water arrestor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnection\u003c\/td\u003e\n\u003ctd\u003e3\/4 in threaded male NPT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eCopper body, lead free construction\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApprovals\u003c\/td\u003e\n\u003ctd\u003eNSF approved\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTypical uses\u003c\/td\u003e\n\u003ctd\u003eResidential water hammer arrestor for dishwashers, washing machines, hose bibs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eOur Verdict\u003c\/h2\u003e\u003cp\u003eThe Supply Giant IS-D-1NQU Type C straight water arrestor is a practical, value-oriented choice for residential and light-commercial plumbing where a compact, lead free device with a 3\/4 in male NPT connection is required. It offers flexible installation options and reliable mitigation of water hammer in most home appliance and hose bib scenarios, making it a sensible buy for plumbers and DIYers wanting to protect piping and reduce banging.\u003c\/p\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eWill this fit my dishwasher or washing machine?\u003c\/strong\u003e\u003cbr\u003eIt fits applications that accept a 3\/4 in male NPT connection; confirm your appliance or shutoff fitting uses that thread before purchasing.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCan it be soldered to copper piping?\u003c\/strong\u003e\u003cbr\u003eYes, the copper straight design can be soldered and is also compatible with push-fit and press-fit systems.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes it completely eliminate all noise from water hammer?\u003c\/strong\u003e\u003cbr\u003eIt reduces or eliminates water hammer in many installations, but results vary by pipe layout and system volume, so some users may still hear residual noise.\u003c\/p\u003e","brand":"SUPPLYGIANT","offers":[{"title":"Default Title","offer_id":48610817245403,"sku":"B016Y8L4TC","price":35.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/41ZHXYX5t8L._AC_SL1200.jpg?v=1778411215","url":"https:\/\/gearmusthave.com\/products\/supply-giant-is-d-1nqu-type-c-straight-water-arrestor-stops-water","provider":"GearMustHave","version":"1.0","type":"link"}