{"product_id":"greenway-uv_opt-3xl-deluxe-whole-house-uv-water-sterilisation-system","title":"Greenway UV_OPT 3XL-Deluxe — Whole-House UV Water Sterilisation System","description":"\u003cp\u003eThe Greenway UV_OPT 3XL-Deluxe is a premium whole-house water treatment system combining multi-stage mechanical filtration with certified UV sterilisation. Designed for New Zealand homes on tank, bore, or rainwater supplies, this system delivers safe, chemical-free drinking water at high flow rates suitable for busy households. A step up from the OPT 3-Deluxe with higher filtration surface area, meaning longer intervals between filter changes.\u003c\/p\u003e\n\u003cp\u003eThe UV components in this system are tested and certified by NSF International against NSF\/ANSI 55 (disinfection performance, Class B), CSA B483.1, and NSF 372 (low lead content).\u003c\/p\u003e\n\u003ch2\u003eSystem Flow Rates\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrinking Water Standards Flow:\u003c\/strong\u003e 43 LPM @ 40 mJ\/cm²\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNominal Flow:\u003c\/strong\u003e 58 LPM @ 30 mJ\/cm²\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePeak Flow:\u003c\/strong\u003e 111 LPM @ 16 mJ\/cm²\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eAll options exceed domestic peak flow requirements. Based on average peak domestic flow, allow 15 LPM per shower plus 10 LPM for auxiliary appliances such as dishwasher or washing machine.\u003c\/p\u003e\n\u003ch2\u003eSystem Components\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGW GAUV-10S\u003c\/strong\u003e — Greenway UV sterilisation unit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3 x 20BWH\u003c\/strong\u003e — 20\" whole-house filter housings\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 x 20BPF20\u003c\/strong\u003e — 20 micron sediment pre-filter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 x 20BRFGAC\u003c\/strong\u003e — Granular activated carbon filter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 x 20BPX01\u003c\/strong\u003e — Fine sediment post-filter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSurge Protector\u003c\/strong\u003e — included for UV ballast protection\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eNSF\/ANSI 55 Certified:\u003c\/strong\u003e UV disinfection to Class B performance standard\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChemical-Free Treatment:\u003c\/strong\u003e No chlorine or additives introduced to your water\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMulti-Stage Filtration:\u003c\/strong\u003e Sediment, carbon, and UV in a single integrated system\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Flow Capacity:\u003c\/strong\u003e Suitable for large homes and high-demand households\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow Lead Certified:\u003c\/strong\u003e NSF 372 compliant components\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSurge Protection Included:\u003c\/strong\u003e Safeguards the UV ballast from power fluctuations\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExtended Filter Life:\u003c\/strong\u003e Larger filtration surface area means longer intervals between filter changes vs OPT 3-Deluxe\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eIdeal For\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eHomes on tank water, rainwater, or bore water requiring reliable whole-house disinfection\u003c\/li\u003e\n\u003cli\u003eLarge households with multiple bathrooms and high simultaneous water demand\u003c\/li\u003e\n\u003cli\u003eProperties requiring sediment and carbon pre-treatment alongside UV sterilisation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003e\u003cstrong\u003ePLEASE NOTE:\u003c\/strong\u003e This listing is for the complete UV filter system package. UV sterilisation is most effective when used with adequate pre-filtration — this system includes the recommended filtration stages.\u003c\/em\u003e\u003c\/p\u003e\n\u003ch2\u003eUnderstanding UV System Flow Rates\u003c\/h2\u003e\n\u003cp\u003eUV systems are rated according to the flow rate of water they can treat while delivering a specified UV dose. The higher the UV dose, the greater the level of UV treatment provided.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrinking Water Standard Flow – 40 mJ\/cm²:\u003c\/strong\u003e The flow rate at which the system provides a UV dose of 40 mJ\/cm². Recommended for drinking water applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNominal Flow – 30 mJ\/cm²:\u003c\/strong\u003e The manufacturer's nominal rated flow — useful for comparing UV system capacities.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum Flow – 16 mJ\/cm²:\u003c\/strong\u003e The maximum flow rate the system can process, but at a reduced UV dose. Not recommended for drinking water applications.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFor drinking water applications, size the UV system using the \u003cstrong\u003e40 mJ\/cm² flow rate\u003c\/strong\u003e, not the maximum flow figure. Consider the maximum simultaneous flow your property could require, not just average daily use. If you're unsure which UV system is right for your property, contact WTS and we can help you select a system based on your expected flow rate and application.\u003c\/p\u003e","brand":"Greenway","offers":[{"title":"Default Title","offer_id":52167792034113,"sku":"GW_UV_OPT_3XL","price":1999.0,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0986\/5596\/1409\/files\/Greenway_UV_OPT_3-Deluxe_Whole-House_UV_Filter_System.png?v=1788483556","url":"https:\/\/shop.wtsnz.co.nz\/products\/greenway-uv_opt-3xl-deluxe-whole-house-uv-water-sterilisation-system","provider":"WTS Shop","version":"1.0","type":"link"}