{"title":"Reverse Osmosis Systems","description":"\u003ch2\u003eReverse Osmosis Drinking Water Systems\u003c\/h2\u003e\u003cp\u003eShop Water Doctor reverse osmosis systems for better-tasting drinking water at home. This collection includes tankless RO systems, traditional undersink RO systems and high-flow options for everyday drinking, cooking, coffee and tea.\u003c\/p\u003e\u003cp\u003eChoose from compact tankless models such as COMO-R700, COMO-R1000 and GF3 800GPD, or traditional undersink RO systems with a storage tank.\u003c\/p\u003e","products":[{"product_id":"ros4a-4-stage-ro-system","title":"Water Doctor 4-Stage Undersink RO System","description":"\u003ch2\u003eTraditional undersink RO system with storage tank\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003eWater Doctor 4-Stage Undersink RO System\u003c\/strong\u003e is a complete drinking water solution for homes that prefer a reliable storage-tank reverse osmosis setup. It includes the core components needed for everyday drinking water, including the RO system, tank and faucet.\u003c\/p\u003e\u003ch3\u003eBest for\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eHouseholds looking for a proven undersink RO setup\u003c\/li\u003e\n\u003cli\u003eCustomers who prefer a storage tank system over tankless RO\u003c\/li\u003e\n\u003cli\u003eDaily drinking, cooking, coffee and tea\u003c\/li\u003e\n\u003cli\u003eHomes upgrading from bottled water or basic pitcher filters\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eKey benefits\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e4-stage reverse osmosis filtration\u003c\/strong\u003e for better-tasting water\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStorage tank design\u003c\/strong\u003e provides ready-to-use RO water\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDedicated drinking water faucet\u003c\/strong\u003e for convenient kitchen use\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGenuine ROS4A replacement cartridges\u003c\/strong\u003e available for maintenance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePractical residential option\u003c\/strong\u003e for many standard kitchens\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eMaintenance\u003c\/h3\u003e\u003cp\u003eUse Water Doctor ROS4A quick-twist replacement cartridges for routine filter changes. Replacement timing depends on water quality and household usage.\u003c\/p\u003e\u003ch3\u003eInstallation note\u003c\/h3\u003e\u003cp\u003eThis is an undersink RO system. Professional installation is recommended for faucet drilling, tubing setup, drain connection and leak testing.\u003c\/p\u003e","brand":"Water Doctor","offers":[{"title":"Default Title","offer_id":50743208345905,"sku":"ROS4A","price":799.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0919\/0850\/5905\/files\/RO_4_Stages.png?v=1754682218"},{"product_id":"como-r700-tankless-ro-system","title":"Water Doctor COMO-R700 Tankless RO System","description":"\u003ch2\u003eCompact tankless RO system for everyday drinking water\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003eWater Doctor COMO-R700 Tankless RO System\u003c\/strong\u003e is a compact undersink reverse osmosis system built for daily home use. It is a good fit for customers who want a tankless RO setup with strong flow, a clean cabinet layout and simple cartridge maintenance.\u003c\/p\u003e\u003ch3\u003eBest for\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eHouseholds that want better-tasting drinking water from the kitchen tap\u003c\/li\u003e\n\u003cli\u003eCustomers upgrading from bottled water or pitcher filters\u003c\/li\u003e\n\u003cli\u003eKitchens where a storage tank takes up too much space\u003c\/li\u003e\n\u003cli\u003eHomes that want a balanced tankless RO option below the R1000 model\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eKey benefits\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e700 GPD tankless RO design\u003c\/strong\u003e for steady daily use\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpace-saving undersink system\u003c\/strong\u003e with no separate storage tank\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFast direct drinking water flow\u003c\/strong\u003e for cups, kettles and cooking\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEasy cartridge replacement\u003c\/strong\u003e with compatible COMO-R700 filters\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModern design\u003c\/strong\u003e for a cleaner kitchen installation\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eMaintenance\u003c\/h3\u003e\u003cp\u003eReplace the PCB and RO cartridges with genuine Water Doctor COMO-R700 replacement filters. Actual replacement timing depends on household usage and source water conditions.\u003c\/p\u003e\u003ch3\u003eInstallation note\u003c\/h3\u003e\u003cp\u003eProfessional undersink installation is recommended, especially when adding a dedicated faucet or connecting the system to an existing kitchen setup.\u003c\/p\u003e","brand":"Water Doctor","offers":[{"title":"Default Title","offer_id":50743159062833,"sku":"CM-R700","price":1199.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0919\/0850\/5905\/files\/COMO-R700W_Faucet.png?v=1754682216"},{"product_id":"como-r1000-tankless-ro-system","title":"Water Doctor COMO-R1000 Tankless RO System","description":"\u003ch2\u003eFast tankless RO drinking water for modern homes\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003eWater Doctor COMO-R1000 Tankless RO System\u003c\/strong\u003e is designed for households that want high-flow reverse osmosis drinking water without a bulky storage tank. With up to \u003cstrong\u003e1000 GPD\u003c\/strong\u003e output, it delivers a compact undersink setup for daily drinking, cooking, coffee and tea.\u003c\/p\u003e\u003ch3\u003eBest for\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eFamilies that use RO water every day\u003c\/li\u003e\n\u003cli\u003eKitchens where cabinet space matters\u003c\/li\u003e\n\u003cli\u003eCustomers who prefer a tankless undersink design\u003c\/li\u003e\n\u003cli\u003eHomes looking for faster flow than traditional tank RO systems\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eKey benefits\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e1000 GPD high-capacity performance\u003c\/strong\u003e for fast water production\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTankless design\u003c\/strong\u003e saves cabinet space and keeps the setup clean\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModern faucet setup\u003c\/strong\u003e for a polished kitchen look\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReverse osmosis filtration\u003c\/strong\u003e for better-tasting drinking water\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGenuine replacement cartridges\u003c\/strong\u003e available for maintenance\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eMaintenance\u003c\/h3\u003e\u003cp\u003eUse genuine Water Doctor COMO-R1000 replacement cartridges to maintain flow rate and taste. Filter life depends on local water quality and household usage.\u003c\/p\u003e\u003ch3\u003eInstallation note\u003c\/h3\u003e\u003cp\u003eThis system is designed for undersink installation. Professional installation is recommended for the best cabinet fit, faucet setup and long-term performance.\u003c\/p\u003e","brand":"Water Doctor","offers":[{"title":"Default Title","offer_id":50743186555185,"sku":"CM-R1000","price":1499.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0919\/0850\/5905\/files\/COMO-R1000_withfaucet_70100394-b949-41a1-8084-419c28085a57.png?v=1754682215"},{"product_id":"ros5a-5-stage-ro-system","title":"Water Doctor 5-Stage Undersink RO System","description":"\u003ch2\u003e5-stage undersink RO system for everyday home drinking water\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003eWater Doctor 5-Stage Undersink RO System\u003c\/strong\u003e is a practical reverse osmosis system for families that want a dedicated drinking water faucet and a traditional storage-tank setup. It is designed for daily use in the kitchen, including drinking, cooking, coffee and tea.\u003c\/p\u003e\u003ch3\u003eBest for\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eHomes that want a complete undersink RO system\u003c\/li\u003e\n\u003cli\u003eCustomers who prefer a storage tank system\u003c\/li\u003e\n\u003cli\u003eFamilies looking for better-tasting water from a dedicated faucet\u003c\/li\u003e\n\u003cli\u003eDaily kitchen use such as drinking, cooking and beverages\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eKey benefits\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e5-stage RO filtration setup\u003c\/strong\u003e for a complete drinking water system\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStorage tank design\u003c\/strong\u003e keeps RO water ready when needed\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDedicated faucet\u003c\/strong\u003e separates drinking water from regular tap water\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard undersink layout\u003c\/strong\u003e suitable for many residential kitchens\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible replacement cartridges\u003c\/strong\u003e available for routine maintenance\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eMaintenance\u003c\/h3\u003e\u003cp\u003eFilter replacement timing depends on local water conditions and daily usage. Routine cartridge replacement helps maintain flow, taste and system performance.\u003c\/p\u003e\u003ch3\u003eInstallation note\u003c\/h3\u003e\u003cp\u003eProfessional installation is recommended for faucet setup, tubing, drain connection and leak testing.\u003c\/p\u003e","brand":"Water Doctor","offers":[{"title":"Default Title","offer_id":50743200252209,"sku":"ROS5A","price":570.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0919\/0850\/5905\/files\/ROS5A_5-Stage_RO_System4.jpg?v=1754682213"},{"product_id":"water-doctor-gf3-800gpd-ro-system","title":"Water Doctor GF3 800GPD RO System","description":"\u003ch2\u003e800 GPD tankless RO system for fast daily use\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003eWater Doctor GF3 800GPD RO System\u003c\/strong\u003e is designed for families that want strong reverse osmosis performance with a compact, tankless undersink setup. It provides fast RO water for drinking, cooking, coffee, tea and everyday kitchen use.\u003c\/p\u003e\u003ch3\u003eBest for\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eFamilies that want high-flow RO water without a storage tank\u003c\/li\u003e\n\u003cli\u003eCustomers who want an 800 GPD option between compact and premium tankless systems\u003c\/li\u003e\n\u003cli\u003eKitchens where space saving matters\u003c\/li\u003e\n\u003cli\u003eHomes that want simple filter maintenance with dedicated replacement cartridges\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eKey benefits\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e800 GPD output\u003c\/strong\u003e for fast water production\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTankless undersink design\u003c\/strong\u003e saves space and keeps the installation clean\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDesigned for everyday use\u003c\/strong\u003e including drinking, cooking and beverages\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDedicated replacement filters\u003c\/strong\u003e available for ongoing maintenance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact modern layout\u003c\/strong\u003e suitable for many residential kitchens\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eMaintenance\u003c\/h3\u003e\u003cp\u003eUse Water Doctor GF3 800GPD replacement filters, including PPC, RO and 3C cartridges. Replacement timing depends on water quality and usage.\u003c\/p\u003e\u003ch3\u003eInstallation note\u003c\/h3\u003e\u003cp\u003eProfessional installation is recommended to ensure proper connection, faucet setup and system performance.\u003c\/p\u003e","brand":"Water Doctor","offers":[{"title":"Default Title","offer_id":51529517433137,"sku":"WD-GF3","price":799.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0919\/0850\/5905\/files\/10001.jpg?v=1754682154"}],"url":"https:\/\/shop.waterdoctor.ca\/collections\/reverse-osmosis-systems.oembed","provider":"Water Doctor Canada Inc.","version":"1.0","type":"link"}