Residential Water Filtration Parts and Accessories

Global Residential Water Filtration Parts and Accessories Market to Reach US$13.8 Billion by 2030

The global market for Residential Water Filtration Parts and Accessories estimated at US$9.8 Billion in the year 2024, is expected to reach US$13.8 Billion by 2030, growing at a CAGR of 5.8% over the analysis period 2024-2030. Residential Water Cartridge Filters, one of the segments analyzed in the report, is expected to record a 6.4% CAGR and reach US$9.0 Billion by the end of the analysis period. Growth in the Residential Water Filter Housing segment is estimated at 5.0% CAGR over the analysis period.

The U.S. Market is Estimated at US$2.7 Billion While China is Forecast to Grow at 9.3% CAGR

The Residential Water Filtration Parts and Accessories market in the U.S. is estimated at US$2.7 Billion in the year 2024. China, the world`s second largest economy, is forecast to reach a projected market size of US$2.8 Billion by the year 2030 trailing a CAGR of 9.3% over the analysis period 2024-2030. Among the other noteworthy geographic markets are Japan and Canada, each forecast to grow at a CAGR of 2.8% and 5.8% respectively over the analysis period. Within Europe, Germany is forecast to grow at approximately 3.8% CAGR.

Global Residential Water Filtration Parts and Accessories Market - Key Trends & Drivers Summarized

Why Are Homeowners Increasingly Investing in Water Filtration Components?

The rise in awareness about water quality and its impact on health has significantly accelerated the demand for residential water filtration systems-and by extension, the market for replacement parts and accessories. Consumers are now actively investing in filters, cartridges, membranes, O-rings, housings, valves, spanners, and tubing to maintain, upgrade, or enhance their existing water filtration setups. This growing attention toward routine maintenance is driven by concerns around contaminants such as lead, chlorine, microplastics, and bacteria that municipal water supplies or private wells often fail to adequately mitigate.

In urban households, under-sink RO systems, countertop purifiers, whole-house filters, and inline systems have become commonplace. Each of these units requires timely filter changes and periodic part replacements to sustain optimal performance. Moreover, increasing uptake of multi-stage purification systems has broadened the range of replaceable components, such as carbon filters, sediment pre-filters, and UV lamps. Households seeking continuity in clean water supply-especially in high-TDS regions across India, the Middle East, and parts of the U.S.-are contributing to sustained aftermarket sales for filtration accessories.

How Is Technology Reshaping the Functionality and Longevity of Filter Components?

Technological advances in water filtration hardware and consumables are reshaping the market for accessories and replacement parts. Nanofiltration membranes, antimicrobial filter coatings, activated carbon with higher surface area, and flow-optimized filter housings are examples of how innovation is improving filtration efficiency and part durability. These developments not only extend the service life of consumables but also ensure more effective removal of contaminants at lower energy and water wastage levels.

Smart water filters embedded with IoT sensors and Bluetooth modules now notify homeowners of filter degradation or the need for cartridge replacements. App-based platforms track filtration cycles and provide usage analytics, increasing transparency and driving timely purchases of certified replacement parts. Brands are also rolling out color-coded or QR-coded components to reduce errors during replacement and to encourage the use of branded accessories rather than generic, lower-quality alternatives. This focus on intelligent maintenance and user convenience is a major driver of repeat business and brand loyalty.

Which Sales and Distribution Channels Are Fueling Market Penetration?

The residential water filtration parts and accessories market is witnessing a marked transition in its distribution dynamics. While brick-and-mortar stores, plumbing supply outlets, and franchise service networks still account for a sizeable share, e-commerce platforms and direct-to-consumer (D2C) brand websites are expanding rapidly. Online channels offer vast SKUs, bundled kits, subscription-based filter deliveries, and compatibility check tools that make parts replacement easy for consumers without technician support.

Retailers such as Amazon, Home Depot, Flipkart, and Walmart, as well as niche platforms focused on water treatment products, are increasingly featuring OEM-authorized and certified third-party accessories. Subscription services offering automatic cartridge replenishment at regular intervals are becoming popular in North America and parts of Europe. Moreover, the role of service technicians, plumbers, and maintenance agencies remains critical-especially in emerging economies-where replacement cycles are often dictated by service calls or annual maintenance contracts bundled with filtration systems. Strategic partnerships between filtration OEMs and local service franchises are improving aftermarket penetration in underserved suburban and rural regions.

What Is Propelling Sustained Demand Across Global Residential Markets?

The growth in the residential water filtration parts and accessories market is driven by several factors, including increasing household penetration of filtration systems, growing health awareness, and evolving consumer preferences toward preventive maintenance. The rise in water-borne illnesses, regional contamination crises, and public distrust of municipal water systems are compelling consumers to proactively maintain filtration systems. As these systems age, the replacement cycle of accessories and consumables becomes a predictable and recurring market opportunity.

Regulatory scrutiny on water safety, such as the Safe Drinking Water Act (SDWA) in the U.S. or BIS standards in India, is pushing brands to ensure quality and certification in aftermarket parts. The global trend toward modular, DIY-friendly filtration systems is reinforcing consumer autonomy in replacing parts, creating demand for user-friendly accessories. Additionally, climate-induced water scarcity and rising water hardness in many regions are increasing the use of pre-treatment and specialty filters-further expanding the aftermarket universe. With sustainability concerns on the rise, there’s also a visible shift toward recyclable filter media and refillable cartridge systems, positioning the accessories segment as a critical growth node in the residential water treatment ecosystem.

SCOPE OF STUDY:

The report analyzes the Residential Water Filtration Parts and Accessories market in terms of units by the following Segments, and Geographic Regions/Countries:

Segments:
Parts & Accessories (Residential Water Cartridge Filters, Residential Water Filter Housing, Other Parts & Accessories); Distribution Channel (Offline Distribution Channel, Online Distribution Channel); Application (Whole House Application, Under the Sink Application, Countertop Application, Pitchers & Dispensers Application, Faucet Application, Shower Mounted Application, Inline Application)

Geographic Regions/Countries:
World; United States; Canada; Japan; China; Europe (France; Germany; Italy; United Kingdom; Spain; Russia; and Rest of Europe); Asia-Pacific (Australia; India; South Korea; and Rest of Asia-Pacific); Latin America (Argentina; Brazil; Mexico; and Rest of Latin America); Middle East (Iran; Israel; Saudi Arabia; United Arab Emirates; and Rest of Middle East); and Africa.

Select Competitors (Total 44 Featured) -

• 3M Company
• A. O. Smith Corporation
• Aquasana Inc.
• BWT AG
• Culligan International
• Dupont Water Solutions
• EcoWater Systems LLC
• GE Appliances (Haier)
• iSpring Water Systems LLC
• Kent RO Systems Ltd.
• Kinetico Incorporated
• LG Electronics
• Multipure International
• Panasonic Corporation
• Pentair plc
• Philips Water Solutions
• PurePro USA
• SpringWell Water Filtration
• Whirlpool Corporation
• Xiaomi Corporation

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