# SACHSTAR Enterprises > Water purifiers, water treatment products and installation, repair and maintenance support in Pune, Maharashtra, India. Website: https://www.sachstar.com/ Location: Chavan Nagar, Dhankawadi, Pune, Maharashtra 411043 Hours: Open every day, 8 AM–10 PM Phone: +91 73855 24449 Email: sachstarenterprises@gmail.com Catalogue entries are enquiry listings. Confirm current stock, fitted components, compatibility, pricing, installation and warranty terms with SACHSTAR before purchase. A website enquiry is not a confirmed booking. Educational water guides are general guidance, not water-test results or model-specific manuals. No customer records or account information are included in these public files. ## Business and enquiries - [Home](https://www.sachstar.com/): Business overview and water purification solutions. - [About](https://www.sachstar.com/about): SACHSTAR business information. - [Contact](https://www.sachstar.com/contact): Ask about service coverage, products or a commercial system. - [Commercial RO](https://www.sachstar.com/commercial-ro): Discuss water source, output and site requirements. ## Local coverage - [Pune service areas](https://www.sachstar.com/service-areas): Sales, installation and repair in Dhankawadi, Katraj, Balaji Nagar and Market Yard, with nearby enquiries within about 20 km of our Dhankawadi base. Share your complete address or PIN code to confirm coverage, appointment availability and any travel charges. An enquiry is not a confirmed booking. - [Dhankawadi](https://www.sachstar.com/service-areas#dhankawadi): SACHSTAR is based in Chavan Nagar, Dhankawadi. Enquire about a home purifier, installation, a repair or replacement parts. Call before visiting so we can confirm availability and the model or component you need. - [Katraj](https://www.sachstar.com/service-areas#katraj): We provide water purifier sales, installation and repair in Katraj from our Dhankawadi base. For a new purifier, discuss your water source and household usage before choosing a model; confirm the fitted stages and installation scope in the quotation. - [Balaji Nagar](https://www.sachstar.com/service-areas#balaji-nagar): Customers in Balaji Nagar can request purifier sales, installation and repair. For low output, leakage or a filter change, describe the fault first so we can discuss inspection and component compatibility before confirming a visit. - [Market Yard](https://www.sachstar.com/service-areas#market-yard): We provide purifier sales, installation and repair in Market Yard. Household requests can use the normal product or service enquiry. For a shop, office or other business, use the commercial enquiry to discuss water usage and site requirements. ## Catalogue - [Products](https://www.sachstar.com/products): Browse the current catalogue; enquire for confirmed specifications and pricing. ## Services - [RO Installation](https://www.sachstar.com/services/ro-installation): RO installation starts with checking the purifier, inlet, drain, power supply and mounting space. Share your model and location so SACHSTAR can confirm support and quote the required work. - [RO Repair](https://www.sachstar.com/services/ro-repair): Low flow, leaks, unusual noise or changing output need diagnosis before parts are replaced. Describe the problem and share the model so SACHSTAR can arrange suitable repair support in Pune. - [RO AMC](https://www.sachstar.com/services/ro-amc): An annual maintenance contract is an agreed service plan, not a universal promise that every part is covered. Ask SACHSTAR for a written plan naming the visits, covered components, exclusions and charges for your model. - [Filter Replacement](https://www.sachstar.com/services/filter-replacement): Filter replacement depends on the fitted cartridge, manufacturer schedule, water quality and use. Share your purifier model and service history so SACHSTAR can check compatibility and quote the required filters. - [Membrane Replacement](https://www.sachstar.com/services/membrane-replacement): An RO membrane should be assessed when output, rejection performance or water quality changes. Diagnosis should check inlet conditions and other components before deciding whether replacement is necessary. - [Commercial RO Service](https://www.sachstar.com/services/commercial-ro-service): Commercial RO maintenance should be planned around the site’s water source, treatment train and peak demand. Share the plant configuration and operating records so SACHSTAR can confirm appropriate service support. ## Water knowledge - [How to Choose an RO Water Purifier in Pune](https://www.sachstar.com/resources/how-to-choose-ro-water-purifier-pune): A practical framework based on your water source, TDS, usage and service needs. - [RO vs UV vs UF](https://www.sachstar.com/resources/ro-vs-uv-vs-uf): Understand how common purification methods differ and why water quality should guide the choice. - [What TDS Level Requires RO?](https://www.sachstar.com/resources/what-tds-level-requires-ro): Why a TDS reading is useful—but not the only factor in choosing a purifier. - [How Often Should RO Filters Be Changed?](https://www.sachstar.com/resources/how-often-change-ro-filters): The signs, conditions and maintenance checks that influence replacement timing. - [Signs Your RO Membrane Needs Replacement](https://www.sachstar.com/resources/ro-membrane-replacement-signs): Changes in taste, output and purification performance that deserve inspection. - [RO Maintenance Guide](https://www.sachstar.com/resources/ro-maintenance-guide): A clear routine for keeping a purifier clean, reliable and professionally checked. - [Common RO Problems](https://www.sachstar.com/resources/common-ro-problems): A simple guide to low flow, leakage, unusual noise and changing water quality. - [Domestic vs Commercial RO](https://www.sachstar.com/resources/domestic-vs-commercial-ro): How household and business systems differ in output, configuration and service needs. - [How RO AMC Works](https://www.sachstar.com/resources/how-ro-amc-works): What to confirm before choosing a maintenance plan for your purifier. - [Water Purification for Businesses](https://www.sachstar.com/resources/business-water-purification-guide): Questions offices and establishments should ask before selecting a system. ## Optional - [Expanded public reference](https://www.sachstar.com/llms-full.txt): Business contacts, catalogue descriptions, services, questions and sourced guides in plain Markdown. - [Privacy](https://www.sachstar.com/privacy): How website enquiries, reviews and accounts are handled. - [Terms](https://www.sachstar.com/terms): Enquiry, quotation and booking expectations. - [Sitemap](https://www.sachstar.com/sitemap.xml): Index of public website pages.