150+ owner's manuals for water softeners, iron and sulfur filters, UV disinfection, and reverse osmosis systems — every major brand, hosted locally so the link never breaks.
Mr. Water LLC hosts one of the largest free libraries of water treatment owner's manuals anywhere — 150+ current-revision guides for water softeners, iron and sulfur filters, UV disinfection, and reverse osmosis drinking water systems. Every manual below is the official manufacturer document, hosted locally so the link never breaks.
In Central or Western Maryland, the Eastern WV Panhandle, Northern Virginia, or South Central Pennsylvania? We service every brand on this page — (301) 416-8331
Owner’s manual for the A. O. Smith under-sink reverse osmosis drinking water system sold at Lowe’s: installation, sanitizing, and filter replacement.
Owner’s manual for the AO-US-RO-MB-4000 mineral boost reverse osmosis drinking water system.
Owner’s manual for the AO-WH-DSCLR salt-free whole house descaler.
Owner’s manual for the AO-WH-FILTER central whole house water filter.
Owner’s manual for the AO-WH-SOFT-300 water softener sold at Lowe’s.
Owner’s manual for earlier-generation AO-WH-SOFT-350 and 400T softeners: setup, programming, and troubleshooting.
Owner’s manual for current AO-WH-SOFT-350C, 400T, and 450T softeners, including Wi-Fi controller models.
Owner’s manual for the AO-WH-SOFT-500 water softener.
Owner’s manual for ATS ultraviolet disinfection systems, covering installation, lamp replacement, and maintenance.
Programming guide for WS1–WS2 valves with the CI circuit board: configuration settings, cycle sequences, and diagnostics.
Programming manual for WS1CS and WS1.25CS control valves, including softener setup and regeneration settings.
Full service manual for WS1 and WS1.25 valves: exploded parts drawings, drive cap and piston assemblies, injectors, and service instructions. January 2026 revision.
Programming manual for EE-board WS1–WS2 valves, covering twin-alternating setup, metering, and cycle configuration.
Programming manual for EI-board WS1–WS2 valves: display navigation, configuration steps, and regeneration options.
OEM programming manual for standard WS1 and WS1.25 valves: softener and filter setup, cycle times, and settings tables.
Programming manual for SP-board WS1–WS2 control valves. January 2026 revision.
Programming manual for SQ-board WS1–WS2 control valves. January 2026 revision.
Programming manual for the 3-button time-clock WS1TC and WS1.25TC valves.
Owner’s guide for the classic Culligan AC-30 Good Water Machine under-sink drinking water system.
Owner’s guide for Aqua-Cleer Advanced under-sink drinking water systems and filter cartridges.
Owner’s guide for Aquasential and Aquasential Smart reverse osmosis drinking water systems.
Owner’s guide for Aquasential Select Series whole house filters, including Cullar, Cullneu, Filtr-Cleer, and Iron-Cleer models.
Owner’s guide for Aquasential Select Series and Select Plus Series water softeners.
Owner’s guide for Aquasential Select Plus Iron-OX5 and Sulfur-OX3 iron and sulfur filters.
Owner’s guide for the Wi-Fi connected Aquasential Smart HE whole house water filter.
Owner’s guide for the Wi-Fi connected Aquasential Smart HE water softener, Culligan’s current flagship. 2024 revision.
Owner’s guide for the Aquasential Tankless RO drinking water system (Gen 2, 2023 and later models).
Owner’s guide for the Gold Series arsenic reduction whole house filter.
Owner’s guide for the Gold Series whole house chlorine filter.
Owner’s guide for the legacy Culligan Gold Series water softener, still common in area homes.
Owner’s guide for the Grey cabinet High Efficiency whole house filter.
Owner’s guide for the Grey cabinet High Efficiency softener. 2024 revision.
Owner’s guide for HE 1.25-inch softeners with Soft-Minder meter and Aqua-Sensor.
Owner’s guide for the High Efficiency Iron-Cleer whole house iron filter.
Owner’s guide for HE Progressive Flow multi-tank softener systems.
Owner’s guide for the High Efficiency 1-inch automatic softener, Culligan’s core residential unit. 2023 revision.
Owner’s guide for the HE Softener-Cleer combination softener and filter conditioner.
Owner’s guide for the High Efficiency Sulfur-Cleer whole house sulfur filter.
Owner’s guide for HE Twin alternating-tank softeners.
Owner’s guide for High Efficiency whole house filters.
Owner’s guide for the legacy Iron-Cleer automatic whole house iron filter.
Owner’s guide for the Medallist-platform Iron-OX5 iron removal filter.
Owner’s guide for Medallist and Medallist Plus Series whole house filters.
Owner’s guide for the legacy Medallist Series softener, widely installed through the 2000s.
Owner’s guide for Culligan non-backwashing filter systems. 2024 revision.
Owner’s guide for the Culligan salt-free water conditioner.
Owner’s guide for the Medallist-platform Sulfur-OX3 sulfur removal filter.
Owner’s manual for the legacy EcoWater 3000AC conditioner/refiner.
Owner’s manual for the legacy EcoWater 3000DC demand softener.
Owner’s manual for EcoWater 3500 and 3502 Series conditioners.
Owner’s manual for the EcoWater EACW activated carbon drinking water system.
Owner’s manual for EcoWater 3700 and 3702 Series conditioners and refiners with HydroLink, EcoWater’s current flagship line.
Owner’s manual for the EcoWater EEC1502 Series conditioner.
Owner’s manual for the EcoWater EPS1000 drinking water system.
Owner’s manual for the EcoWater ERO-175 under-sink reverse osmosis system.
Owner’s manual for the EcoWater ERO-385 under-sink reverse osmosis system.
Owner’s manual for EcoWater ESD 518 and ESD 2502 Series softeners.
Owner’s manual for EcoWater ESD2750 and ESD2752 Series softeners.
Owner’s manual for EcoWater ESD2800 and ESD2802 Series softeners. Current line.
Owner’s manual for ETF2300 air-injection iron and sulfur filters (AIV and EIV).
Owner’s manual for the ETF2300ECCWS whole house filter.
Owner’s manual for ETF2300PF10 and PF12 Series filters.
Owner’s manual for the ETF2300SC10 whole house filter.
Owner’s manual for ETF2300SM10 and ETF2302SM10C filters.
Owner’s manual for the ETF2302SM10CC whole house filter.
Owner’s manual for the EcoWater ETRO-485 tankless reverse osmosis system.
Owner’s manual for EcoWater eVOLUTION Series refiners and softeners.
Owner’s manual for the EcoWater IOAPF iron and odor air-injection filter.
Installation and owner’s manual for Clear Flo reverse osmosis drinking water systems.
Installation and owner’s manual for ES-844, ES-948, and ES-1044 softeners: startup, programming, and brine tank care.
Owner’s manual for the InterFlo QuadPro SST drinking water system.
Manual for the ONE cartridge filter tank and contaminant reduction system.
Installation and owner’s manual for EV1, EV2, EVR, EVRC, EVRS, and EVRCS systems.
Manual for Evolve twin-tank softeners and conditioners (EV1-TW through EVRCS-TW models).
Owner’s manual for the UltroWater drinking water system.
Installation and owner’s manual for Evolve whole-house filtration systems.
Service manual for Fleck 2510 and 2510 Econominder valves: timer setup, parts diagrams, and troubleshooting.
Service manual for the Fleck 2750 downflow control valve.
Service manual for the Fleck 5600 Econominder, one of the most common residential softener valves ever made.
Service manual for the Fleck 5600SXT digital metered valve, downflow: programming, error codes, parts diagrams, and troubleshooting.
Service manual for the upflow version of the Fleck 5600SXT digital valve, including master programming and parts.
Service manual for the Fleck 5800 SXT downflow/upflow valve: programming, diagnostics, and parts assemblies.
Service manual for the Fleck 6600 downflow brining valve.
Service manual for the Fleck 6700 downflow brining valve.
Service manual for Fleck ProFloSE downflow brining systems.
Service manual for Fleck ProFloSE upflow brining systems.
Manual for GE-Autotrol demand-initiated regeneration timers.
Manual for the GE-Autotrol 460i electronic control system.
Service manual for the Autotrol 255 valve with 400-series controls, a workhorse valve we’ve serviced for decades.
Instructions for retrofitting Logix controls onto Performa valves.
Manual for the GE-Autotrol Performa filter valve series.
Manual for the Performa valve with 400-series control.
Manual for GE-Autotrol Professional Series pressure vessels.
Owner’s manual and installation instructions for GE 40,000 and 45,000 grain softeners (GXSH40V and GXSH45V): programming, error codes, and troubleshooting.
Owner’s manual and installation guide for the Hague 97 Maximizer water softener.
Owner’s manual for the compact Hague HomeGuard Model 410 softener.
Owner’s manual for Hydroclean HC3 softeners, carbon filters, and acid neutralizers.
Owner’s manual and installation guide for Hague iron and sulfur air draw filters.
Owner’s manual for the Hague HW-RO-B reverse osmosis drinking water system.
Owner’s manual for legacy WaterMax 10 Series conditioners (12 and 13 model codes).
Owner’s manual for legacy WaterMax 60 Series conditioners, including the 61AAN iron filter.
Owner’s manual for the WaterMax Signature Series with Wi-Fi smart touch controller.
Owner’s manual for the current WaterMax ST Series three-compartment conditioner.
Owner’s manual for ProMate-6 Iron Curtain 2.0 demand aeration iron filtration systems.
Owner’s manual for the ProMate 6.0 Iron Curtain Junior compact iron filter.
Owner’s manual for ProMate 6.0 Iron Curtain Storm series iron filters.
Owner’s and installer’s manual for ProMate 1 Series residential softeners.
Owner’s manual for ProMate 6.0 metered water softeners.
Consumer’s manual for ProMate DMT Series softeners, single and twin alternating (6 DMT, 6.5 DMT, 7.1 DMT).
Owner’s manual for ProMate EcoMax Duo twin alternating softeners.
Owner’s manual for ProMate EcoMax high-efficiency softeners.
Owner’s manual for AquaKinetic Series compact non-electric twin-tank softeners.
Owner’s manual for the KUV 1200 whole house ultraviolet disinfection system.
Owner’s manual for the KUV 1200x ultraviolet disinfection system.
Owner’s manual for MACH Series non-electric conditioners and combination systems (2030s through 4060s).
Owner’s documentation for Kinetico Plus Deluxe VX models.
Owner’s manual for Premier Series twin-tank softeners (2030s, 2060s, 2100s, 4040s and related models). 2020 revision.
Owner’s manual for Signature Series demand-operated water softeners.
Owner’s manual for the ClearHome whole house cartridge filter housing (AOS-CH-1000).
Owner’s manual for DECHLOR Series upflow dechlorination filters.
Owner’s manual for Fusion Series 2.0 and Clarifier Series 2.0 filters. 2026 revision.
Owner’s manual for the HomeShield whole house filter with PFAS reduction (AOS-HS-1200).
Installation and operation manual for MBA-AN neutralizers, MBA-AC carbon filters, and MBA-FE iron filters (10 and 13 sizes).
Installation and operation manual for the MBA-30T time clock softener.
Installation and operation manual for MBA-45T and 60T time clock softeners.
Manual for MCA Series filters: AC, ACC, AN, FEB, and MM models.
Installation and operation manual for MCA Series time clock softeners.
Manual for MP Series cabinet combination units: CNS neutralizer, CTS turbidity, and CFES iron models.
Installation and operation manual for MP-MBA-15T and 30T metered softeners with the 762 Logix control.
Installation and operation manual for MP-MBA-45T, 60T, and 75T metered softeners.
Installation and operation manual for MP-MCA anion (tannin) softeners.
Installation and operation manual for MP-MCA Satin Series cabinet softeners. 2022 revision.
Manual for the MP-NS-20T softener and neutralizer combination unit.
Manual for MP-NS-30T and 40T softener and neutralizer combination units.
Manual for the MP-TS-20T softener and turbidity filter combination unit.
Manual for MP-TS-30T and 40T softener and turbidity combination units.
Manual for MUN Series upflow acid neutralizers.
Manual for the Pioneer whole house lead and PFOA/PFOS reduction filter.
Owner’s manual for Satin Series 2.0 residential softeners, Master Water’s current line.
Owner’s manual for Satin Series Twin 2.0 alternating-tank softeners.
Manual for the Simplus manganese-based sulfur treatment filter.
Owner’s manual for the WOW reverse osmosis drinking water system (Rev H).
Service manual for Autotrol 255 and Performa Series (268, 268FA) valves with Logix 740/760 controls: programming, error codes, and parts diagrams.
Service manual for Autotrol 255 and Performa Series (263, 268, 268FA) valves with the newer 742/762 controls.
Operation manual for Logix 764 Magnum IT twin alternating systems (models 293 and 298).
Service manual for Logix 764 controls on Performa Cv Series valves (273 and 278).
Owner’s and installer manuals for the Performa 263/268 Easy-iQ, the current-generation control valve we install on new systems.
Owner’s manual for PURA ultraviolet water treatment systems.
Owner’s manual for legacy RainSoft 14 day timer conditioners (Model AM, 1990s).
Owner’s manual for current generation EC4 water treatment systems. 2024 revision.
Owner’s manual for the EC4 OxyTech chemical-free iron and sulfur filter.
Owner’s manual for EC4 Series conditioners, models EC4 50 through EC4 150.
Owner’s manual for Gold Series AQC conditioners built after August 2004.
Owner’s manual for RainSoft Gold Series water conditioners.
Owner’s manual for the RainSoft Hydrefiner drinking water system.
Owner’s manual for legacy Q2 computer-valve conditioners (Models AQ and AQB).
Owner’s manual for RainSoft Silver Series conditioners.
Owner’s manual for TC and TC-M Series conditioners, Gen 6 revision.
Owner’s manual for TC-FLT Y and YZ acid neutralizing systems.
Owner’s manual for TC-FLT H Series whole house filters.
Owner’s manual for the current Ultrefiner Elite reverse osmosis drinking water system. 2025 revision.
Owner’s manual for the Ultrefiner II premium reverse osmosis drinking water system.
Owner’s manual for Ultrefiner Series Model UF50T reverse osmosis systems.
Owner’s manual for the Rheem Preferred Compact 18,000 grain softener sold at Home Depot.
Installation and operation manual for the Rheem Preferred 32,000 grain demand-controlled softener.
Installation and operation manual for the Rheem Preferred Plus 42,000 grain softener.
Owner’s manual for the Wi-Fi enabled Rheem Preferred Platinum 42,000 grain softener.
Owner’s manual for Sears Deluxe Demand water softeners.
Owner’s manual for Sterilight S-Series UV systems (S1Q-PA through S8Q-PA): installation, lamp and sleeve replacement, and maintenance.
Owner’s manual for Trojan UV Max ultraviolet disinfection systems.
Owner’s manual for VIQUA Home Series UV systems (VH200-F10 and VH410-F20) with integrated sediment pre-filters.
Owner’s manual for the WaterBoss WB-V4 compact softener.
Installation and owner’s manual for WaterCare CareSoft metered softeners (UCS-844 through UCS-1354).
Installation and owner’s manual for WaterCare TotalCare, CareSoft Elite, and CareSoft Pro softeners and conditioners.
Manual for WaterCare twin-tank softener and conditioner systems.
Installation and owner’s manual for WaterCare whole-house filtration systems.
Installation and owner’s manual for Impression and Impression Plus Series metered softeners (IM, IMP, IMC, IMPC, IMRC, and IMPRC models).
Installation and owner’s manual for NSF-certified Impression Plus Series softeners.
Installation and owner’s manual for Sanitizer Plus Series conditioners with Crystal-Right media: programming, operation, and troubleshooting.
Master programming manual for Sanitizer Plus models with February 2019 and later controls.
Installation and owner’s manual for Water-Right twin softeners and conditioners (IMP-TW, ASP-TW, IMPRC-1054TW, ASP2-1044TW).
© 2026 Mr. Water LLC. The organization of this manual library and all product descriptions are the original work of Mr. Water LLC and may not be reproduced on other websites. Manuals are provided free for homeowner and service reference; all manufacturer documents remain the property of their respective owners.
If your model isn't listed, or you'd rather just send photos of your system and let Scott tell you what it needs — no salesman, no guesswork — reach out directly.
Send Photos & Get a Straight Answer