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Watts Manuals & User Guides

Watts is a global leader in water technologies, manufacturing products for flow control, water quality, and fluid regulation in residential and commercial settings.

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Watts Support

Official site: https://www.watts.com/
General support: https://www.watts.com/support
Warranty & registration: Warranty info
Support phone: +1-978-689-6066
Contact form: Contact manufacturer support

Watts manuals

Latest manuals from manuals+ curated for this brand.

Watts Master Series Double Check Valve Assemblies Instruction Manual

March 19, 2026

Watts Master Series Double Check Valve Assemblies Product Information Specifications: Model: RP/IS-F-870V-DC/DCDA Recommended Usage: Double Check Valve Assemblies Installation: Vertical or N-pattern Installation Features Protects against possible backpressure and backsiphonage…

Watts LF850/LF856 Double Check Valve Assembly and Double Check Detector Instruction Manual

March 19, 2026

Watts LF850/LF856 Double Check Valve Assembly and Double Check Detector Specifications Model: LF850-OSY Type: Double Check Valve Assembly Application: Protect potable water systems from cross-connections Pressure Requirement: Minimum 20 psi…

WATTS 870V MasterSeries Double Check Valve Installation Guide

March 13, 2026

WATTS 870V MasterSeries Double Check Valve Specifications Model: IOM-F-850/870-DC/DCDA Product Type: Double Check Valve Assembly Double Check Detector Assembly Recommended Installation: By a licensed contractor following local codes Components: Two…

Watts LF Series with flood sensor Reduced Pressure Instruction Manual

March 13, 2026

Installation, Operation, and Maintenance Manual MasterSeries Reduced Pressure Assembly® 860, 880V LF Series with flood sensor Reduced Pressure WARNING Read this Manual BEFORE using this equipment. Failure to read and…

WATTS RP-IS-007S Double Check Valve Assemblies Installation Guide

March 10, 2026

RP/IS-007S Installation, Maintenance, and Repair Manual Series 007, LF007 Double Check Valve Assemblies 1/2"-2" Warnings and Notices ⚠️ WARNING Read this Manual BEFORE using this equipment. Failure to read…

WATTS LF007 Series Double Check Valve Instruction Manual

March 10, 2026

WATTS LF007 Series Double Check Valve Specifications Product Name: Series LF007 Double Check Valve Assembly Model: LF007-NRS-IOT Designed for: Preventing backflow of polluted water into potable water supply Features: Factory-installed…

WATTS PWRX4040011 Light Commercial Reverse Osmosis Systems Installation Guide

March 10, 2026

WATTS PWRX4040011 Light Commercial Reverse Osmosis Systems Specifications Order code: IOM-WQ-PWRX40 Models: PWRX4040011, PWRX4040021, PWRX4040031 Maximum Productivity: 2500, 5000, 7500 gallons per day Quality (average membrane rejection): 98% (min. 96%)…

WATTS IS-SCM Sensor Control Monitor Connection Kit Installation Guide

February 6, 2026

IS-SCM-Connection Kit Installation Instructions Sensor Control Monitor Connection Kit IS-SCM Sensor Control Monitor Connection Kit INTEGRATING SMART EQUIPMENT ACV with Pressure Monitoring Backflow Preventer with Flood Protection Relief Valve with…

WATTS 1915987 Making PEX Connections with Cinch Clamps Installation Guide

February 4, 2026

Installation Instructions Watts PEX Making PEX Connections with Cinch Clamps™ IS-WP-Cinch Clamp Guidelines 1915987 Making PEX Connections with Cinch Clamps WARNING Read this Manual BEFORE using this equipment. Failure to…

2540 Watts Home Mobile App User Guide

February 2, 2026

2540 Watts Home Mobile App Important Information WARNING THINK SAFETY FIRST Please read carefully before proceeding with installation. Your failure to follow any attached instructions or operating parameters may lead…

Watts HY-500 Non-Freeze Deck Hydrant Engineering Specification

technical specification

Technical engineering specifications for the Watts HY-500 concealed non-freeze key-operated deck hydrant, featuring nickel bronze construction and installation details.

Watts H2O-DWRO300 3-Stage Reverse Osmosis System Installation and Maintenance Manual

manual

Comprehensive installation, operation, and maintenance manual for the Watts H2O-DWRO300 3-Stage Reverse Osmosis System. Includes troubleshooting, performance data, and warranty information.

Watts OneFlow+ Salt-Free Scale Prevention and Water Filtration System Manual

manual

Installation, operation, and maintenance manual for the Watts OneFlow+ (Model OFPSYS) salt-free scale prevention and water filtration system.

Watts Series W7000 Sanitary Butterfly Valve Installation, Operation and Maintenance Manual

manual

Installation, operation, and maintenance manual for Watts Series W7000 2-Piece Sanitary Butterfly Valves (Models W7200, W7400). Includes safety guidelines, installation steps, and maintenance procedures.

Watts Home Mobile App Installation, Operation and Maintenance Manual

manual

Comprehensive installation, operation, and maintenance guide for the Watts Home Mobile App. Learn how to manage locations, add devices, and control your smart home systems including tekmar and SunStat devices.

Watts Series W7000 2-Piece Sanitary Butterfly Valves Specification

technical specification

Technical specifications and engineering data for Watts Series W7000 2-piece sanitary butterfly valves, featuring Tri Clamp and tube weld connections for high-purity and hygienic processing environments.

Watts LFF113-12 Solenoid (On-Off) Control Valve Specification

technical specification

Technical specifications and operational overview for the Watts LFF113-12 (Globe) Solenoid (On-Off) Control Valve for 4-inch and smaller applications.

Watts Series LF1L, LF1XL, LF10L, and LF100XL T&P Relief Valves Specification

technical specification

Technical specifications, installation guidelines, and safety information for Watts Series LF1L, LF1XL, LF10L, and LF100XL Temperature and Pressure Relief Valves for water heaters and storage tanks.

Series LFM127-1 / LFM6127-1 One-Way Flow Altitude Control Valve Installation and Maintenance Manual

manual

Comprehensive installation, operation, and maintenance manual for the Watts Series LFM127-1 and LFM6127-1 One-Way Flow Altitude Control Valves. Includes technical specifications, troubleshooting, and repair instructions.

Series W2000 Sanitary Wye Strainer Installation, Operation and Maintenance Manual

manual

Installation, operation, and maintenance manual for the Watts Series W2000 Sanitary Wye Strainer (Model W2400), including safety guidelines, installation steps, and maintenance procedures.

Vision® Wireless Smart Wireless Plug Receiver PR03 RF 230 Installation Guide

installation guide

Installation and operation guide for the Watts Vision® Wireless Smart Wireless Plug Receiver (PR03 RF 230). Includes safety instructions, pairing procedures, and technical specifications.

Installation, Operation and Maintenance Manual: Watts Series W5000 Sanitary Check Valve

manual

Comprehensive installation, operation, and maintenance guide for the Watts Series W5000 Sanitary Check Valve (Model W5400). Includes safety information, component breakdown, and warranty details.

BMS Sensor Connection Kit

Instruction Manual

BMS Sensor Connection Kit, Sensor Connection Kit, Connection Kit

U-M311 Smart Elapsed Time Monitor with 1 Inch Flow Meter

User Guide

U-M311 Smart Elapsed Time Monitor with 1 Inch Flow Meter, U-M311, Smart Elapsed Time Monitor with 1 Inch Flow Meter, Smart Elapsed Time Monitor, Elapsed Time Monitor, Time Monitor, Monitor

OFRES-0835-K Smart and Connected Residential OneFlow Anti-Scale Systems

Instruction Manual

OFRES-0835-K Smart and Connected Residential OneFlow Anti-Scale Systems, OFRES-0835-K, Smart and Connected Residential OneFlow Anti-Scale Systems, Connected Residential OneFlow Anti-Scale Systems, Residential OneFlow Anti-Scale Systems, OneFlow Anti-Scale Systems, Anti-Scale Systems,…

Cellular Sensor Connection Kit Air Gap Flood Sensor

Instruction Manual

Cellular Sensor Connection Kit Air Gap Flood Sensor, Cellular Sensor, Connection Kit Air Gap Flood Sensor, Air Gap Flood Sensor, Flood Sensor

562 WiFi Thermostat

Instruction Manual

562 WiFi Thermostat, 562, WiFi Thermostat, Thermostat

LF920GD Backpressure Control Valve

Instruction Manual

LF920GD, LF620GD, LF920GD Backpressure Control Valve, LF920GD, Backpressure Control Valve, Control Valve, Valve

W561 WiFi Thermostat

User Manual

W561 WiFi Thermostat, W561, WiFi Thermostat, Thermostat

CWSTA-150 Duplex Alternating 1.5 Inch Water Softeners

Datasheet

CWSTA-150 Duplex Alternating 1.5 Inch Water Softeners, CWSTA-150, Duplex Alternating 1.5 Inch Water Softeners, Alternating 1.5 Inch Water Softeners, 1.5 Inch Water Softeners, Water Softeners, Softeners

957RPDA-FS Reduced Pressure Zone Assemblies

User Manual

957RPDA-FS, LF957RPDA-FS, 957RPDA-FS Reduced Pressure Zone Assemblies, 957RPDA-FS, Reduced Pressure Zone Assemblies, Pressure Zone Assemblies, Zone Assemblies

957-FS Series Cellular Sensor Connection Kit and Retrofit Connection Kit

Instruction Manual

957-FS, 957RPDA-FS, LF957RPDA-FS, 957-FS Series Cellular Sensor Connection Kit and Retrofit Connection Kit, 957-FS Series, Cellular Sensor Connection Kit and Retrofit Connection Kit, Cellular Sensor Connection Kit, Sensor Connection Kit,…

CO-390-E General Purpose Floor Cleanout

Datasheet

CO-390-E General Purpose Floor Cleanout, CO-390-E, CO-390-E Floor Cleanout, General Purpose Floor Cleanout, Floor Cleanout

RD-290 Scupper Drain with Flat Grate

Datasheet

RD-290 Scupper Drain with Flat Grate, RD-290, Scupper Drain with Flat Grate, Scupper Drain, Drain

Watts manuals from online retailers

Watts PL-3034 3/8x3/8x1/4 Quick Connect Tee Instruction Manual

PL-3034 • September 30, 2025

Instruction manual for the Watts PL-3034 3/8x3/8x1/4 Quick Connect Tee, detailing installation, operation, maintenance, troubleshooting, and specifications for this plumbing fitting.

Watts MILUX 2 RF Digital Room Thermostat Instruction Manual

MILUX 2 RF • September 27, 2025

Instruction manual for the Watts MILUX 2 RF Digital Room Thermostat, compatible with all central heating systems and easy to program. Includes setup, operation, maintenance, and specifications.

Watts LFN45B Pressure Reducing Valve User Manual

LFN45B • August 12, 2025

Comprehensive user manual for the Watts LFN45B Pressure Reducing Valve, covering installation, operation, maintenance, troubleshooting, and specifications for residential and light commercial water systems.

Watts 0342691 30 PSI Pressure Relief Valve User Manual

WATTS - 118946 • July 28, 2025

Comprehensive user manual for the Watts 0342691 30 PSI Pressure Relief Valve, covering installation, operation, maintenance, troubleshooting, and specifications.

Watts LF26A Water Pressure Regulator Valve User Manual

LF26A • July 27, 2025

Comprehensive user manual for the Watts LF26A Water Pressure Regulator Valve, covering installation, operation, maintenance, troubleshooting, and detailed specifications for this 3/8 inch lead-free brass valve.

Watts LF25AUB-Z3 Water Pressure Reducing Valve Instruction Manual

LF25AUB-Z3 • July 22, 2025

Comprehensive instruction manual for the Watts LF25AUB-Z3 Series 1" Lead-Free Water Pressure Reducing Valve, covering installation, operation, maintenance, and specifications.

Watts LF-MMV-M1-UT - 1" Thermostatic Mixing Valve with FPT Union Connections- 80 degree to 120 degree Adjustable- .5 to 12 GPM

LF-MMV-M1-UT • July 9, 2025

Watts LF-MMV-M1-UT - 1" Thermostatic Mixing Valve with FPT Union Connections- 80 Degree to 120 Degree Adjustable- .5 to 12 GPM

Watts A2C-SC-WB Series Intelliflow 1/2" Washing Machine Smart Water Shutoff Valve with Leak Sensor, Inlet Adapters, Wall Box, Automated Flood Detection with Real-Time Text and E-mail Alerts With Wall Box

Intelliflow • July 6, 2025

The Watts A2C-SC-WB Series Intelliflow 1/2" Washing Machine Smart Water Shutoff Valve with Leak Sensor provides automated flood detection and immediately shuts off the water supply if an…

Watts RK 007M2-T 3/4 Inch Double Check Valve Repair Kit User Manual

007M2-T • June 13, 2025

3/4 In Double Check Valve Total Repair Kit, For 007M2_This 3/4 IN 007M2 total repair kit provides all the parts necessary to replace the major internal components of…

Watts video guides

Watch setup, installation, and troubleshooting videos for this brand.

Watts Series 911 Combination Fill Valve & Backflow Preventer for Boiler Systems

1:15 • 1920×1080 • informational