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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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About Watts manuals on Manuals.plus

Watts (Watts Water Technologies, Inc.) designs and manufactures a comprehensive portfolio of products to control, conserve, and manage fluid and energy flow into, through, and out of buildings. Their solutions range from residential plumbing valves and reverse osmosis systems to large-scale commercial backflow preventers and drainage systems. Founded on innovation, Watts aims to improve comfort, safety, and quality of life through advanced water technologies.

Headquartered in North Andover, Massachusetts, the company serves residential and commercial markets across the Americas, Europe, Asia-Pacific, the Middle East, and Africa. Their product lines include water quality solutions, heating and hot water systems, drainage, and flow control devices known for reliability and compliance with strict safety standards.

Watts manuals

Latest manuals from manuals+ curated for this brand.

WATTS Version 1.1.2 Homegrid Controller Installation Guide

January 2, 2026
WATTS Version 1.1.2 Homegrid Controller Specifications Safety information Warning! Before installing the Watts Homebred Controller, it is important to read the safety instructions on these pages. Disregarding the instructions, guidelines,…

WATTS LF25AUB Union Tailpiece kit Instructions

December 10, 2025
WATTS LF25AUB Union Tailpiece kit Specifications: Model: IS-TPK-PRV-SU Compatible with: LF25AUB, LFN45B, and LFN55B Union Types: Threaded, Solder, CEF, PEX, Press, CPVC, Quick Connect Sizes: 1/2" - 2" Product Usage…

Watts GTS450C Under-Counter Reverse Osmosis System Manual

Installation, Operation, and Maintenance Manual
Installation, operation, and maintenance guide for the Watts GTS450C under-counter reverse osmosis water filter system. Learn about setup, filter changes, troubleshooting, and water purification.

Watts BMS Flood Sensor Retrofit Connection Kit Installation Guide

Installation Instructions
This guide provides detailed installation instructions for the Watts BMS Flood Sensor Retrofit Connection Kit (Model IS-RFK-FS-ReliefValve-BMS). It covers kit components, requirements, preparation, installation steps, wiring diagrams, and warranty information…

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Watts support FAQ

Common questions about manuals, registration, and support for this brand.

  • How often does my Watts backflow preventer need to be tested?

    Local codes typically require backflow preventers to be tested and inspected at least once per year by a certified tester to ensure the safety of the potable water supply.

  • What is the warranty period for Watts products?

    Watts generally warrants products to be free from defects for one year from the date of original shipment, though specific product lines (like RO systems or commercial valves) may have different terms available on the warranty page.

  • Can I install Watts reverse osmosis systems myself?

    While installation is possible for those with plumbing skills, Watts recommends that meaningful water treatment systems be installed by a trained professional or licensed plumber to ensure compliance with local codes.

  • Where can I find repair kits for Watts valves?

    Repair kits and service parts for backflow preventers, pressure reducing valves, and other devices are detailed in the Watts maintenance manuals and can be ordered through authorized distributors.