Support
Troubleshooting
Find solutions for problems when:
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Flushing
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Toilet Running Constantly
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Determining your toilet's noise and how to fix it
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Solutions for common Dual Flush toilet Problems
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How to fix a weak or incomplete toilet flush
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Toilet Bowl will not fill after the Flush
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How to check your toilet's flush volume
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Easy and effective ways to keep your toilet bowl clean
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How to fix common problems with a Fluidmaster 400CARP PerforMAX® No Tank Removal Kit
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How Often To Replace Toilet Flapper
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How "Adjustable" toilet flappers work
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Choosing the right flapper for your toilet
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Refilling
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How to fix water hammer or resonance causing loud noise
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Toilet Tank Won't Fill Up Or Is Slow To Fill
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Toilet Running Constantly
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Determining your toilet's noise and how to fix it
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Testing The Toilet Tank Water For A Leak Into The Toilet Bowl
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Toilet Bowl will not fill after the Flush
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Solutions for too much water in the toilet bowl
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How to check your toilet's flush volume
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How to install / Adjust a Leak Sentry Valve
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Easy and effective ways to keep your toilet bowl clean
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How to remove the toilet fill valve flow regulator
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How to fix common problems with a Fluidmaster 400CARP PerforMAX® No Tank Removal Kit
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How to easily maintain a Fluidmaster fill valve
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How "Adjustable" toilet flappers work
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Choosing the right flapper for your toilet
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Not in Use
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What to use when replacing & installing a toilet
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How to Replace a Toilet Flapper
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Toilet Running Constantly
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Determining your toilet's noise and how to fix it
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Determining Whether You Have a 2" or 3" Flush Valve and Flapper
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Toilet Bowl will not fill after the Flush
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Protect your toilet parts with Automatic Toilet Cleaner
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Solutions for a toilet making refill sounds on its own or ghost flushing
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How to identify and fix toilet flapper leaks
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Solutions for too much water in the toilet bowl
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How to install a Toilet Flapper
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How to check your toilet's flush volume
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How to install / Adjust a Leak Sentry Valve
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Instructions / FAQ'S on Click Seal Supply Lines
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Prevent flooding - Ensure proper adjustment
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Easy and effective ways to keep your toilet bowl clean
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Identifying all the parts in a toilet tank
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How to use wax when installing a toilet bowl
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Installing / resolving leaks at the tank bolts
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Choosing and installing the best toilet tank flush handle for your toilet
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How to fix common problems with a Fluidmaster 400CARP PerforMAX® No Tank Removal Kit
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How Often To Replace Toilet Flapper
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Easy toilet installation with Wax-free seal
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How "Adjustable" toilet flappers work
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Choosing the right flapper for your toilet
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Fluidmaster Fans
Fluidmaster is the most awesome customer service orientated company I have seen in a very long time...most impressed with the dedication to the consumer.
Will from Arkansas
July 25, 2024This was the best technical service resolution of a problem that I've had Ever.
William in Georgia
July 11, 2024Dearest Sir/Ma'am. Your company has the BEST OF THE BEST customer service and Tech Support. You stand behind your products like no others. For that, I have just became a Loyal Customer of your company. Your company Rocks and speaks volumes.
Chinli in Oakland, CA
July 9, 2024Tech Support group are fantastic. In this day and age, to get personalized service is beyond commendable. Thank you Fluidmaster for maintaining a true customer service orientated support operation. Thank you.
Jeff from Washington
February 26, 2024I was flabbergasted (in a good way) by the wonderful help I got from the email customer support staff. They helped me diagnose the problem, and even quickly sent a new part out, which I was not expecting. I can now fix my issue and have no more leaks.
Cynthia from Ohio
February 14, 2024The customer service rep that assisted me went above and beyond for me. I told him on the phone it was by far the best customer service experience I’ve ever had and you have won a customer for life.
Michael
July 7, 2023My comments are in two parts. First, I have learned from recent hard experience that Fluidmaster provides the strongest and most imaginative customer support, definitely far stronger than what I got from Korky. Because of this experience, I plan to buy Fluidmaster.
Jeffrey from M.A.
April 9, 2023After working with both Fluidmaster and Korky brand valves, I believe your design is superior and also your customer service is better. So easy to install and quieter. Keep up the good work and thanks for the trust.
Mark in Caldwell, NJ
June 15, 2022Your company customer service is AWESOME and should serve as a model to ANY and ALL other companies!!! I truly appreciate how awesome you are as a company and standing behind your products, your knowledge base (especially the videos), and most amazing Tech Support.
John in Chesapeake, VA
July 19, 2022The Service Techs that I talked to were the best I’ve ever experienced with ANY company. You’re doing something right! My issue was resolved quickly and efficiently. Thank you.
Laura in Wayne, PA
April 22, 2022On-line Service team was outstanding. Quick and comprehensive solution and answers. This group's customer focus should be the model for all businesses. These folks have made me a Fluidmaster believer and customer for life.
Harold in Texas
January 18, 2022"I only buy your products. I LOVE and trust your products, but I LOVE your technical service group MORE!!! They are always kind, courteous, and helpful. They have stayed on the phone with me and walked me through repairs. As a single mother, this service is invaluable. I won’t buy anything else and I recommend your products to all my friends. Keep up the great work!"
M.S. in Florida
Any time I have contacted Fluidmaster for advice and technical support, your staff have been very friendly and extremely helpful. Your customer service is exceptional and it's a pleasure dealing with your company! Thanks very much!
Ed in Toronto, Canada
January 16, 2022Fabulous customer service. Would highly recommend. You'd be foolish to go anywhere else for your plumbing and or plumbing repair products. Thank you Fluidmaster, you're a lifesaver.
John G. in South Carolina
December 22, 2021This is the best customer service I have experienced in my 72 years. Loved how your instructions are detailed step by step with photos. Loved how you said YOU DID IT! We Knew You Could!
Maury
December 12, 2021The rep went above and beyond to honor the warranty— shows the trust she had in the device and the company, which in turn builds confidence in the customer for future purchases— “a company that cares”.
Anshu
December 5, 2021"I will be a return customer for Fluidmaster brand. Products and customer service are exemplary!"
Sheila S.
"I was very satisfied by your customer service people and the fast delivery I was given . I don't think I've ever had such great customer service from any company ever!!!! Thank you sooo much."
Karen S.
"Since my first purchase of Fluidmaster products when I became a house owner and the results I've gotten from your products I wouldn't change and most importantly your customer service has been very positive. What more can I ask for."
Flo in Texas
"Fluidmaster has become my “go to” brand because of the technical support I have received."
Robert W.
"The Fluidmaster technical support department is exemplary in what a customer service, technical support should be."
Howard T.
"I had planned on sending an e-mail to the president of the company. I am 92 years old and have used your product for many years. Not being a plumber, I have appreciated your product because of its ease in installing. And so I thank you for your help. I have a three bath home, and all toilets now have your fill valves and flush valves."
Valued Customer in California
Your support was awesome! They helped me to troubleshoot, then sent all the parts I needed - and called to follow up and make sure everything was right! A very rare show of true customer support! Thank you!
Ruth in Virginia
"I used your Web site to find Instructions to fix my refill valve by cleaning it. Want you to know it worked. Fluidmaster has one of the best Webs for locating solutions/fixing their products.
Thank you Fluidmaster !
Rudy in Oklahoma
"I have full faith in Fluidmaster products and most important their guarantee, which is real."
Ron M. in North Carolina
Based on the OUTSTANDING service I got from your Technical support group, I would only buy Fluidmaster in the future!
Scott in Staten Island, New York
Your technical support department is the most amazing of them all. All of the techs are so very help. They provide videos to help DIY people get the job done! Love, love, love your company!
Rhonda in Arizona
Live Chat
If you are in North America and have an issue, you can chat with a member of our support team. There are representatives available, with no expected wait.
Live Chat is available:
Monday – Friday: 5:30 AM – 5:00 PM PST
Saturday, Sunday & Holidays: Not available
Ask a Question
Have a specific question? Send it to our support team and get an email reply within one business day.
Installation Instructions
Have a Fluidmaster product you want to install? Find the instructions you need to install it right.
Contact Info
United States
If you are in North America and can’t find what you are looking for on our site, please call:
800-631-2011
Support team is available:
Monday – Friday:
5:30 a.m. – 5:00 p.m. PST.
Saturday, Sunday & Holidays – Closed
Fluidmaster Headquarters
30800 Rancho Viejo Road
San Juan Capistrano
California 92675
Phone: 949-728-2000
United Kingdom
If you are in the U.K. and need help, please call:
01432 35 73 31
Fax: 01432 26 40 14
Or email:
help@fluidmaster.com
Fluidmaster Headquarters
Twyford Road
Rotherwas Industrial Estate
Hereford
HR2 6JR
United Kingdom