Model # 400ARHRP7

Internet #203145078

Fluidmaster Performax Fill Valve

Discontinued Fluidmaster

Performax Fill Valve

  • "Very easy to install without specialized tools" (review)
  • "Fills quickly and nearly silently" (review)
  • Recommended by consumers
store icon Loading Buying Options...
package icon Loading Buying Options...
Sorry, but we ran into issues loading these options. Please try refreshing.

Frequently Bought Together

Product Overview

The Fluidmaster Performax Fill Valve is the quietest and most powerful fill valve on the market. Your toilet is a precision-engineered appliance and is designed to work on a specific amount of water. The fill valve is the engine of this appliance; it drives flush performance and makes water saving possible by making sure that the right amount of water is used to flush the toilet. No other fill valve on the market will help your toilet run better than the Performax.

  • Most powerful fill valve on the market
  • Quietest fill valve on the market - ultra quiet fill
  • Performax valve has the highest refill rate of any valve on the market; your toilet will always get the right amount of water needed to flush
  • EZ-twist height adjusts from 10 in. to 15 in. to fit most tanks
  • 7 year warranty
  • Works with all toilets including KOHLER, Toto and American Standard
  • Universal fit, perfect for: high efficiency toilets HET 1.28 Gal., dual flush, including duo flush, 1.6 Gal. toilets with 2 in. and 3 in. flush valves (1994 and newer toilets, older high Gal. toilets with 2 in. flush valve (pre-1994 toilets), 2X greater refill rate than standard fill valve

Info & Guides

You will need Adobe® Acrobat® Reader to view PDF documents.  Download a free copy from the Adobe Web site.



Product Depth (in.)
Product Height (in.)
Product Width (in.)


Adjustable Fit
Yes, adjust from 10"-15"
Dual Flush
Hardware Included
Plumbing Part Type
Toilet Fill Valve
Valve Type

Warranty / Certifications

Manufacturer Warranty
7 year warranty

More Products With These Features


Customer Questions & Answers

instructions say to raise water level turn clockwise & counter clockwise to lower but i can't get screw to turn either

Asked by: Anonymous
I had the same problem until I slipped the plastic ring up on the lower plastic tube, then you can adjust the tube up or down.
Answered by: Norm
Date published: 2016-06-22

will the performax work on a toto toilet,which needs high flow to refill bowl?

Asked by: Anonymous
Not sure what you mean by high flow. I found that this valve refilled somewhat slowly and was therefore pretty quiet.
Answered by: John
Date published: 2016-09-24

will the Fluidmaster Performax High Refill Rate Fill Valve fill valve work in an American Standard tank 4072?

Asked by: Anonymous
I don't see why not. It looks like a pretty normal tank and this valve should fit just about any toilet.
Answered by: John
Date published: 2016-09-24

Will this valve work with the Icera one piece toilet?

Asked by: Anonymous
Is the connection to the water supply external to the body of the toilet? (In other words, does the water supply connect to the bottom of the tank OUTSIDE of the side panel?) If so, the Fluidmaster valve should work fine.
Answered by: CBGAVirginia
Date published: 2015-09-20
  • y_2017, m_8, d_18, h_3CST
  • bvseo_bulk, prod_bvqa, vn_bulk_1.0.0-hotfix-1
  • cp_1, bvpage1
  • co_hasquestionsanswers, tq_9
  • loc_, sid_203145078, prod, sort_[SortEntry(order=NUM_ANSWERS, direction=DESCENDING), SortEntry(order=SUBMISSION_TIME, direction=DESCENDING), SortEntry(order=LAST_APPROVED_ANSWER_SUBMISSION_TIME, direction=DESCENDING), SortEntry(order=LAST_APPROVED_ANSWER_SUBMISSION_TIME, direction=DESCENDING), SortEntry(order=BEST_ANSWER_FEEDBACK_COUNT, direction=DESCENDING), SortEntry(order=POSITIVE_ANSWER_FEEDBACK_COUNT, direction=DESCENDING), SortEntry(order=NUM_ANSWERS, direction=DESCENDING)]
  • clientName_homedepot
  • bvseo_sdk, java_sdk, bvseo-3.1.1
  • CLOUD, getContent, 100ms

Customer Reviews

Performax Fill Valve is rated 4.1 out of 5 by 129.
Rated 5 out of 5 by from Great valve Well, this is one of the product that is hard to write review for. It works! I was thinking to upgrade my whole toilet but decided to give this a try, just to see if I can squeeze some more life out of it before full replacement. What I can say, it sure worked well. I'm not a plumber so it took a bit to install it but i think average DIYer can do it. It worked like a charm! I say this is great unit if you planning to upgrade your bathroom and want something to be done quickly - this is right place to start. Pretty simple and you can see results outright. I would recommend it to anybody who want to squeeze some life out of older units.
Date published: 2017-06-16
Rated 5 out of 5 by from Simple, Quiet, and Efficient! The PerforMAX Fill Valve is an outstanding replacement for my noisy, difficult to maintain, energy-inefficient alternative toilet fill-valve. The PerforMAX is just the opposite to the components I replaced. PerforMAX was simple to adjust in height to my toilet tank, with clear and straightforward instructions for ease of installation, and operates with far less noise than my previous fill-valve. PerforMAX also has a convenient water refill speed adjustment, ensuring energy efficiency by saving water when refilling your tank and bowl. I am greatly satisfied with this product.
Date published: 2017-06-14
Rated 2 out of 5 by from Cheaply made, design has gone downhill Not much of a selection is out on the home improvement center shelves anymore. This used to be a well built product. Now it is all plastic with sloppy tolerances especially in the adjustment areas. I destroyed one of these valves trying to adjust the initial height adjustment because IT JUST PLAIN JAMMED. I would only recommend this product because there is practically little choice out there.
Date published: 2017-06-16
Rated 5 out of 5 by from Very nice upgrade. This replaced a low flow filler valve in my guest bathroom. The performax valve filled so much faster than my old one and the adjustable flow roller was a nice touch on the filler hose. The construction seems very sturdy, it was a breeze to install and height adjustments were a simple twist. I will absolutely be installing another in the master bathroom.
Date published: 2017-06-25
Rated 5 out of 5 by from Easy Installation, Quiet Refill, Powerful Flow I am really happy with my choice to get a Fluidmaster High Performance Toilet Fill Valve. It is made with top quality materials and built to last for years of trouble free performance. I got my new fill valve after my old toilet fill valve was starting to malfunction and was not refilling my tank. My new Fluidmaster PerforMAX Toilet Fill Valve was super easy to install with its easy twist height adjustment to fit my standard 1.6 gallon toilet, then simply connecting the shank to the tank by securing the shank washer between the locknut and hand tighten until secure, be sure to leak test, then connect the refill tube to the overflow pipe and adjust the roller clamp to your desired water savings level. Detailed instructions with pictures are included, along with a toll free customer support number available M-F 5:30 a.m. to 5 p.m. PST. Fluidmaster gives you a 7 year warranty. I highly recommend the Fluidmaster PerforMAX Toilet Fill Valve.
Date published: 2017-06-02
Rated 4 out of 5 by from Great valve with adjustability This seems to be a well made toilet valve with ability to adjust/balance water level between the tank and bowl. I feel this is a better than average valve compared to others and would definitely buy again.
Date published: 2017-06-20
Rated 5 out of 5 by from Works great! This was easy to install, it works great, and it saves on water a bit a seems. It does appear to fill much faster then my old one as well. The construction also seems like it will last a long time.
Date published: 2017-06-26
Rated 4 out of 5 by from easy and fast this plunger valve is easy to install and fits most standard toilets. It flushes fast and does not clog. It is not obtrusive. Does what it says it will do
Date published: 2017-06-06
  • y_2017, m_8, d_14, h_10
  • bvseo_bulk, prod_bvrr, vn_bulk_1.0.0-hotfix-1
  • cp_1, bvpage1
  • co_hasreviews, tv_0, tr_129
  • loc_, sid_203145078, prod, sort_[SortEntry(order=RELEVANCE, direction=DESCENDING)]
  • clientName_homedepot
  • bvseo_sdk, java_sdk, bvseo-3.1.1
  • CLOUD, getContent, 105ms