Model # 400AKRP10

Internet #100391762

null Complete Toilet Repair Kit

Complete Toilet Repair Kit

  • Fits 2 and 3-bolt tanks
  • Fits all brands of toilets
$1887 /each
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Frequently Bought Together

Product Overview

The Fluidmaster Complete Toilet Repair Kit lets you replace everything in your toilet tank at once. This kit includes a 400A fill valve, an Adjust-A-Flush flapper, a flush valve, a tank lever, hardware and seals for your convenience. This complete toilet tank repair kit is for 1.6 Gal. per flush toilets.

  • Contains a toilet flush valve with an adjustable water saving toilet flapper, a toilet fill valve, a chrome tank lever, and the bolts and gaskets for installation
  • Chrome tank lever trims/bends to fit, no pre-measuring needed
  • Flapper dials to adjust water volume for a custom flush
  • 5-year warranty

Info & Guides

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


Adjustable Fit
Dual Flush
Hardware Included
Plumbing Part Type
Toilet Flush & Fill Valve
Valve Type

Warranty / Certifications

Manufacturer Warranty
5 year warranty

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Customer Questions & Answers

Is this normal that you have to keep HOLDING the knob for a complete FLUSH?

My good old toilet flasher worked this way - you press the knob and go away. This one seems to be you press, HOLD (and watch and wait) until it's done, otherwise flush is not complete. REALLY? Not sure but If that's how it's supposed to be then there's something wrong with them (or us)?
Asked by: jnzz001
No, holding the lever should not be needed, That is a chain adjustment problem, most likely that the chain is not lifting the flapper far enough. so the chain needs to be a bit shorter.. If the flapper is not lifted high enough the flow of water will pull it back down as soon as the lever is released. The chain needs to have only a small bit of slack when the flapper is closed and the lever is released.
Answered by: MisterBill2
Date published: 2017-02-21

toilet, how can replace the sealant ruber ring at the bottom of the water tank, without breaking the plastic pipe that need to be removed

the plastic pipe is one piece that holds the flaper
Asked by: alex
To replace the rubber seal ring the first step is to close the water supply valve external to the toilet. Then drain the tank by flushing, and use a towel to remove the rest of the water. Then disconnect the water supply tube. After that, remove the bolts that hold the tank onto the base. there are either two or three bolts, depending on the model. Lift the tank off, and turn it upside down. There is a large nut holding the plastic pipe with the rubber seal in place. Unscrew the nut and remove the old assembly. Install the replacement following the directions provided, and re-assemble the tank to the base. Be very careful to not over-tighten the bolts doing this because it is possible to break either the tank or the base. The bolts should be just tight enough so that the tank does not wobble, or tilt, on the base.
Answered by: MisterBill2
Date published: 2017-03-18

what causes our fluid master 400 model to flush periodically on it's own

every so often our toilet flushes it self. It is not a full flush but would like to know why this is happening.
Asked by: Anonymous
A periodic operation is caused by a drop in the water level. Two possible causes, the most common being a small leak in the flapper valve, the other one being that water is siphoning out through the hose connected to the overflow tube. That hose needs to be trimmed shorter, so that it ends about at the tank water level. If the leak is at the flapper valve a cheap trick that sometimes works is to wipe off the valve seal area and the valve seat with a cloth wipe. If that does not fix it, then replace the flapper part. Home depot has those in stock usually. Much less work that a complete rebuild.
Answered by: MisterBill2
Date published: 2017-03-18

how to adjust water in tank

Asked by: Anonymous
I bought my toilet and need to find out how to adjust water level
Answered by: carson
Date published: 2015-11-17
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Customer Reviews

Complete Toilet Repair Kit is rated 4.0 out of 5 by 356.
Rated 3 out of 5 by from My 2 toilets had not had any repairs in decades and I could tell because of the leak-by I detecte... My 2 toilets had not had any repairs in decades and I could tell because of the leak-by I detected, hearing some constant running in each of the 2 bathrooms. Occasionally the filler valve would open momentarily to refill the leak-by. I purchased (2) of these to repair both of my toilets. For my particular brand (Kohler) of toilet, the triangular type seal which goes in between the tank and the bowl was NOT included, so I had to go back to HD to get the (2) tank seals. So the Claim that Fluidmaster makes as "COMPLETE" is sadly mis-applied here. I also had to modify the flush handle, because the angle of the stem that the pull chain attaches to was at the wrong angle to get close to the flapper for the mechanical advantage. Not in the instructions I can assure you! Next time, I think I'll just piece together my repair parts and probably save a few dollars....
Date published: 2017-01-04
Rated 5 out of 5 by from Great kit for rebuilding your toilet and stopping any leaks. Also it lets you regulate the amoun... Great kit for rebuilding your toilet and stopping any leaks. Also it lets you regulate the amount of water per flush which enabled me to finally replace those water "efficient" installations that were so popular in the mid 1990s, but which were useless for flushing any real solid waste down the toilet without using the "double flush" technique.
Date published: 2017-06-07
Rated 2 out of 5 by from The tank lever does not fit in. The plastic part to fix the lever on the toilet tank is bigger th... The tank lever does not fit in. The plastic part to fix the lever on the toilet tank is bigger than the hole, so the lever is not universal design.
Date published: 2017-05-07
Rated 5 out of 5 by from Product was not workable in my Delta toliet which I... Product was not workable in my Delta toliet which I purchased 3 years ago at Home Depot.
Date published: 2017-04-11
Rated 5 out of 5 by from Worked As An Updated Exact Replacement ... Worked As An Updated Exact Replacement ...
Date published: 2017-05-16
Rated 5 out of 5 by from Toilet work now. Thanks!... Toilet work now. Thanks!
Date published: 2017-07-11
Rated 5 out of 5 by from EXCELLENT... EXCELLENT
Date published: 2017-05-30
Rated 5 out of 5 by from Worked fine for me..but a critical step was not in the instructions. I purchased this kit to rework the insides of an old Mansfield toilet. All of the parts were included and instructions were fairly detailed. One step that should be included in the instructions, but was not. The overflow tube (the one that the fill hose attaches to) that is part of the flush valve is fairly long, and may need to be trimmed down on some tanks. If it is not trimmed to the proper height (just above the waterline), you could have a flood if they fill valve were to leak or stick open. The reason for this is due to the water reaching the hole in the side of the tank for the handle before it reaches the height of the overflow tube. Trimming it to a height between that of the handle hole and the full water line allows any excess water to safely drain through the toilet.
Date published: 2014-10-13
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