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Chesprocott Health District - News: How much water should be in the bowl after the flushing cycle is completed and the fill valve shuts off?
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Section: Frequently Asked Questions
How much water should be in the bowl after the flushing cycle is completed and the fill valve shuts off?
Last Update: Aug 01, 2002

The level/volume of water in the tank, the closing action of the flapper/tank ball, and the geometry of the toilet bowl’s S-trap determines how much standing water is in the bowl, as long as the toilet’s refill tube (or, for some one-piece toilets’, the diverter valve) supplies an adequate quantity of water to refill the bowl to this level. Mark the water level and slowly pour water into the bowl (or allow some water to enter by gently pushing down on the trip lever without initiating a flush). If the water level does not rise, the bowl water level is correct. If the water level rises significantly with this additional water, an adjustment should be made to increase the flow (relative to the tank refilling tube) through the refill tube. Unless the refill tube is kinked or the flow blocked through this tube, install a new refill tube with increased flow capacity. Alternatively, the flow through the tank refilling tube can be reduced by pinching the plastic or copper “hush tube” with pliers. It may not be the best practice, but it works.



FAQ Introduction
Common Toilet Troubleshooting Steps and some Frequently Asked Questions.
How long should it take to fill the tank and how can that be regulated?
The time to fill the tank varies with the design and size of the tank.
Why do toilet suppliers caution against over-tightening the nuts on toilet tank fixtures and trim?
Toilets are made of vitreous china, an exceptionally strong and durable material but one that can crack if subjected to a sharp impact or excessive stress.
What is the best way to adjust the water level in the tank?
The techniques vary by design among toilet fill valves.
Why must the refill tube always be kept above the water level?
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How important is it to flush the line before or when installing a replacement toilet fill valve?
0
What are the leading causes of premature failure of all toilet tank fittings and what are the implications?
0
Considering Cutting the Overflow Tube Below the C-L Marking on the Fill Valve?
Some fill valve suppliers and "how to" guides recommend cutting the overflow tube at 1" below the C-L mark on the valve. When should this be done?
Conformance with anti-siphon installation requirements of the ASSE 1002 Standard
Why does the critical level (C-L) mark of a toilet fill valve have to be a minimum of 1" above the top of the overflow tube (flood plain) to be in conformance with anti-siphon installation requirements of the ASSE 1002 Standard?
What is water hammer, why is it a problem, and what can be done to eliminate it?
Water hammer is the instantaneous increase in water pressure that occurs when water flowing in a pipe stops abruptly (as with a snap action valve closing).
Why does CESCO suggest that toilet repairs should be done by licensed plumber?
Should plumber’s putty, thread sealant, grease or lubricants ever be used in the installation or repairs of toilet fill
What is the least understood and most ignored routine maintenance tasks?
Why is it important to recognize and conform to anti-siphon codes?
What is thermal expansion in residential water supply pipes, why is it a problem, and what is the solution?
Why do many leading suppliers of [plastic] fill valves disclaim responsibility/reliability from product failures?
How much water should be in the bowl after the flushing cycle is completed and the fill valve shuts off?

 

Barry E. Walter Sr. Co. 2550 East Platte Avenue - Fort Morgan, CO 80701 - 800-767-5552

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