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Chesprocott Health District - News: What are the leading causes of premature failure of all toilet tank fittings and what are the implications?
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Section: Frequently Asked Questions
What are the leading causes of premature failure of all toilet tank fittings and what are the implications?
Last Update: Sep 03, 2002

Tank bowl cleaners commonly used in tanks to sanitize toilets do considerable harm to many tank fittings, most noticably to tank balls and flappers. Those tablets and liquids that contain sodium hypochlorite or chlorine bleach are particularly damaging to all rubber goods and many plastic components. Bowl cleaners used in toilets that are flushed infrequently (or left for prolonged periods, such as in vacation homes) can be especially damaging due to the high chemical concentrations reached. Chlorine and chlorine-related compounds in some public water supplies can also drastically shorten the life expectancy of tank fittings. Public and private water supplies that contain debris (e.g. sand & grit particles), excessive amounts of dissolved minerals, and with pH levels beyond normal/neutral range can also cause premature failure of fill valves. High water pressure can also cause premature failure, especially among fill valves that employ delicate diaphragms as the sealing member.



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?
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What are the leading causes of premature failure of all toilet tank fittings and what are the implications?
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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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