Toto spare, Toto parts, Toto spare parts, Spare code no : S-B4067 - flush valve w-dual push button, ...

Toto spare, Toto parts, Toto spare parts, Spare code no : S-B4067 - flush valve w-dual push button, Here’s how a TOTO spare like S‑B4067 — flush valve with dual push button should be used, what its functions are, and what to check so it works properly. If you have the physical part, matching model or photo, I can give more precise suggestions for your case.

What S‑B4067 Should Be Used For

The S‑B4067 dual‑push‑button flush valve is intended for toilets with dual flush systems. Its uses / applications include:

1. Dual flush flushing
2. It lets the user choose between two flush volumes:

• A smaller (half) flush — usually for liquid waste (urine).
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• A larger (full) flush — for solid waste.
• This helps reduce water use and save water bills.

1. Replacement part
2. If the original flush valve (or flush buttons / actuator) is damaged, leaking, or malfunctioning, S‑B4067 serves as a replacement.
3. Upgrade / retrofit
4. In some cases, one may replace a faulty single‑flush valve with a dual‑flush one (if compatible), to improve efficiency.
5. Ensure compliance / water efficiency
6. Many locales encourage or mandate dual flush to meet water usage regulations. Using a proper dual push valve helps meet those standards.

What it Should Do Functionally

When properly installed & working:

• Pressing the small or half‑flush button should cause the valve to open partially (or use only part of the discharge opening) to use less water.
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• Pressing the larger/full‑flush button opens fully, letting maximum designed water volume flush.
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• After flush, the valve should reseal properly so no water leaks into the bowl once refill begins.
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• The tank refills to a preset level; overflow safety must work (overflow tube etc.).
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• Buttons must operate reliably (press, return, no sticking).

What to Check / How to Use in Practice

To make sure the S‑B4067 works well:

What to Inspect / DoWhy It MattersCompatibility with toilet tankThe valve’s base and flush hole size must match the tank hole. Push‑button rods must reach buttons on lid.Mounting and sealingThe valve must be sealed well at the base to avoid leaks. Nut or mount must be tightened properly (but not over‑tight).Button assembly & rodsThese need to be aligned, not bent, and have proper travel distance. If rods are too short or misaligned, push won’t actuate flush.Seals / gasketsRubber or elastomer seals must be in good condition; if worn, water can leak or flush may not shut off properly.Flush volumesThe amount of water for each flush should match design. Sometimes there are adjustable parts to set the small flush volume so that it works reliably.Refill systemAfter flush, refill valve should restore water to proper level. Also needs refill tube working.Button operationThey should not stick; need to move freely. Clean buttons if minerals or scale have built up.

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