Toto spares, Toto parts, Toto spare parts, Spare code no : DH868G (SHXAQ41) Stop valve, The part DH8...

Toto spares, Toto parts, Toto spare parts, Spare code no : DH868G (SHXAQ41) Stop valve,

• The part DH868G is listed in TOTO spare parts catalogs alongside “STOP VALVE”. WELCOME TO BHARAT ENTERPRISES
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• The code SHXAQ41 is paired with DH868G in that listing, i.e. “DH868G, STOP VALVE, SHXAQ41”. WELCOME TO BHARAT ENTERPRISES
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• The listing suggests that DH868G / SHXAQ41 is a separate component (not the full flush unit) designated as a “stop valve” in TOTO’s spare code roster. WELCOME TO BHARAT ENTERPRISES

Thus, DH868G is (or was) produced/stocked by TOTO (or its spares network) as a stop valve spare.

⚙ Role & Uses of a Stop Valve in TOTO / Plumbing Systems

A stop valve (also called shut‑off valve, stopcock, isolation valve) is a valve that allows you to stop (isolate) the flow of water to a fixture or a section of piping without shutting off the main water supply. In the context of TOTO / sanitary fittings, typical uses include:

1. Isolating supply to a fixture
2. The stop valve sits on the inlet water line going to a toilet cistern, wash basin, flush unit, sensor flush unit, or other TOTO fixture. It allows maintenance, repair, or replacement without shutting off the water for the entire home or floor.
3. Protecting against leaks / emergency shutoff
4. If there is a leak or overflow in the fixture, the stop valve can be quickly turned off to cut water supply locally.
5. Flow control / regulation
6. While primarily for on/off, some stop valves may also allow fine control (partial open) in certain designs, though usually their function is binary (open/closed).
7. Connection point
8. Serve as fixed interface between the supply line (pipe) and the fixture’s internal inlet component (e.g. flush valve or solenoid assembly). The valve often includes internal seals, threads, or fittings to mate with the fixture’s inlet.
9. Servicing sensor / automated flush systems
10. In sensor / automatic flush units (which TOTO makes), the stop valve becomes especially important because these systems often have solenoid / electronics. You may have to isolate water supply during maintenance or when adjusting/repairing internal components.

In short, the DH868G/SHXAQ41 stop valve is likely the isolation valve for water supply to a particular TOTO flush / sensor / fixture module.

🧮 What to verify / what specifications are important

Because detailed specs of DH868G / SHXAQ41 are not publicly found, these are the key parameters you need to check when replacing or sourcing:

ParameterWhy it mattersHow to measure / checkConnection type & threadsThe valve must match the pipe / fixture inlet threads (e.g. ½', ¾', BSP, NPT)Measure the inlet and outlet thread diameters & thread pitchOperating pressureThe valve must safely operate within the water supply pressure rangeLook at manifold pressure specs or test existing systemMaterial / corrosion resistanceMust resist corrosion and scale over yearsBrass, stainless, or coated metals are typical; avoid low grade materialSeal / gasket typeA good seat / gasket is required for leak‑tight closureInspect internal seals for wear; ask for compatible gasketsHandle / actuationLever, knob, or quarter-turn design affects usabilityEnsure the handle has clearance and fits in the installed spaceValve body dimensionsThe physical size must fit the assigned spaceMeasure length, height, and clearance around valve

✅ Summary: Uses & Function

• DH868G / SHXAQ41 is a stop valve spare component in TOTO’s parts list. WELCOME TO BHARAT ENTERPRISES
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• Its primary use is isolation / shut-off — to stop water supply to a TOTO fixture (cistern, flush unit, sensor unit etc.) for maintenance, repair or in fault conditions.
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• It acts as a junction between the plumbing supply line and the fixture’s internal inlet, and ensures that water can be turned off locally without disturbing the entire water system.

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