Toto spares, Toto parts, Toto spare parts, Spare code : TX442SIZ - Single Lever Bath Shower mixer wi...

Toto spares, Toto parts, Toto spare parts, Spare code : TX442SIZ - Single Lever Bath Shower mixer with diverter.

• TOTO’s official (Indonesia) site lists TX442SIZ under “Shower Mixer Diverter / Mixer Diverter” with the description “Single Lever Bath & Shower Mixer With Diverter”. TOTO
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• However, that product page notes “DISCONTINUED”. TOTO
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• The listing page also mentions that CAD drawings (.DWG), manual (.PDF), Revit / 3D files are or were available (or linked) in the product page. TOTO
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• TOTO also lists similar models in the “TX442” family (e.g. TX442SV, TX442SX, etc.) as single lever bath/shower mixers with diverters. TOTO
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So, TX442SIZ is (or was) one variant in TOTO’s mixer line, now discontinued. But many of its specifications (especially hydraulic / pressure ranges) are likely similar to sibling models in the TX442 series.

Likely / Known Specifications & Features

Because the TX442SIZ page is thin on details, one must rely on context and related models in the same family. Here are expected and known specs:

ParameterLikely Value / RangeNotes / Source / InferenceTypeDeck / wall (depending on installation) single lever mixer with diverterIt’s described as “Single Lever Bath & Shower Mixer with Diverter” TOTO

DiscontinuationYes (product is listed as discontinued)Official TOTO page says “DISCONTINUED” TOTO

Minimum water pressure~ 0.05 MPaThis is a common minimum for TOTO’s single lever mixer family (other TX442 models)

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Maximum water pressure~ 0.75 MPaTypical maximum for TOTO mixers in that series TOTO

Diverter functionYes, integrated diverter to switch between bath spout and shower outletThat’s built into the product name “mixer with diverter” TOTO

Finish / materialsLikely brass body with chrome plating or similar durable finishBecause that’s standard for these mixers — also same as sibling models in TX442 familyCAD / 3D / drawing supportThe product page indicates CAD drawings (.DWG), object files, and a manual are / were availableHelps for dimension drawing / planning TOTO

Similar model as reference

To better understand the features, here’s a reference from a closely related model:

• TX442SX (Alisei series)
• Single lever bath/shower mixer with diverter. TOTO
• Operating pressure range: 0.05 – 0.75 MPa
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• Connections: G½ for supply and connections.
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• The installation diagram shows inputs from hot and cold, turning handle to divert to shower or spout.
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• The manuals caution about using mild cleaners and avoiding abrasive solvents for the finish.

Because TX442SIZ is in the same family, it would be reasonable to expect similar operational envelope, connection standards, and installation practices.

What to verify / check if you want to use or replace it

If you are considering using, repairing, or replacing TX442SIZ (or a compatible variant), here are the key items you should verify:

1. Connection thread sizes and types

• Ensure the hot/cold inlets are of standard size (likely G½ or equivalent metric) compatible with your supply plumbing.
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• The outlets (spout, shower hose) must have compatible thread or pipe fitting sizes.

1. Diverter quality / function

• The diverter must reliably switch between bath spout and shower outlet without leaks or drift.
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• Check internal diverter mechanism, seals, and durability.

1. Flow / hydraulic performance

• Under your incoming pressure range, ensure that the mixer gives good mixing, adequate flow, minimal pressure drop, and consistent temperature control.

1. Water pressure compatibility

• The unit must operate well over your system’s pressure range (especially at low pressure). The nominal range (0.05 to 0.75 MPa) is typical, but check for any head losses or restrictions in your location.

1. Finish durability & materials

• The body should be brass or corrosion‑resistant alloy, with a durable finish (chrome, etc.). If the finish is damaged, it may corrode or degrade.

1. Spare parts / cartridge / seal availability

• Because TX442SIZ is discontinued, obtaining replacement cartridges, seals, or diverter parts might be harder. You might need to substitute a compatible cartridge from another TX442 variant or from TOTO’s parts catalog.
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